Fabrication of high chromium cast iron/low carbon steel composite material by cast and hot rolling process

被引：47

作者：

Xie, Guoliang ^{[1
]}

Sheng, Hui ^{[1
]}

Han, Jingtao ^{[1
]}

Liu, Jing ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China

来源：

MATERIALS & DESIGN | 2010年 / 31卷 / 06期

关键词：

WEAR-RESISTANCE; ABRASIVE WEAR; WHITE IRONS; MICROSTRUCTURE; TITANIUM; MORPHOLOGY; CORROSION; HARDNESS; MILL;

D O I：

10.1016/j.matdes.2010.01.014

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A sandwich-structured composite blank containing a high chromium cast iron (HCCI) and low carbon steel (LCS) claddings was successfully fabricated by casting and hot rolling, and then a series of quenching and tempering treatments were employed. The evolution of microstructures and microhardness of as-cast, hot-rolled and heat-treated specimens were investigated. The microstructures of hot-rolled HCCI are refined and significant variations of carbides are observed. A perfect metallurgical bonding between HCCI and LCS is revealed by the continuous distributions of alloy elements. The microhardness of hot-rolled HCCI after quenching and tempering is found to be close to that of as-cast one. The hardness of HCCI can reach up to HV 750 or above after oil quenching. The hardness of HCCI reduced to HV 600-750 after tempering due to the tempering of martensite. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：3062 / 3066

页数：5

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