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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium High Performance Steels
Presentation Title Hydrogen Embrittlement Susceptibility of a High Manganese Twinning Induced Plasticity Steel Examined via Correlative Microscopy
Author(s) Heena Khanchandani, Leigh Stephenson, Dierk Raabe, Stefan Zaefferer, Baptiste Gault
On-Site Speaker (Planned) Heena Khanchandani
Abstract Scope Twinning induced plasticity (TWIP) steels are promising structural materials, belonging to a class of high manganese steels having austenite phase with face centred cubic crystal structure. Several studies have been carried out to understand the hydrogen embrittlement mechanism in TWIP steels [An et al., Int J Plast 2019]. Yet, the actual prevalent mechanism is not fully understood. We present our studies based on the hydrogen embrittlement susceptibility of a model TWIP steel Fe 28Mn 0.3C (Wt. %) alloy which was cold rolled and subsequently recrystallized. The studied TWIP steel sample was cathodically charged with hydrogen for 5 days and subjected to the tensile tests. The microstructural evolution was examined with and without hydrogen precharging at different stages of tensile deformation, using electron backscatter diffraction (EBSD) and electron channelling contrast imaging (ECCI) techniques. It was observed that the dislocation arrangement changes after hydrogen charging at different stages of the tensile deformation.
Proceedings Inclusion? Planned:
Keywords Iron and Steel, Characterization, Other

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Novel Approach to Improve Strength-ductility Combinations in Medium Manganese Steels
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Characterization of a Complex-phase Steel by Electron Backscattering Diffraction and Atomic Force Microscopy
Computational Design of a High Strength High Toughness Fully-austenitic TRIP Steel
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Deformable Plastic Strain-induced Epsilon-martensite in FeMnCo Alloys: A Pathway Towards Overcoming the Limits of Metastability
Design and Challenge of Cold-rolled Dual-phase Steel Strengthened by Interphase Precipitation
Design and Characterization of Abrasion-resistant Steel Coatings for Nuclear Industry
Early Stages of Liquid-metal Embrittlement in an Advanced High-strength Steel
Effects of Austenite Stability on Sheet Forming of Advanced High Strength Steels
First Principles Calculations of Structural Point-defect Calculations in Austenitic Stainless Steels
Hydrogen Embrittlement Susceptibility of a High Manganese Twinning Induced Plasticity Steel Examined via Correlative Microscopy
ICME Design of β-NiAl + Cu + VC Triple Nano-precipitate Strengthened Austenitic Steel
Impact of Alloy Composition on the Hot Ductility of Steel during Continuous Casting
In-situ Investigation of Strain Partitioning and Localization in a Dual Phase Steel Up to and Beyond Necking
Large Strain Ambient Temperature Rolling Reduction of an Ultra-high Strength Steel
Loading/Unloading Yielding Behavior in 304 Stainless Steel
Low-density Steels: Influence of Al Content and Processing on Microstructure and Properties in Medium-Mn Steels
Manganese-diffusion Controlled Kinetics of Austenite Growth and Cementite Dissolution during Intercritical Annealing of Medium-Mn Steels
Microstructural Engineering in Dual Phase Steels -Partitioning Aspects and Correlation to Formability
Microstructure and Mechanism Based Lifetime Predictions in Various Weldment Failures Under Complex Thermomechanical Conditions
Modeling Liquid Metal Embrittlement Cracks in Cross-tension Spot Weld Testing for Advanced High Strength Steels
Multi-stage Welding Cycles for Resistance Spot Welding of Advanced Martensitic Steels
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NOW ON-DEMAND ONLY – The Influence of Temperature on the Strain-hardening Behavior of Fe-22/25/28Mn-3Al-3Si TRIP/TWIP Steels
On the Phase Stability, Mechanical Properties, and Deformation Mechanisms of an Equiatomic CrFeNi Medium-entropy Alloy
Phase Field Simulations of Microstructure Evolution during Rapid Thermal Processing of High Strength Steels
Properties and Performance of Fe-Mn-Al-C Alloys as a Function of Composition
Reverted Austenite in Precipitation Hardened Stainless Steels: Design Considerations and Mechanical Effects
Simultaneous Enhancement of Hardness and Corrosion Resistance in Carbide-reinforced Martensitic Steels
Small-scale Rapid Alloy Prototyping of Extra-low Carbon Steel to Investigate the Effects of Cu and Cr Residuals
Stacking Fault Energy Dependent Deformation Mechanisms in Medium-Mn Steels
Strain Partitioning Analysis during Tensile Tests in Intercritically Deformed Steels
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Tailoring Transformation Plasticity to Resist Microvoid Shear Localization
Tempering & Austempering of Double Soaked Medium Manganese Steels
Tensile Behaviour and Martensitic Transformations in a Cold Rolled Medium Mn Steel
Understanding Composition Dependence of Deformation Microstructure in Hydrogen Resistant Austenitic Steels
Understanding Deformation-induced Cracking in Dual-phase Steel via the Combination of EBSD Analysis and Convolutional Neural Network
Understanding Microstructural Evolution in a Thick Gauge High Strength Niobium-microalloyed Line Pipe Steel
Using Computer Vision to Predict Mechanical Properties of High Temperature Alloys

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