合金元素在合金钢中的存在形式有哪些

2025-04-07 06:35:05
推荐回答(1个)
回答1:

高速钢特点:1高碳其谈质量数0.07%高达1.50%左右面能保证与W,CrV等形足够数量碳化物另面要定数量碳溶于奥氏体保证马氏体高强度2加入WCrV,Mo等合金元素加入Cr提高淬透性几乎所高速钢铬质量数均4%铬碳化物Cr23C6淬火加热差全部溶于奥氏体增加冷奥氏体稳定性提高钢淬透性铬能提高钢抗氧化脱碳能力加入W,Mo保证高热硬性退火状态W,Mo型碳化物形式存类碳化物淬火加热较难溶解加热部碳化物溶于奥氏体催货W,Mo存于马氏体随560%火形W2C或Mo2C弥散布造二硬化种碳化物500600摄氏度温度范围内非稳定易聚集使钢具良热硬性未熔碳化物能起阻止奥氏体晶粒及提高耐磨性作用V能形VC非稳定极难溶解硬度极高且颗粒细布均匀能提高钢硬度耐磨性同能阻止奥氏体晶粒细化晶粒热处理特点12201280摄氏度淬火+550570三火组织火马氏体细粒状碳化物及少数残余奥氏体性能特点具高硬度高耐磨性定塑性韧性其高速切割刃部温度达600摄氏度其硬度明显降
钒高速钢提高红硬性主要元素钒强化物形元素形稳定Vc.火程Vc细弥散质点折造二硬化其作用比钨强高速钢含钒量增加红硬性耐磨性提高提高含钒量必须提高含碳量保证形各种碳化物高速钢含钒量搬1%~5%.随着含钒量增加、高速钢切削加工性能降
钨主要保持高红硬性钒细化晶粒铬主要固溶强化提高钢淬透性碳各合金形各种金属化合物三火程弥散析达二硬化目我认要研究各合金作用应该铬合金晶体类型、各自形碳化物自由能、各自扩散所需要激能、外层电排列等本质素考虑单纯记忆性质
感觉这样的提问没有意义
建议自己下去查查资料

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