Dynamic Model of Thermal Fatigue Crack Propagation In 3Cr2W8V Steel

Dynamic Model of Thermal Fatigue Crack Propagation In 3Cr2W8V Steel

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摘要 In this paper, the thermal fatigue test data in 3Cr2W8V steel are analyzed numerically. Then, on this basis a formula of thermal fatigue crack propagation rate with respect to stress intensiyt factor range is presented. Finally a dynamic equation of the control parameters for thermal fatigue crack propagationis derived according to evaluating the thermal strain relaxation property of the steel. In this paper, the thermal fatigue test data in 3Cr2W8V steel are analyzed numerically. Then, on this basis a formula of thermal fatigue crack propagation rate with respect to stress intensiyt factor range is presented. Finally a dynamic equation of the control parameters for thermal fatigue crack propagationis derived according to evaluating the thermal strain relaxation property of the steel.

作者 Liu Jianhong Yao Mei Feng Xiaozhen He Shiyu (Department of Metals and Technology)

出处《哈尔滨工业大学学报》 EI CAS CSCD 北大核心 1990年第3期151-154,共4页 Journal of Harbin Institute of Technology

关键词热疲劳裂纹扩展 3CR2W8V钢动态模型扩展速率 Thermal fatigue crack propagation.

分类号 TG142.12 [金属学及工艺—金属材料]

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哈尔滨工业大学学报

1990年第3期

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Dynamic Model of Thermal Fatigue Crack Propagation In 3Cr2W8V Steel

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