研究了元素C、V对高强度奥氏体不锈钢焊缝金属的强化作用.结果显示,提高C含量,具有明显的固溶强化效果,但C含量的增加导致大量碳化物在晶界上析出;提高V含量使细小弥散的碳化钒在晶内析出,产生明显的沉淀强化效果.在强化效果基本相同时,后者的韧性高于前者.
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