| FRACTURE MECHANISM IN Ti_3Al Si Nb ALLOYS |
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| 作者姓名： | WU Jiansheng ZHANG Lanting QIU Guohua |
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| 作者单位： | Department of Materials Science，Shanghai Jiao Tong University，Shanghai 200030，P.R.China |
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| 摘 要： | ＦＲＡＣＴＵＲＥＭＥＣＨＡＮＩＳＭＩＮＴｉ_３Ａｌ＋Ｓｉ＋ＮｂＡＬＬＯＹＳＷＵＪｉａｎｓｈｅｎｇ；ＺＨＡＮＧＬａｎｔｉｎｇ；ＱＩＵＧｕｏｈｕａ（ＤｅｐａｒｔｍｅｎｔｏｆＭａｔｅｒｉａｌｓＳｃｉｅｎｃｅ，ＳｈａｎｇｈａｉＪｉａｏＴｏｎｇＵｎｉｖｅｒｓｉ?..
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FRACTURE MECHANISM IN Ti_3Al Si Nb ALLOYS |
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| WU Jiansheng,ZHANG Lanting, QIU Guohua.FRACTURE MECHANISM IN Ti_3Al Si Nb ALLOYS[J].Acta Metallurgica Sinica(English Letters),1995(Z1). |
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| Authors: | WU Jiansheng ZHANG Lanting QIU Guohua |
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| Abstract: | Ti_3Al Si Nb alloys containing Ti_5Si_3 have the potential in ductility improvements. In this paper, the fracture mechanism of this alloy is under investigation. Three kinds of alloys in the as rolled condition were prepared for determination of KIC values and calculation of J-resistance curves. The results show that the morphology of Ti_5Si_3 has a great influence on the KIC. values of the alloys and crack growth resistance. The fracture mechanism is controlled by Ti_5Si_3 particles. |
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| Keywords: | Ti_3Al Si Nb alloy fracture resistance curve |
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