Examining the influence of stacking fault width on deformation twinning in an austenitic stainless steel

作者: G. Meric de Bellefon , M.N. Gussev , A.D. Stoica , J.C. van Duysen , K. Sridharan

DOI: 10.1016/J.SCRIPTAMAT.2018.08.012

关键词:

摘要: Abstract Two austenitic stainless steels (SS) were designed to exhibit close the largest possible difference in stacking fault energy (SFE) while staying within specifications. Neutron diffraction and scanning electron microscopy backscatter analysis used quantify widths deformation twinning, respectively, during room temperature straining. While low-SFE SS exhibits much wider faults (19 nm) throughout as compared high-SFE (12 nm), twinning is less pronounced, with a slightly lower stress (50–100 MPa lower) strain (5–10%) for onset SS.

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