International Conference on Thermo Mechanical Processing - TMP 2026

Contribution List

10. A Hybrid AI Approach for Rolling Force Prediction in Plate Mills: Integrating Machine Learning Technique with Metallurgical Simulation Variables

Mr Jackson Carvalho (CBMM)

Intelligent Manufacturing

Oral Presentation

Accurate rolling force prediction in flat hot rolling is essential for precise gap control, shape stability, and equipment protection, operating within mill power and force limitations. In practical hot rolling operations, the prediction of rolling forces is challenged by the combined effects of evolving deformation geometry and different metallurgical phenomena such as recrystallization,...

7. A novel strategy to achieve uniform fine grains in carburised gear by tailoring the deformation gradient through the forging process

wanli sun (University of Science and Technology Beijing)

Technology and Product Development in TMP

Oral Presentation

Carburised gears have been widely used in various mechanical transmission engineering fields. However, the carburising process is prone to mixed grain defects constraints on the carburising temperature further increase. Uneven distribution of grain will seriously damage the hardness, impact toughness and fatigue strength of gears and other key mechanical properties. The development of new...

55. A Thermo-Mechanical Controlled Processing Method for Producing High-Toughness Steel Jumbo Beams

Dr Mohamed Shahtout (EmSteel Group)

Technology and Product Development in TMP

Oral Presentation

Abstract
The production of high-toughness jumbo structural sections remains a significant challenge in heavy section mills due to low reduction ratios, heterogeneous microstructure, and inconsistent mechanical properties across thick flange regions. These challenges are particularly critical for offshore grades (JR, J0, J2), which require strict toughness compliance according to...

36. An ICME Framework for Integrated Alloy Design and Thermomechanical Processing of Nano-Bainitic Steels

Karthik Ramalingam (IEHK - RWTH Aachen University)

Technology and Product Development in TMP

Oral Presentation

The development of nanobainitic steels requires the simultaneous optimization of alloy composition and thermomechanical processing routes to achieve targeted microstructures and mechanical properties. This inherently demands a coupled understanding of material behavior across both macroscopic and microscopic scales. In this work, an Integrated Computational Materials Engineering (ICME)...

1. Artificial Intelligence Empowered Processing of Metallic Materials: Challenges and Perspectives

Prof. Wei Xu (Northeastern University)

Intelligent Manufacturing

Oral Presentation

Artificial intelligence is increasingly reshaping metallic materials design by accelerating exploration beyond conventional trial-and-error approaches. However, purely data-driven models often suffer from limited interpretability, excessive data requirements, and poor generalization across different alloy systems/processing routes. This study presents a physically guided AI framework for...

26. Assessing the Role of Retained Austenite Heterogeneity in the Mechanical Properties of Medium-Mn Steels

Mr Roohallah Surki Aliabad (University of Oulu), Mr Mahsa Barati Mahyari (University of Oulu), Prof. Vahid Javaheri (University of Oulu)

Metallurgical Fundamentals of TMP

Oral Presentation

Medium-Mn steels are promising candidates for next-generation advanced high-strength steels owing to their exceptional strength–ductility balance. The heterogeneity in retained austenite (RA), particularly in terms of chemical composition and morphology, has sometimes been reported to be beneficial. In this study, this view is critically examined to elucidate the effect of austenite...

20. Austenite Conditioning of Hot Rolled Microalloyed Low-Carbon Steels

Matthias Militzer (The University of British Columbia)

Metallurgical Fundamentals of TMP

Oral Presentation

Thermomechanical controlled processing (TMCP) is critical for the production of state-of-the-art hot-rolled microalloyed low-carbon steels. The precise control of recrystallization and austenite grain size distribution under industrial TMCP is essential to optimize rolling schedules and product consistency.
The present study includes the characterization of austenite formation and grain...

46. Constitutive flow behaviour and processing maps of 1CrMoV bainitic steel used in turbine applications

Rishabh Bharadwaj (University of Oulu)

Metallurgical Fundamentals of TMP

Oral Presentation

This study aims to understand the hot deformation behaviour of 1CrMoV bainitic steel, produced industrially using hot forging route and is extensively used in turbine applications in power plants. Hot isothermal compression tests were carried out in the temperature and strain rate ranges of 800 - 1150 °C and 0.001 – 30/s, respectively, typical of hot working range using a Gleeble 3800...

17. Control and through process prediction of plate thermomechanical properties at JSW’s Anjar plate mill

Dr Ian Robinson (Primetals Technologies)

Technology and Product Development in TMP

Oral Presentation

In-line control of plate microstructure to achieve near-net mechanical properties requires a combination of the correct time temperature strain path during rolling and accelerated cooling strategy to control the grain size and final material phases. This paper firstly reviews the process routes available to produce thermo-mechanically control rolled steel products using the combination of...

18. Data-Driven Determination of Metallurgical Descriptor Spaces from Steel Composition for Thermomechanical Processing

Dr Adnan Husakovic (Primetals Technologies Austria GmbH), Sergey Bragin (Primetals Technologies Austria GmbH)

Metallurgical Fundamentals of TMP

Oral Presentation

Thermomechanical processing (TMP) of steels is strongly influenced by chemical composition through its effect on softening, precipitation response and deformation resistance. Modern metallurgical models therefore aim to describe material behavior directly as a function of composition and process conditions, moving away from predefined steel classes.
In this work, a comprehensive dataset of...

48. Dynamic recrystallization and precipitate evolution in high strength Al7068 alloy during high temperature deformation: A TEM study

Dr Nitish Raja (Indian Institute of Technology Patna)

Metallurgical Fundamentals of TMP

Oral Presentation

Thermomechanical processing, particularly hot compression, is widely used to tailor the microstructural and mechanical properties of aluminium alloys. Hot compression behaviour is commonly interpreted through true stress–true strain curves and microstructural evolution, especially grain refinement and orientation relationships. The nature of the true stress–true strain response is strongly...

9. Effect of Annealing Temperature on Microstructure and Mechanical Properties of High-Mn, High-Al Lightweight Austenitic Steel

Mrs Mahsa Barati Mahyari (Materials and Mechanical Engineering, Centre for Advanced Steels Research, University of Oulu, P.O. Box 3000, FIN-90014 Oulu, Finland), Mr Vahid Javaheri (Materials and Mechanical Engineering, Centre for Advanced Steels Research, University of Oulu, P.O. Box 3000, FIN-90014 Oulu, Finland)

Metallurgical Fundamentals of TMP

Oral Presentation

In this study, the room temperature tensile and microstructure evolution of a novel cold-rolled lightweight austenitic steel (Fe–19Mn–6Al-4Ni–1C) subjected to different annealing schedules were investigated by transmission and scanning electron microscopy equipped with electron back-scattered diffraction (EBSD) and room temperature tensile test. All experimental samples were furnace annealed...

24. Effect of edge masking on strip deformation in rapid cooling section during endless production

Michal Pohanka (Brno University of Technology)

Technology and Product Development in TMP

Oral Presentation

This work examines how edge masking and non‑uniform initial temperature profiles influence steel strip deformation during rapid cooling in endless production. The aim is to support industrial optimization of cooling sections by providing reliable data and validated numerical models. Material properties required for thermo‑mechanical simulations were measured experimentally over a wide...

21. Effect of Niobium Microalloying on Recrystallization Kinetics, Precipitation, and Mechanical properties in Low-Carbon, Low-Alloyed Steels

Ms Katariina Lehtola (University of Oulu)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

This study investigates the effect of niobium microalloying on the recrystallization kinetics, precipitation, and mechanical properties of low carbon steels. The experimental materials consisted of three laboratory cast and laboratory rolled steel grades, where the niobium content was the only variable. Used cooling method in these steels was coiling. The experimental work included a wide...

34. Effect of Roller Misalignment on Thermo-Mechanical Stress in the Secondary Cooling Zone of a Twin-Slab Caster

Prof. Chenn Zhou (Purdue University Northwest)

Metallurgical Fundamentals of TMP

Oral Presentation

This study investigates the stress and strain evolution in slabs in a twin-slab caster, with focus on the effect of roller misalignment. A finite element model (FEM) was used to simulate a small section of the slab as it passes through the secondary cooling zone. The model accounts for thermal gradients and mechanical interactions with supporting rollers. The results show that roller...

13. Effects of Temperature and Deformation on Austenite Grain Size and Phase Transformations in Advanced High Strength Steels

OLGA GIRINA (ArcelorMittal)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

Thermomechanical processing (TMP) implies rigorous design, careful control, and optimization of microstructure through combinations of deformations and phase transformations to obtain desired final microstructure and end properties of products. Deformation operations that may include hot, warm, and cold forming can be in general combined with multiphase and single phase (e.g.,...

29. Hidden Sustainbility Potential of Medium Manganese Alloys through Tailored Processing

Vahid Javaheri (University of Oulu)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

Medium manganese steels are capturing global attention as intellectual and potential industrial frontiers converge to unlock their exceptional mechanical versatility. In this study, we focus on a single composition (Fe–0.4C–6Mn–2Al–1Si–0.05Nb) to explore the full spectrum of its performance potential through diverse thermo-mechanical processing routes. By tuning phase stability, dislocation...

53. High Performance, Low Emissions: The Role of Thermomechanical Treatment in Tomorrow’s Steel Industry

Dr Bernd Linzer (Primetals Technologies Austria GmbH (Technology Officer))

Technology and Product Development in TMP

Plenary Talk

A comprehensive assessment of thermomechanical processing (TMCP) shows advantages for next‑generationcarbon footrprint reduced steel products. Rather than relying primarily on alloying or downstream heat treatments, TMCP integrates controlled deformation, precise temperature management and cooling during hot rolling to engineer microstructure, properties,and sustainability performance...

32. Hydrogen embrittlement and diffusion modelling in QP1180 AHSS for automotive applications

Giuseppe Macoretta (University of Pisa, Department of Civil and Industrial Engineering)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

Multiphase steels combine the strengths of different microstructural components, offering both mechanical strength and ductility for lighter designs and lower vehicle emissions. Quenching and Partitioning (QP) steels are a 3rd generation Advanced High-Strength Steel (AHSS) used in vehicles, featuring low-carbon martensite and retained austenite for an excellent strength-ductility balance. It...

23. Hydrogen embrittlement resistant carbon/stainless multilayer steel produced by thermomechanical processing

Henri Tervo (University of Oulu)

Metallurgical Fundamentals of TMP

Oral Presentation

The demand for hydrogen resistant materials is increasing due to planned usage of hydrogen as energy according to European Union’s AFIR – Alternative Fuels Infrastructure Regulation. The infrastructure needed for storing and transporting hydrogen requires vast amounts of materials withstanding embrittlement and other failures caused by hydrogen. Austenitic stainless steels with their...

61. Impact of preheating and hot rolling on AA6016 sheet texture and formability

Dr Josef Berneder (AMAG rolling GmbH)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Plenary Talk

EN-AW-6016 sheet material is highly demanded for automotive applications due to its balanced properties of formability, strength, and corrosion resistance. Formability is characterized by the anisotropy of the sheet (r-value) and the ability to allow flat hems without surface cracks. The thermal history of the hot band, including ingot preheating and hot rolling, is crucial for the final...

30. In Situ Monitoring of Texture Evolution During Thermal Treatment

Edgar Scherleitner (Research Center for Non Destructive Testing GmbH - RECENDT)

Metallurgical Fundamentals of TMP

Oral Presentation

Laser ultrasound is a non-contact method that enables continuous monitoring of elastic properties in steel samples during thermal processing. Compared with conventional metallographic techniques, it offers substantially higher sample throughput and therefore faster evaluation of relevant process parameters. In this work, we present an approach for in situ estimation of the recrystallization...

25. In-situ HEXRD study of negative thermal expansion and martensitic transformation in water quenched and cold rolled TiNbTa alloys

Mahbod Golrang (KU Leuven)

Metallurgical Fundamentals of TMP

Oral Presentation

α″-martensitic Ti alloys display customizable thermal expansion, making them attractive for applications in precision optics, metrology, and semiconductor lithography, where dimensional stability under varying temperature is critical. The bulk thermal expansion of polycrystalline components is governed by the magnitude and anisotropy of the lattice thermal expansion, volume fraction and...

43. In-situ Investigation of Austenite Decomposition During Prolonged Isothermal Holding of TRIP Steels

Philipp Retzl (TU Wien)

Technology and Product Development in TMP

Oral Presentation

Retained austenite provides TRIP (Transformation-Induced Plasticity) steels with their exceptional combination of strength and formability. To retain a sufficient volume fraction of austenite, alloying with silicon (Si) or aluminum (Al) is used to suppress carbide formation during the bainite transformation. This suppression allows the austenite to enrich with carbon, stabilizing it at room...

5. Influence of Cooling Rate and Reaustenitization Strategy on the Mechanical Properties of Ni–Mo Alloyed Quenched and Tempered Thick Plates

Dr Pello Uranga (CEIT-BRTA and University of Navarra-Tecnun)

Metallurgical Fundamentals of TMP

Oral Presentation

The combination of nickel and molybdenum additions is widely used to enhance hardenability and low‑temperature toughness in quenched and tempered thick plates. However, the interaction between alloying content, cooling rate during quenching, and reaustenitization strategy remains critical for achieving uniform martensitic microstructures through the plate thickness. In this work, two...

22. Influence of tramp elements on phase transformations, structure, and properties of scrap-based steels.

Oleksandr Glushko (Montanuniversität Leoben)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

This contribution combines recent experimental results with literature data to summarize the current understanding of how tramp elements, introduced through the increased use of scrap in steelmaking, affect processability, microstructure, and the resulting mechanical properties of steels. Tramp elements such as Cr, Ni, Sn, Sb, Cu can give rise to a wide range of potential effects, including...

42. Influence of tramp elements on static recrystallization after hot deformation of a Nb-micro-alloyed steel

Paul Gawes (University of Applied Sciences Upper Austria)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

The use of an electric arc furnace (EAF) can significantly lower CO2 emissions during the steelmaking process compared to the conventional blast furnace route. Depending on the quality of the scrap metal, elements such as chromium, molybdenum, and tin can end up in the steel production process.
These tramp elements are difficult or impossible to remove through metallurgical processing....

45. Influence of tramp elements on thermomechanical processing and properties of martensitic steel grades

Dr Hans Magnusson (Swerim AB)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

Scrap-based steel production is continuously increasing, replacing part of the ore-based steelmaking that is currently the dominant production method for low-alloyed steel grades. Driven by the green transition, scrap-based production using the electric arc furnace (EAF) can significantly reduce CO₂ emissions compared to carbon-based reduction of metal ore. Most emissions in the EAF route...

41. Inline laser ultrasonics for microstructure verification of heat treatments and thermal processes (ILUMHEAT)

Hampus Wikmark Kreuger (Swerim AB)

Technology and Product Development in TMP

Oral Presentation

Using laser ultrasonic (LUS) measurements, the microstructure of metal can be determined directly in situ. The measurement is non-contact and nondestructive, meaning it can be used for hot and moving samples, meaning microstructure can be determined in many parts of the steelmaking process where other techniques are not viable. The feasibility of inline LUS grain size measurements [1] as well...

28. Mechanical and microstructural properties of low carbon bainitic steels subjected to different controlled cooling strategies

Tommi Hintsala (University of Oulu)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

The transition from conventional steelmaking to fossil-free production promotes more continuous processing and reduces flexibility in chemical compositions, increasing the need to produce multiple strength grades from a single alloy. This study examines the feasibility of achieving several steel strength grades from one chemical composition by varying the cooling method. Two laboratory-melted...

27. Mechanical Property Comparison of Bainite-Based and Conventional Quenching and Partitioning (BQ&P vs Q&P) in a Medium-Carbon Steel

Zeynab Aalipour Hafshejani (Materials and Mechanical Engineering, Centre for Advanced Steels Research, University of Oulu, Finland)

Metallurgical Fundamentals of TMP

Oral Presentation

Advanced high-strength steels are widely used in the automotive industry because of their excellent mechanical properties, which arise from their multiphase microstructure and the transformation-induced plasticity (TRIP) effect. Among advanced heat-treatment routes, quenching and partitioning (Q&P) has been extensively developed to produce retained austenite (RA)-containing microstructures...

31. Metallurgical engineering of a new molybdenum prehardened steel for plastic injection moulding and mechanical applications

Jules Audard (ArcelorMittal Industeel)

Metallurgical Fundamentals of TMP

Oral Presentation

There is a growing demand for tool steels in plastic moulding and mechanical engineering that combine high performance, durability, and cost efficiency while reducing energy use and CO₂ emissions. Currently available prehardened steels are limited to 30–40 HRC. For higher hardness, grades such as 1.2343/1.2344 (H11/H13), originally designed for hot-working processes like forging, die casting,...

2. Microstructure and mechanical properties evolution during thermomechanical processing of INCOLOY 925 alloy

Prof. Vasile Danut Cojocaru (National University of Science and Technology POLITEHNICA Bucharest)

Technology and Product Development in TMP

Oral Presentation

INCOLOY 925 is a high-performance nickel-based alloy widely used in industrial applications where both high strength and excellent corrosion resistance at elevated temperatures are mandatory. This study investigates the hot deformation by forging and, heat treatment by solution annealing and ageing behaviour of INCOLOY 925 alloy. The hot deformation by forging was performed in two stages,...

40. Microstructure Modeling for Thermomechanical Processing of age hardenable aluminum alloys

Talina Terrazas Monje (TU Graz)

Metallurgical Fundamentals of TMP

Oral Presentation

Designing thermomechanical processing routes requires accurate control of microstructure evolution across sequential deformation and heat-treatment steps. In this work, we present a physics-based model that continuously predicts the microstructural evolution of AA6082 throughout complex thermomechanical histories. A key feature of the model is its ability to carry forward the microstructure...

35. Microstructures and mechanical properties of borides reinforced lightweight steels

Dr Yinghua Jiang (Research Institute of Technology, Shougang Group Co., Ltd)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

This study investigates a lightweight steel with enhanced elastic modulus via borides reinforced particles. The microstructure consists of an austenitic matrix containing δ-ferrite and 13% TiB₂ particles. The steel exhibits a yield strength of 430 MPa, tensile strength of 630 MPa, elongation of 13.5%, elastic modulus of 225 GPa, and density of 6.98 g cm⁻³. The heterogeneous as-hot-rolled...

19. Mixed Microalloy Precipitate Evolution in Austenite

Emmanuel De Moor (Colorado School of Mines)

Metallurgical Fundamentals of TMP

Oral Presentation

There is a continuing demand to develop steel with improved mechanical properties and to lower production cost. Microalloyed or high-strength low-alloy (HSLA) steels are widely used in a variety of applications due to a favorable combination of cost and mechanical properties. The proper design of steel alloys for a multitude of applications in which grain size refinement is necessary to...

52. Multiscale characterization methodology combining experimental and AI-based methods for the study of austenite conditioning in Nb-HSLA steels.

Dr Jenifer Barrirero (Materials Engineering Center Saarland -MECS)

Metallurgical Fundamentals of TMP

Oral Presentation

Thermomechanical processing (TMP) of high-strength low-alloy (HSLA) steels relies on the careful control of the interaction between recrystallization and strain-induced precipitation during austenite conditioning. A comprehensive understanding of this interaction requires the simultaneous quantification of prior austenite grain size evolution and niobium carbonitride precipitation across a...

4. Nickel’s metallurgical functionalities in TMP processing of structural plate steels

Andreas Kern (thyssenkrupp Steel Europe)

Technology and Product Development in TMP

Oral Presentation

Nickel is an important alloying element in carbon steels, as it significantly enhances hardenability and toughness, particularly at low temperatures. It plays a key role in steel grades for demanding applications such as energy, mining, and defense. While most carbon steels contain less than 1 wt% Ni, cryogenic steels may include up to 9 wt%. In plate production—via normalizing, controlled...

44. Niobium effects on thermo-mechanical processes: It takes two to tango

Dr RAFAEL MESQUITA (CBMM (Director of Technology, CTO)), FABIO D AIUTO (CBMM (General Manager EMEA))

Technology and Product Development in TMP

Plenary Talk

Thermomechanical processing (TMP) in its various forms is the key process for producing modern high-performance steels. TMP typically provides microstructures featuring small grain size, enhanced dislocation density, precipitate particles and secondary hard phases. However, mechanisms such as recovery, recrystallization, grain growth as well as particle coarsening can cause microstructural...

33. Niobium precipitation strengthening potential and correlated physical-metallurgical phenomena

Hardy Mohrbacher (NiobelCon bvba)

Oral Presentation

Niobium being a strong carbide former has the propensity of significantly contributing to strength increase by dispersing copious ultra-fine particles in the iron matrix. According to the well-known Ashby-Orowan theory, a homogeneous particle dispersion with closest inter-particle spacing results in the highest strength contribution. From that point of view, it is important to understand how...

37. Optimized pass schedule design to influence the mechanical properties of hot rolled strips

Dr Thomas Haschke (SMS group GmbH)

Technology and Product Development in TMP

Oral Presentation

Austenite grain size is an important parameter for controlling the mechanical properties of microalloyed steels during hot strip rolling. With the installation of a laser-ultrasonic (LUS) measurement gauge at SSAB’s hot strip mill in Borlänge, a sensitive, non-contact inline method is available that allows the grain structure to be measured immediately after the final finishing stand.
This...

14. Prediction of Mechanical Properties in Automotive Hot-Rolled Steel Coils based on Position-Specific Cooling History and Process Data Mapping

Dr JAEHYUN CHOI (POSCO)

Intelligent Manufacturing

Oral Presentation

In the modern steel industry, using large process datasets to improve quality control and production efficiency is an essential engineering task. This study focuses on predicting the main mechanical properties—yield strength (YS), ultimate tensile strength (UTS), and elongation—of hot-rolled steel coils for automotive parts. For these components, consistent material quality is critical for...

12. Producing High Strength H-Beams with Thermo-Mechanical Control Process (TMCP): the Danieli QST – Quenching & Self-Tempering process

Mr Andrea Palma (Danieli & C)

Metallurgical Fundamentals of TMP

Oral Presentation

Heavy beams producers selected Danieli technology to apply Thermo-Mechanical Control Process (TMCP) at their rolling mills.

Thanks to this process, the product portfolio can be expanded with high strength beams in fine-grained structural grades according to the European (EN 10025-4) and American (A913/A913M) standards.

High-strength beams offer substantial savings in construction in...

49. Recrystallization and Texture Evolution of a Hot Rolled Nb Bearing Ferritic Stainless Steel

Mr Caio de Paula Camargo Pisano (CBMM | Niobium)

Technology and Product Development in TMP

Oral Presentation

The control of recrystallization in ferritic stainless steels is critical for tailoring grain size and optimizing toughness, specially for high thickness grades. While the role of niobium (Nb) in delaying recrystallization is well established in austenitic systems, primarily for carbon steels which are usually hot rolled in austenite, its effect in ferritic stainless steels, which can be...

11. Soft Quenching / Martensitic Free processing as a metallurgical route to high performance spooled rebar

Mr Maicol Cimolino (Danieli & C)

Metallurgical Fundamentals of TMP

Oral Presentation

The Soft Quenching process applied to the Danieli Spooler incorporates a patented controlled cooling technology specifically developed to enhance the production of compact rebar coils.
In conventional spooler-based quenching systems, cooling is performed in a single high intensity stage immediately after the finishing rolling pass. This approach suppresses diffusive austenite transformation,...

38. Solubility of Microalloying Carbides in Steels: A Critical Review and Novel Aspects

Mr Caio de Paula Camargo Pisano (CBMM | Niobium)

Metallurgical Fundamentals of TMP

Oral Presentation

It is the nature of microalloying elements, primarily Ti, Nb, and V, to form stable carbide and nitride compounds with interstitial carbon and nitrogen present in the steel matrix. The resulting fine-sized compound particles have the potency to retard or prevent phenomena such as recovery, recrystallization and grain growth. The controlled microalloy precipitation during thermomechanical...

8. Strategies to Increase Productivity in Hot Rolling of Heavy-gauge Steel Plates Through Integrated Niobium Microalloying and Temperature–Microstructure Modeling

Jonatas Venancio Barbos (CBMM)

Intelligent Manufacturing

Oral Presentation

The global demand for heavy-gauge steel plates for infrastructure, wind-tower and line-pipe applications has increased in recent years, and this change in the consumption behavior intensified productivity challenges in rolling mills, particularly when conventional manufacturing strategies are not adapted to the evolving requirements and dimensions. Productivity in hot rolling is usually driven...

15. Tailoring thermal expansion of Titanium alloys by thermomechanical processing

Matthias Bönisch (KU Leuven)

Technology and Product Development in TMP

Oral Presentation

Operation conditions in microelectronics, sustainable mobility, and space exploration increasingly demand mastering thermal expansion due to large temperature swings and stringent dimensional tolerances. However, customizing thermal expansion of conventional metallic materials is extremely difficult. Their expansion behaviour is largely unaffected by alloying, and their lattice expansion...

16. The Effect of the Rolling Strategy on the Low-Temperature Toughness and Microstructure of Heavy Plate Material

Dr Charles Stallybrass (Salzgitter Mannesmann Forschung GmbH)

Technology and Product Development in TMP

Oral Presentation

Within the present investigation, instrumented drop-weight tear tests were carried out on industrially produced heavy plate material that was thermomechanically rolled using two different strategies. In one case, the material was air-cooled from the final rolling temperature and in the other case it underwent accelerated cooling from above the austenite to ferrite transformation. Both rolling...

54. The production of sustainable, high-quality thin sheet grades via the EAF route as a new challenge for the steel industry

Dr Andreas Pichler (voestalpine Stahl GmbH (Head of R&D in the business unit Coil))

Technology and Product Development in TMP

Plenary Talk

The transition to sustainable steel production presents a significant challenge for the steel industry in the coming decades. The initial stage involves partially replacing the traditional blast furnace and basic oxygen furnace with electrical arc furnace technology. The type and quantity of raw materials (scrap, direct reduced iron, and hot metal) not only determine the CO2 footprint but also...

50. Thermomechanical processing and continuous annealing of Al-added lightweight steels

Mr Tamiru Kori (Silesian University of Technology, Faculty of Mechanical Engineering, Department of Engineering Materials and Biomaterials)

Metallurgical Fundamentals of TMP

Oral Presentation

In this study, the experimental procedure involved hot rolling (1100°C–850°C) of six novel lightweight steels from different groups: ferritic, ferrite-based and austenite-based, followed by a heat treatment schedule to achieve the desired mechanical properties and compatibility for an industrial continuous annealing line. The heat treatment consisted of soaking at various temperatures between...

51. Thermomechanical processing of Cu- and Mo-containing multiphase steels subjected to Quenching and Partitioning treatment

Mr Firew Kassaye (Silesian University of Technology, Faculty of Mechanical Engineering, Department of Engineering Materials and Biomaterials)

Relevance of TMP and Microalloying to Sustainable Production of Steel and Nonferrous Alloys

Oral Presentation

Multiphase steels, such as medium-Mn and QP steels, are of key interest for automotive industrial applications. The primary characteristic of these steels is strain-induced martensitic transformation (SIMT) of retained austenite (RA) during deformation, enabling substantial energy absorption. This study investigates the effect of thermomechanical processing on the multiphase steels that...

3. Titel: Advanced Thermomechanical Processing for High-Strength Pipe Steels

Prof. Andreas Kern (thyssenkrupp Steel Europe)

Technology and Product Development in TMP

Oral Presentation

A very fine ferritic structure is important for achieving the required mechanical properties for high-strength pipe steels during hot strip rolling. Pipe steels are usually produced by thermomechanical rolling with low rolling temperatures during finishing. This rolling practice is demanding on capacity and equipment.
To overcome this problem, an advanced rolling strategy for high-strength...

39. Use of mesoscale models in designing thermomechanical processes for light alloys

Maria Cecilia Poletti (IMAT Graz University of Technology)

Metallurgical Fundamentals of TMP

Oral Presentation

Industrial thermomechanical treatments of metallic components consist of several steps of plastic deformation, either followed or alternated with heat treatments. The workpiece, regardless of its initial shape and microstructure, undergoes heterogeneous plastic deformation and temperature distribution during thermal and forming processes. These conditions drive microstructural changes such as...

47. Using a high-speed camera to understand edge cracking during thermomechanical processing of lightweight Fe-Mn-Al-C steels

Dr Aniruddha Dutta (ArcelorMittal Global R&D Gent)

Metallurgical Fundamentals of TMP

Oral Presentation

Previously, some of the problems of cracking as well as edge cracking during two phase thermomechanical hot rolling (e.g. duplex stainless, high Mn steels) have been attributed to the effect of hot ductility, difference of flow behaviour between the different phases. There is limited work and knowledge regarding the exact cracking mechanism as a function of rolling pass number, temperature,...

6. Validation and optimization of a recrystallization model to enhance the accuracy of microstructure evolution predictions in heavy‑plate rolling

Maita Roberts-Zimmer (AG der Dillinger Hüttenwerke)

Metallurgical Fundamentals of TMP

Oral Presentation

The microstructure of austenite developed during plate rolling is significant for the final microstructure and therefore for the mechanical properties of heavy plates. Accurate prediction of the grain size, including its homogeneity and distribution, at each pass is essential for optimizing the rolling schedule. Especially in the production of heavy plates rolled from very thick slabs or...