针对表面残余应力的仪器化压入检测方法, 阐释利用压入方式检测残余应力的基本原理及其力学
机制, 梳理建立残余应力压入检测方法的常用技术路线, 结合残余应力压入检测方法的不同分类 …

By reviewing the instrumented indentation methods for determination of surface residual
stress, the basic principle and mechanism for measuring residual stress by instrumented …

A novel approach is proposed for evaluating equi-biaxial residual stresses (RS) from
residual imprint displacement fields after spherical indentation. A unique region, where …

Residual stresses, existed in engineering structures, could significantly influence the
mechanical properties of structures. Accurate and non-destructive evaluation of the non …

A method measuring microscale in-plane indentation displacement field on the indented
specimen surface is proposed by utilizing an optical flow (OF) algorithm. With images taken …

Instrumented indentation was used to investigate the proportional relationships among
indentation variables such as the maximum indentation displacement, contact depth, the …

Background Residual stresses exist in many manufactured materials and must be measured
and taken into account for safe structural design. Established residual stress measurement …

The finite element simulations show that non-equibiaxial residual stresses (RS) can shift the
load–depth curve from the unstressed curve and cause elliptical remnant indentation in …

Shot peening is a mechanical surface treatment used to improve the material fatigue
performance by introducing compressive residual stress and work hardening. In order to …

Power-law creep of polycarbonate was investigated by Berkovich indentation under three
different conditions at room temperature, namely: constant displacement rate condition …