A High Resolution Digital Image Correlation Study under Multiaxial Loading

被引：23
作者：
Polatidis, E. [1 ]
Hsu, W. -N. [1 ,2 ]
Smid, M. [1 ]
Van Swygenhoven, H. [1 ,2 ]
机构：
[1] Paul Scherrer Inst, Swiss Light Source, Photons Engn & Mfg Grp, CH-5232 Villigen, Switzerland
[2] Ecole Polytech Fed Lausanne, IMX, Neutrons & Xrays Mech Mat, CH-1015 Lausanne, Switzerland
来源：
EXPERIMENTAL MECHANICS | 2019年 / 59卷 / 03期
基金：
欧洲研究理事会;
关键词：
Digital image correlation; Multiaxial; Slip; TRIP; Schmid; SCANNING-ELECTRON-MICROSCOPY; DEFORMATION-INDUCED TRANSFORMATION; STACKING-FAULT ENERGY; 304; STAINLESS-STEEL; STRAIN-RATE; QUANTITATIVE SMALL; MAGNIFICATIONS; DIFFRACTION; METALS; STATE;
D O I：
10.1007/s11340-018-00443-6
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, a miniaturized cruciform-shaped sample geometry which allows reaching high plastic strain under equibiaxial loading with reduced thickness at the test section is presented. The thinning method results in excellent surface quality that can be used for electron backscatter diffraction (EBSD) and high-resolution digital image correlation (HRDIC) investigations. The new cruciform geometry is used to study the slip activity in metastable austenitic stainless steel 304 during uniaxial and equibiaxial deformation using HRDIC. The results are discussed with respect to the Schmid law and the effect of multiple slip activity on the nucleation of martensitic transformations.
引用
收藏
页码：309 / 317
页数：9
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