French round-robin test of X-ray stress determination on a shot-peened steel

被引：0
|
作者：
M. François
F. Convert
S. Branchu
机构：
[1] LAMM/CRTT,LAMM/CRTT
[2] Bd de l'Université,undefined
[3] CETIM,undefined
[4] Bd de l'Université,undefined
来源：
Experimental Mechanics | 2000年 / 40卷
关键词：
Residual stresses; X-ray analysis; uncertainty analysis; interlaboratory measurements;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A round-robin test of X-ray residual stress determination was performed by the Groupement Français d'Analyse des Contraintes and involved 16 laboratories. The standard deviation of the measurements was about 36 MPa, but a posttreatment of the raw data with the same soft-ware reduced the dispersion to 19 MPa. Analysis of the uncertainty sources (goniometer alignment, operator, counting statistics, nonlinearity of the material, etc.) revealed that the main sources come from the data treatment and the operator.
引用
收藏
页码：361 / 368
页数：7
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