Effect of Laser Surface Texturing on Schmid Factor and Plastic Deformation Mechanisms on AISI 301LN Steel

被引：8
|
作者：
Rezayat, Mohammad [1 ,2 ]
Roa, Joan Josep [1 ,2 ]
Mateo, Antonio [1 ,2 ]
机构：
[1] Univ Politecn Catalunya BarcelonaTECH, Ctr Struct Integr Micromech & Reliabil Mat CIEFMA, Dept Mat Sci & Engn, Barcelona 08019, Spain
[2] Univ Politecn Catalunya BarcelonaTECH, Barcelona Res Ctr Multiscale Sci & Engn, Barcelona 08019, Spain
来源：
METALS | 2023年 / 13卷 / 10期
关键词：
Schmid factor; laser surface texturing; metastable stainless steel; TRIP; deformation mechanisms; AUSTENITIC STAINLESS-STEEL; INDUCED MARTENSITE; TRANSFORMATION; DUCTILITY; STRENGTH; MICROSTRUCTURE; EBSD;
D O I：
10.3390/met13101789
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this comprehensive study, the multifaceted impact of laser surface texturing (LST) on AISI 301LN stainless steel is explored. Changes in the microstructure, mechanical properties, and grain characteristics are examined. The dynamic relationship between Schmid factor evolution and plastic deformation in this stainless steel alloy is unveiled through the analysis of grain statistics and individual grain scrutiny. It is revealed that LST initiates the formation of strain-induced alpha'-martensite, grain refinement, and substantial hardness enhancements. Notably, an alpha'-martensite crystalline size of 2.05 angstrom is induced by LST. Furthermore, a 12% increase in tensile strength is observed after LST along with an 11% boost in yield strength. However, reductions of 19% in elongation to fracture and 12% in the area reduction are experienced.
引用
收藏
页数：13
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