Residual Stresses in Overlapping Friction Taper Stud Welds

被引：5
|
作者：
Hattingh, D. G. [1 ]
Steuwer, A. [1 ]
James, M. N. [1 ]
Wedderburn, I. N. [1 ]
机构：
[1] NMMU, ZA-6031 Port Elizabeth, South Africa
来源：
MECHANICAL STRESS EVALUATION BY NEUTRONS AND SYNCHROTRON RADIATION | 2010年 / 652卷
关键词：
Friction taper stud weld; Overlapping welds; Residual stress; Neutron diffraction; Creep resistant steel;
D O I：
10.4028/www.scientific.net/MSF.652.111
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This paper presents microstructural, hardness and residual strain information for solid-state welds in creep-resistant Cr-Mo steel, made using the new local damage repair technique offered by friction taper stud welding (FTSW). The technique is suitable for making single welds to repair, for example, localised creep damage but can also be extended to deal with planar defects through the use of overlapping welds. Neutron diffraction was used to measure residual strains at a number of positions along a series of 5 overlapping FTS welds.
引用
收藏
页码：111 / 115
页数：5
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