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热处理工艺对GJW50热疲劳性能的影响
引用本文:丁峰,尤显卿,张怀远,张焱.热处理工艺对GJW50热疲劳性能的影响[J].热加工工艺,2011,40(4).
作者姓名:丁峰  尤显卿  张怀远  张焱
作者单位:1. 安徽职业技术学院机械工程系,安徽合肥,230011
2. 合肥工业大学材料科学与工程学院,安徽合肥,230009
基金项目:安徽高校省级自然科学研究计划项目(KJ2008B276)
摘    要:通过对用不同工艺热处理的钢结硬质合金GJW50进行热循环试验,研究了热处理工艺对该材料热疲劳性能的影响。结果表明,经淬火回火后的材料其硬度较退火后有较大提高;不同的淬火回火工艺影响材料的热疲劳抗力和在热循环中的硬度变化趋势;热处理工艺对裂纹在试样缺口处的形态及裂纹的传播方式无影响。

关 键 词:热处理  钢结硬质合金GJW50  热疲劳性能  

Effect of Heat Treatment Process on Thermal Fatigue Properties of GJW50
DING Feng,YOU Xianqing,ZHANG Huaiyuan,ZHANG Yan.Effect of Heat Treatment Process on Thermal Fatigue Properties of GJW50[J].Hot Working Technology,2011,40(4).
Authors:DING Feng  YOU Xianqing  ZHANG Huaiyuan  ZHANG Yan
Affiliation:DING Feng1,YOU Xianqing2,ZHANG Huaiyuan2,ZHANG Yan1(1.Department of Mechanical Engineering,Anhui Vocational and Technical College,Hefei 230011,China,2.School of Material Science and Engineering,Hefei University of Technology,Hefei 230009,China)
Abstract:The effects of heat treatment process on the thermal fatigue properties of steel bonded carbide GJW50 were investigated by thermal fatigue test on this material after different heat treatment process.The results show that the hardness of the material after quenching and tempering is higher than that after annealing.Different process of quenching and tempering affects the thermal fatigue resistance and hardness variable trend of the material.Heat treatment process has no effect on the propagation mode of the...
Keywords:heat treatment  steel bonded carbide GJW50  thermal fatigue properties  
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