Investigation on surface integrity and fatigue performance in abrasive waterjet peening

被引：5

作者：

Lv, Zhe ^{[1
]}

Hou, Rongguo ^{[1
]}

Wang, Rui ^{[1
]}

Zhang, Yulong ^{[1
]}

Zhang, Miaomiao ^{[1
]}

机构：

[1] Shandong Univ Technol, Sch Mech Engn, Zibo 255000, Peoples R China

来源：

JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING | 2022年 / 44卷 / 11期

关键词：

Abrasive waterjet; Surface strengthening; Surface integrity; Residual stress; Fatigue performance; ROUGHNESS; STRESS;

D O I：

10.1007/s40430-022-03820-4

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Abrasive waterjet peening is a promising method for surface strengthening and anti-fatigue processing, which has the advantages such as cleanness, high efficiency and low thermal effect. The surface integrity and fatigue performance of the specimens processed by abrasive waterjet peening are still lack of attention to be paid. In this paper, a numerical model was utilized to study the residual stress distribution and the surface roughness of the Ti-6Al-4V specimen surface in abrasive waterjet peening. The validity of the model were then verified by experiments. Moreover, the fatigue performance of the abrasive waterjet peened specimen were investigated numerically, and the fatigue life tests were also conducted under various loading conditions. The effects of different parameters on the surface integrity and the fatigue property were analyzed. The results indicates that higher residual stress can be obtained by implementing high particle velocity and large particle diameter. The fatigue life of the specimen will be decreased when using larger abrasive particles due to the deteriorated surface roughness.

引用

页数：11

共 27 条

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