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Meeting 2022 TMS Annual Meeting & Exhibition
Symposium High Performance Steels
Presentation Title Non-metallic Precipitates Evolution Mechanism of Fe-3.0wt%Si Steel
Author(s) Huilan Sun, Zimo Bi, Di Zhang, Zhihong Guo, Bo Wang
On-Site Speaker (Planned) Huilan Sun
Abstract Scope The non-metallic precipitation formation and transformation mechanism of non-oriented electrical steel have been studied when the heating treatment temperature ranges from 1000C-1240C. The types, morphologies, and sizes of precipitates were analyzed by the methods of FESEM and EDS. The results show that the main precipitate of non-oriented electrical steel is AlN, as well as some sulfides and composite precipitates. It shows a density gradient of precipitates along the thickness direction. The precipitates mainly distribute in the crystal grains, which have spherical, rod-like, and irregular shapes. When the heating temperature lower than 1120C, the precipitates aggregate and coarsen. As the temperature increases to 1200C, the number of precipitates gradually increases.
Proceedings Inclusion? Planned:
Keywords Iron and Steel, Magnetic Materials, Characterization

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Novel Approach to Improve Strength-ductility Combinations in Medium Manganese Steels
A Study on Magnetization Characteristics According to the Direction of 9%Ni Steel Sheet
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
Custom Designed Tapered-rolling Process Enables Hard Steels with Mixed-mode Cracking Resistance
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
Non-metallic Precipitates Evolution Mechanism of Fe-3.0wt%Si Steel
NOW ON-DEMAND ONLY – Co-optimization of Mechanical, Thermal, and Oxidation Properties in Steels for Energy Conversion Systems
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
Strain Path Dependence of Microstructural Strain Path Development: An Experimental-numerical Study on Dual-phase Steels
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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