Its results show that with decreasing the relative width of under-matching weld metal, the tensile strength of welding joint increase.
结果表明:随低强焊缝金属相对宽度变小,接头抗拉强度增大;
Crystallinity, hardness, tensile strength and impact toughness of fusion welding joint of polyethylene pipes are tested and analyzed.
测试和分析了聚乙烯管道热熔对接焊接头的结晶度、硬度、拉伸性能和冲击性能,并与基材的性能进行了比较。
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