At the HAZ of thinner sheet, hardness is lower than the base metal. But for 5056, hardness of welds of TWB is about equal to base metal for two welding process with or without the addition of filler metal powder.

  • 而5056拼焊板焊缝的显微硬度在填粉和不填粉两种情况下都与母材的相当。

  • 互联网摘选 2025-01-20 13:29:45

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