... 接头角位移试验 joint deflection test 接头拉伸试验 joint straight draw test 接头密封料 joint packing ...
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经实验发现细晶粒碳钢焊接接头拉伸试验断口在远离热影响区的母材上。
It is found that the weld of fine grain steel break apart from heat effect zone in the tensile test.
无论是焊接热模拟试件还是焊接接头硬度测试均表明HAZ不存在软化问题，接头拉伸试验断在远离热影响区的母材上。
Hardness measurement on welding thermal simulated specimens and cross weld specimens showed that no softening occurred in the HAZ. All the cross weld tensile specimens ruptured in the base metal.
使用SEM、EDX分析了界面微观结构，通过拉伸试验对接头力学性能进行了评定。
The interface microstructure is analyzed by SEM and EDX. The mechanical properties of the joint is evaluated through tensile tests.
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