A Significant Improvement in the Mechanical Properties of AISI 304 Stainless Steel by a Combined RCSR and Annealing Process
Source abstract
Abstract
The effect of a new severe plastic deformation method, “repetitive corrugation and straightening by rolling (RCSR)” on AISI 304 stainless steel is investigated. A thermo‐mechanical treatment based on the reversion of α′‐martensite is applied to produce fine‐grained structure. Microstructural characterizations are conducted by X‐ray diffraction and electron backscattered diffraction. Mechanical properties are investigated by measuring uniaxial tensile properties. It was found that the amount of strain‐induced martensite increases monotonically with increasing of applied strain, yielding up to 90 vol% of martensite after 30 cycles of the RCSR process. By applying a subsequent annealing, austenite grain size is decreased considerably, which leads to substantial strengthening.
Source: crossref · Quality: baseline
Research context
OpenAlex topics: Microstructure and Mechanical Properties of Steels · Metallurgy and Material Forming · Microstructure and mechanical properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
School of Metallurgy and Material Engineering College of Engineering University of Tehran Tehran Iran
Center of Excellence (COE) for High Performance Materials, School of Metallurgy and Material Engineering University of Tehran Tehran Iran
Faculty of Materials Engineering Sahand University of Technology Tabriz Iran
Department of Ferrous Metallurgy RWTH Aachen University Aachen Germany
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