灰铸铁模具热疲劳研究现状及展望  

Research Status and Prospect of Gray Cast Iron Mold Thermal Fatigue

作　　者：李月霞[1] 高增[1] 张小林[1] 邹悟会[1] 高广东[1] 

机构地区：[1]河南省中原内配股份有限公司,河南孟州454750

出　　处：《热加工工艺》2015年第17期12-16,共5页Hot Working Technology

基　　金：河南省重大科技专项(121100211900)

摘　　要：对灰铸铁钢锭模和离心铸造气缸套、铸管模在使用过程中存在的主要问题进行了综述,详细阐述了灰铸铁热疲劳的解决措施及改进方法,主要包括灰铸铁材料的低合金化、显微组织调整和使用前的热处理等。并对灰铸铁金属型的发展前景进行了展望。The main problems of ingot mould of grey cast iron and cylinder and pipe mould of centrifugal casting in use were summarized. The solving measures and improving methods of grey cast iron thermal fatigue were detailed, including low alloying of grey cast iron, adjustment on microstructure and heat treatment before the application. And the improvement prospect of gray cast iron metal mold was forecasted.

关 键 词：灰铸铁 热疲劳 金属型 合金化 

分 类 号：TG250.6[金属学及工艺—铸造] TB31[一般工业技术—材料科学与工程]