location: Current position: Home >> Scientific Research >> Paper Publications

X射线衍射法测试TC4钛合金喷丸残余应力的精确度研究

Hits:

Indexed by:期刊论文

Date of Publication:2018-09-15

Journal:工程与试验

Volume:58

Issue:3

Page Number:8-12,60

ISSN No.:1674-3407

Key Words:X射线衍射;残余应力;准确度;不确定度

Abstract:从残余应力测试原理出发,结合自制原位拉压试验装置,评估了X射线衍射法测试钛合金喷丸表面残余应力的准确度.同时,利用卷积和概率论推导测试不确定度的计算方法,并对X射线衍射法测试钛合金喷丸表面残余应力的不确定度进行分析.结果表明,x射线弹性常数1/2Shkl2是影响残余应力测试准确度的关键参数,随着喷丸样品表面状态的变化,残余应力测试不确定度发生不同程度的波动.

Pre One:基于新型试验装置的TC4钛合金面接触微动磨损行为研究

Next One:Effect of different surface asperities and surface hardness induced by shot-peening on the fretting wear behavior of Ti-6Al-4V