多元合金奥氏体耐热球铁的强化  

Strengthening Anstenitic Heat Resistance Nodular Cast Iron by Multi-Component Alloy

作　　者：李宁[1] 

机构地区：[1]四川联合大学金属材料系

出　　处：《成都科技大学学报》1996年第3期1-5,共5页

摘　　要：本文研究了Ｍｏ、Ｃｒ、Ｎｂ、Ｓｉ、Ａｌ等元素对奥氏体球铁（２０％Ｎｉ）高温机械性能和抗氧化性的影响，认为Ｍｏ、Ｃｒ、Ｎｂ均提高了高温机械性能和抗变形能力。Ａｌ可提高抗氧化性，但大大降低高温热强性，恶化铸造性能。The effect of Mo、Cr、N、Si、Al on mechanical properties at high temperture and on resistance to oxidation of austenitic heat resistant nodular cast iron(20%Ni)was studied.The author thinks that Mo、Cr、Nb give the cast iron with improved mechanical Properties and resistance to deformation at high temperature.Al improve resistance tooxidation,but it decreases greatly high temperaturestrength and casting property

关 键 词：球墨铸铁 奥氏体球墨铸铁 强化 耐热球墨铸铁 

分 类 号：TG143.5[一般工业技术—材料科学与工程]