Journal
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
Volume 742, Issue -, Pages 409-413Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2018.11.047
Keywords
304L stainless steel; Heterogeneous lamella structure; Dislocation; Strain-induced martensitic transformation; Stacking fault
Categories
Funding
- National Key R&D Program of China [2017YFA0204403]
- National Natural Science Foundation of China [51741106]
- Postgraduate Research & Practice Innovation Program of Jiangsu Province [KYCX18_0414]
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Deformation behavior of 304L stainless steel with heterogeneous lamella structure mainly contains three stages: yield drop stage (similar to 0.2-2%), involving accumulation of stacking faults/geometrically necessary dislocations and initiation of strain-induced martensitic transformation (SIMT); high-speed work-hardening stage (similar to 2-15%), related to dislocation slipping and SIMT; steady work-hardening stage (similar to 15-32%), dominated by SIMT.
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