电渣复合法制备双金属复合轧辊的研究进展  

Research Progress on the Preparation of Bimetallic Composite Roll by Electroslag Cladding Technology

作　　者：曹玉龙 姜周华 董艳伍 李光强[1,2] 赵峥嵘 Cao Yulong;Jiang Z houhua;Dong Yanwu;Li Guangqiang;Zhao Zhengrong(The State Key Laboratory of Refractories and Metallurgy,Wuhan University of Science and Technology,Wuhan 430081;Hubei Provincial Key Laboratory for New Processes of Ironmaking and Steelmaking,Wuhan University of Science and Technology,Wuhan 430081;School of Metallurgy,Northeastern University,Shenyang 110819)

机构地区：[1]武汉科技大学省部共建耐火材料与冶金国家重点实验室,武汉430081 [2]武汉科技大学钢铁冶金新工艺湖北省重点实验室,武汉430081 [3]东北大学冶金学院,沈阳110819

出　　处：《特殊钢》2020年第5期6-13,共8页Special Steel

基　　金：中国博士后科学基金资助(2019M652720)。

摘　　要：复合轧辊是一种以高耐磨性及高强韧性材料分别作为工作外层及芯材的双金属复合材料。本文对国内外采用电渣冶金技术进行双金属复合以制备复合轧辊的堆焊复合法、液态金属表面复合法、自耗结晶器复合法等工艺方法进行了系统介绍,分析了自耗电极形式、导电回路方案、外层金属供给方式及设备结构等对双金属复合过程及复合轧辊综合性能的影响。同时,对不同工艺的基本特点及其控制关键技术进行了概括。对各电渣复合工艺技术发展历程及复合轧辊综合性能的稳定控制进行了分析,对电渣复合法制备双金属复合轧辊的未来发展前景进行了展望。The composite roll is a kind of bimetallic composite material which consists of a high wear-resistance material as the working layer and a high strength,toughness material as the core respectively.In this paper,a systematical introduction is given for the preparation of bimetallic composite roll by electroslag metallurgy technology including ESR cladding method,electroslag surfacing by liquid metal and consumable mold cladding method at home and abroad.The influence of consumable electrode form,conductive circuit scheme,supply method of the outer metal and equipment structure on the bimetallic cladding process and the comprehensive performance of composite roll are analyzed.At the same time,the basic process characteristics and control keys technology of the different methods are summarised.Based on the analyses of the development history of electroslag cladding technology and the stability control of composite roll performance,the future prospect and development of the preparation of bimetallic composite roll by electroslag cladding method is prospected.

关 键 词：电渣冶金 复合轧辊 制造工艺 结合界面 

分 类 号：TG333.17[金属学及工艺—金属压力加工]