可锻铸铁激光处理后的表层组织特征  

Structural Characterization of malleable Cast Iron of theType KT350-10 after Laser Processing

作　　者：朱祖昌[1] 张启秀[1] 俞少罗[1] 

机构地区：[1]上海工程技术大学

出　　处：《铸造》1993年第5期15-18,共4页Foundry

摘　　要：研究了KT350—10可锻铸铁激光熔融处理后的组织和显微硬度,结果表明,其组织可分为熔化区和过渡区两层.熔区中残留的石墨周围在本试验条件下,存在着双壳层组织.在变态莱氏体中,渗碳体呈树枝晶状分布.The structure and microhardness of malleable cast iron of type KT350-10 after laser processing was introduced. The result showed that the micro-structure may be divided into two layers: remelted layer and transitted layer. There exists double-shell structure around the retained temper-carbon graphite in the remelted layer, ccmentites in modified ledeburite have dendritic morphology.

关 键 词：可锻铸铁 激光处理 显微组织 

分 类 号：TG143.4[一般工业技术—材料科学与工程]