Computer Aided Design of Heat Treatment for AISI P20+Ni Mold Steel with Good Machinability

作     者：HUXin-bin GAOWen HEYan-lin LILin 

作者机构：Dept.Mater.Sci.＆Eng.ShanghaiUniversity149YanchangRoadShanghai200072China Dept.Mater.Sci.＆Eng.ShanghaiUniversity149YanchangRoadShanghai200072China／Dept.MechanicalEngineeringHubeiPolytechnicUniversityWuhan430068China ShanghaiNo.5steelCo.LTDofShanghaiBaosteelGroupCo.Shanghai200940China 

基　　金：supported by the key project of Science and Technology Commission of Shanghai Local Government(015211010) 

出 版 物：《材料热处理学报》 (Transactions of Materials and Heat Treatment)

年 卷 期：2004年第25卷第5期

页      码：627-630页

摘      要：Computer aided design of heat treatment for AISI P20 mold steel with good machinability is attempted to proceed by the commercial software package Thermo-Calc (TCP+DICTRA). Through experimental and theoretical analysis of phase transformation during heat treatment, further knowledge of designing proper heat treatment is obtained. Then the machinability of AISI P20+Ni steel under given heat treatment condition is studied and the influencing factors to their machinability are analyzed. It is shown that heat treatment designed by computer simulation of carbide transformation is applicable to AISI P20+Ni steel with good machinability; AISI P20+Ni steel with tempered sorbite treated by quenching & tempering has optimal machinability; normalizing at the temperature of 910°C & tempering can avoid cracking and result in acceptable machinability in small thickness module.

主 题 词：热处理 AISI P20+Ni模具钢 可加工性 计算机设计 

学科分类：080503[080503] 08[工学] 0805[工学-能源动力学] 0802[工学-机械学] 0704[理学-天文学类] 0702[理学-物理学类] 080201[080201] 

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