Elastic follow-up and relaxation of residual stresses

被引：18

作者：

Smith, D. J. ^{[1
]}

McFadden, J. ^{[1
]}

Hadidimoud, S. ^{[2
]}

Smith, A. J. ^{[1
]}

Stormonth-Darling, A. J. ^{[1
]}

Aziz, A. A. ^{[1
]}

机构：

[1] Univ Bristol, Dept Mech Engn, Solid Mech Grp, Bristol BS8 1TR, Avon, England

[2] Ferdowsi Univ Mashhad, Dept Mech Engn, Mashhad, Iran

来源：

PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART C-JOURNAL OF MECHANICAL ENGINEERING SCIENCE | 2010年 / 224卷 / C4期

关键词：

elastic follow-up; residual stress; experiments; TEMPERATURE PIPING SYSTEMS; PREDICTION;

D O I：

10.1243/09544062JMES1733

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

A series of experiments were undertaken using a multiple bar assembly to measure elastic follow-up and relaxation of an initial residual stress. A test rig was designed to permit different levels of elastic follow-up to occur. The general features of the experimental results confirmed predictions provided by simple models. The most reliable measure of elastic follow-up was obtained by measuring the relaxation of the initial residual stress. The rate of relaxation of the residual stress is found to be proportional to the elastic follow-up factor.

引用

页码：777 / 787

页数：11

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