... weld metal deposition 焊缝金属熔敷 weld metal hardness 焊缝金属硬度 weld metal toughness 焊缝金属韧度 ...
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Regardless of DC or AC magnetic field, the hard phase in weld metal overlay is fine and distributed "the hexagon" in optimum parameters, then hardness and wear extent in weld metal overlay are higher.
在最佳的磁场参数作用下，无论是直流磁场还是交流磁场，堆焊层中硬质相细小且成“六角形”分布，此时堆焊层金属的硬度和磨损量均达到最佳状态。
The hardness of weld region shows'less variation than base metal and the ultimate tensile strength of TMAZ is almost 20% improvement.
焊缝区的硬度值波动范围很小，抗拉强度比母材增加约20％。
In addition the results of hardness test showed that the hardness of based metal and the HAZ and the weld was equivalent.
另外硬度试验显示，母材、热影响区、焊缝硬度相当。
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