Weldresidualstress degree of irregularity is the important influencing factor for equipment life.
金属焊接引起的残余应力分布的不均匀程度是影响设备寿命的重要因素。
2
The weldresidualstress by PWTH is discussed in order to prove that PWTH can really improve the distribution of stress.
残余拉应力区宽度变大。 文中还给出了焊后热处理后的应力大小情况，以证明焊后热处理能改善应力分布。
3
Stress-strain tests show that: the weldresidualstress and the fusion zone is relatively concentrated, the residual stress of the heat affected zone is relatively small.