适量的稀土元素可改善焊缝金属组织的形态、细化晶粒、提高韧性。
It was also found out that proper re element addition could increase the toughness of the weld metal and improve its microstructure by grain refinement.
适量的稀土元素可改善焊缝金属组织的形态、细化晶粒、提高韧性。
It was also found out that proper re element addition could increase the toughness of the weld metal and improve its microstructure by grain refinement.
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