摘要
通过对加钒后FT61钢调质后硬度及组织的分析,得出钒元素可以明显提高FT61钢的淬火硬度和回火硬度,同时也能起到细化晶粒尺寸的作用。
Through analyzing FT61 steel hardness and texture with vanadium after quenching and tem- pering ,we know that vanadium can increase quenched and tempered hardness obviously, and make grain size fine