| 热作模具钢热疲劳机理及性能改善的研究现状 |
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| 引用本文： | 张旭,何文超,李东辉,肖茂果,李绍宏.热作模具钢热疲劳机理及性能改善的研究现状[J].金属热处理,2020,45(9):10-20. |
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| 作者姓名： | 张旭 何文超 李东辉 肖茂果 李绍宏 |
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| 作者单位： | 昆明理工大学 材料科学与工程学院,云南 昆明 650093 |
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| 基金项目： | 国家自然科学基金;昆明理工大学分析测试基金 |
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| 摘 要： | 热作模具钢的热疲劳性能是影响模具使用寿命的主要因素。对热作模具钢热疲劳性能的研究现状和评定方法进行了阐述,分析了组织演变、裂纹萌生和扩展对热疲劳性能的影响。同时对影响热疲劳性能的因素和改善热疲劳性能的方法进行了探讨和总结,并针对热作模具钢热疲劳研究的趋势进行了展望。
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| 关 键 词： | 热作模具钢 热疲劳 裂纹萌生 裂纹扩展 |
| 收稿时间： | 2020-03-22 |
Research status of thermal fatigue mechanisms and performance improvement of hot work die steel |
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| Zhang Xu,He Wenchao,Li Donghui,Xiao Maoguo,Li Shaohong.Research status of thermal fatigue mechanisms and performance improvement of hot work die steel[J].Heat Treatment of Metals,2020,45(9):10-20. |
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| Authors: | Zhang Xu He Wenchao Li Donghui Xiao Maoguo Li Shaohong |
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| Affiliation: | Faculty of Materials Science and Engineering,Kunming University of Science and Technology,Kunming Yunnan 650093,China |
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| Abstract: | Thermal fatigue performance of hot work die steel is the main factor that affects the service life of dies.The research status and evaluation methods of thermal fatigue performance of hot work die steel were overviewed,the effects of structural evolution,crack initiation and propagation on thermal fatigue performance were analyzed.At the same time,the factors influencing the thermal fatigue performance and the methods to improve the thermal fatigue performance were discussed and summarized,and the trend of the thermal fatigue research of hot work die steel was prospected. |
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| Keywords: | hot work die steel thermal fatigue crack initiation crack propagation |
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