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高铬钢辊在锻造退火状态的微观结构分析
Analysis of the Microstructure of High Chrome Steel for Roller under Forged Annealed State
作者:Jie Yang;Fang Quan 作者单位:Faculty of Mechanical & Electronic Information, China University of Geosciences(Wuhan),430074 Wuhan, China 加工时间:2014-03-24 信息来源:科技报告(other) 索取原文[4 页]
关键词:钢铁;高铬钢辊;球化退火;微观结构
摘 要:This paper investigates the annealed microstructure of a new high chrome steel for roiler,using methods of SEM、DES、XRD and hardness tests.The results show that the spheroidizing annealed high chromium steel is constitutive of ferrite and globular cementite,and the microstructure is relatively reasonable.But there are disadvantage characters such as small holes in the vicinity of the grain boundary,and residual lamellar pearlite exists in local area.In this paper,generation mechanisms of these characters are explained,and prevention methods are given for the weakness of the high chorme steel for roller.
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