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FATIGUE BEHAVIOUR OF M/B DUPLEX STRUCTURE IN A HIGH CARBON Cr-Mo-W STEEL
引用本文:TIAN Baohong ZHENG Shi''''an WU Lei Luoyang Institute of Technology,Luoyang,China ZHENG Shi''''an,associate professor,Department of Materials Engineering,Luoyang Institute of Technology,Luoyang 471039,China. FATIGUE BEHAVIOUR OF M/B DUPLEX STRUCTURE IN A HIGH CARBON Cr-Mo-W STEEL[J]. 金属学报(英文版), 1993, 6(5): 316-319
作者姓名:TIAN Baohong ZHENG Shi''''an WU Lei Luoyang Institute of Technology  Luoyang  China ZHENG Shi''''an  associate professor  Department of Materials Engineering  Luoyang Institute of Technology  Luoyang 471039  China
作者单位:TIAN Baohong ZHENG Shi'an WU Lei Luoyang Institute of Technology,Luoyang,China ZHENG Shi'an,associate professor,Department of Materials Engineering,Luoyang Institute of Technology,Luoyang 471039,China
摘    要:Determination was carried out of fatigue crack propagation rate of steel 65Cr5Mo3W2VSiTi(LM2)with various bainite contents and M/B duplex structure tempered at various tempera-tures.The threshold value of fatigue for each processing was estimated by experimental data.The mechanism for fatigue crack propagation of M/B duplex structure in steel LM2 seemsto be non-continuous.The calculated fatigue crack micro-propagation rates are found toagree with the experimental data.

收稿时间:1993-10-25
修稿时间:1993-10-25

FATIGUE BEHAVIOUR OF M/B DUPLEX STRUCTURE IN A HIGH CARBON Cr-Mo-W STEEL
TIAN Baohong ZHENG Shi'an WU Lei Luoyang Institute of Technology,Luoyang,China ZHENG Shi'an,associate professor. FATIGUE BEHAVIOUR OF M/B DUPLEX STRUCTURE IN A HIGH CARBON Cr-Mo-W STEEL[J]. Acta Metallurgica Sinica(English Letters), 1993, 6(5): 316-319
Authors:TIAN Baohong ZHENG Shi'an WU Lei Luoyang Institute of Technology  Luoyang  China ZHENG Shi'an  associate professor
Affiliation:TIAN Baohong ZHENG Shi'an WU Lei Luoyang Institute of Technology,Luoyang,China ZHENG Shi'an,associate professor,Department of Materials Engineering,Luoyang Institute of Technology,Luoyang,China
Abstract:Determination was carried out of fatigue crack propagation rate of steel 65Cr5Mo3W2VSiTi (LM2)with various bainite contents and M/B duplex structure tempered at various tempera- tures.The threshold value of fatigue for each processing was estimated by experimental data. The mechanism for fatigue crack propagation of M/B duplex structure in steel LM2 seems to be non-continuous.The calculated fatigue crack micro-propagation rates are found to agree with the experimental data.
Keywords:duplex structure  fatigue crack propagation rate  threshold value  steel 65Cr5Mo3W2VSiTi
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