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Meeting MS&T21: Materials Science & Technology
Symposium Deformation-induced Phase Transformations
Presentation Title Ausforming of Ferrium M54 Ultra-high Strength Steel
Author(s) Suveen N. Mathaudhu, Yiwei Sun, Joshua Edwards, Jeffrey Lin, Thomas Kozmel
On-Site Speaker (Planned) Suveen N. Mathaudhu
Abstract Scope Ferrium M54 is a medium-carbon ultra-high strength steel with potential for achieving outstanding strength, toughness and stress corrosion cracking resistance. A processing route involving ausforming and tempering was implemented to reveal the interconnections between processing, microstructure and mechanical properties. Roll reduction and temperature were varied parametrically, and their effects of refinement of the lath martensite explored. In turn, the effect of the hierarchical microstructures on the hardness and tension properties, but pre- and post-aging is also investigated. An empirical model was developed for prediction of the optimal processing window for M54. The combination of ausforming and aging is shown to be an excellent pathway to refine martensite, accelerate the aging response and increase the strength in Ferrium M54 and likely other high-strength steels.


Accounting for Phase Transformation in Plastic Anisotropy Modeling of SS316L
Analysis of Stress State of Plastic Medium Influence on Structural Transformations in Low-alloy Steels
Ausforming of Ferrium M54 Ultra-high Strength Steel
Engineering Microstructures for Conventionally and Additively Manufactured Ni-based Superalloys
Influence of 3D Microstructure on Deformation-induced Martensitic Transformation Studied by In Situ High-energy Diffraction Microscopy and Crystal Plasticity Modeling
Intrinsic Coupling between Deformation Twinning and Phase Transformation in NiTi Shape Memory Alloys and Metastable Beta Ti-alloys
Localized Phase Transformation at Stacking Faults and the Corresponding Alloy Design Strategy
P1-18: Bimetallic Billets for Magnesium-thermal Production of High Quality Sponge Titanium
P1-19: High-cut Steel Property Researches For Taps’ Manufacture
Solid Phase Plasticity Mechanisms in Metals and Rocks during Shear Deformation
Wire Size Effect on the Nucleation of Fatigue Cracks Near Non-metallic Inclusions in Superelastic Nitinol

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