Distributions of residual welding stress and effect of post weld heat treatment (PWHT) on residual welding stress relaxation in Lehigh weld specimens was studied by Mathar Soete drilling.

• 通过钻盲孔法研究了里海型焊接试板焊接残余应力的分布和焊后热处理对焊接残余应力松弛的影响 ,讨论了适合生产实际的焊后热处理条件。