MEASUREMENT OF RESIDUAL STRESSES IN THICK SECTION STEEL ELECTRON BEAM WELDS

被引：0

作者：

Kingston, E. ^{[1
]}

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

Zheng, G. ^{[1
]}

Gill, C. ^{[1
]}

Hurrell, P. ^{[1
]}

机构：

[1] VEQTER Ltd, Bristol BS1 5UB, Avon, England

来源：

PROCEEDINGS OF THE ASME PRESSURE VESSELS AND PIPING CONFERENCE 2010, VOL 6, PTS A AND B | 2010年

关键词：

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Residual stresses were measured and predicted in steel electron beam welded samples, one supplied by Rolls-Royce, UK, and a second by CEA, France. In the case of the Rolls-Royce sample, measurements were made before and after post-weld heat treatment. The deep hole drilling technique was applied to obtain measurements across and through the EB welds. It is shown that the tensile residual stresses are confined to a region either side of the EB weld that corresponds to about 20% of the wall thickness. Post-weld heat treatment is shown to substantially reduce the magnitudes of the peak residual stresses. Comparisons between measurements and predicted residual stresses in the Rolls-Royce sample show that predicted hoop stresses are substantially greater than measured although there is a fair comparison between measured and predicted radial stresses.

引用

页码：1307 / 1316

页数：10

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