| FATIGUE BEHAVIOUR OF M/B DUPLEX STRUCTURE IN A HIGH CARBON Cr-Mo-W STEEL |
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| 作者姓名： | TIAN Baohong ZHENG Shi'an WU Lei Luoyang Institute of Technology Luoyang China ZHENG Shi'an associate professor |
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| 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 |
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| 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.
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| 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 |
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| 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. |
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| Authors: | TIAN Baohong ZHENG Shi'an WU Lei Luoyang Institute of Technology Luoyang China ZHENG Shi'an associate professor |
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| 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 |
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| 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. |
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| Keywords: | duplex structure fatigue crack propagation rate threshold value steel 65Cr5Mo3W2VSiTi |
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