泵用麻口铸铁的研制及应用  

Preparation & Application of Mottled Cast Iron for Pump

作　　者：齐笑雪[1] 马莉[1] 赵亚忠[1] 

机构地区：[1]南阳理工学院建筑系,河南南阳473004

出　　处：《热加工工艺》2009年第15期26-28,共3页Hot Working Technology

摘　　要：介绍了低合金抗磨麻口铸铁的设计与制备技术,所研制的低合金麻口铸铁抗拉强度大于310MPa,冲击韧度为4～9J/cm2,硬度为300～400HB,耐磨性比灰铸铁提高1/3。The technology o f design ＆ preparation is introduced on low alloy abrasion resistant mottled east iron. The studied low-alloy mottled cast iron has good mechanical property and abrasive resistance, σb〉310MPa, αK= 4-9J/cm2, hardness is 300~400HB, abrasive resistance is 1/3 higher than gray cast iron.

关 键 词：麻口铸铁 耐磨性 力学性能 水泵 

分 类 号：TG251.2[金属学及工艺—铸造]