... 焊接程序试验 welding procedure test 焊接残留应力 weld residual stress 焊接金属面积 weld metal area ...
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residual weld stress 残余应力
Weld residual stress 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。
The weld residual stress 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。
Stress-strain tests show that: the weld residual stress and the fusion zone is relatively concentrated, the residual stress of the heat affected zone is relatively small.
应力应变测试表明：焊缝与熔合区是残余应力比较集中的地方，热影响区的残余应力比较小。
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