| FATIGUE DAMAGE AND LIFETIME PREDICTION OF AERONAUTIC WELDED STRUCTURES UNDER HIGH TEMPERATURE |
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| 作者姓名： | Zuo Jianzheng Lou Zhiwen Kuang Zhenbang |
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| 作者单位： | Zuo Jianzheng，Lou Zhiwen，Kuang Zhenbang (State Key Laboratory of Mechanical Structural Strength and Vibration，Xi′an Jiaotong University，Xi′an，710049，China |
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| 摘 要： | ＦＡＴＩＧＵＥＤＡＭＡＧＥＡＮＤＬＩＦＥＴＩＭＥＰＲＥＤＩＣＴＩＯＮＯＦＡＥＲＯＮＡＵＴＩＣＷＥＬＤＥＤＳＴＲＵＣＴＵＲＥＳＵＮＤＥＲＨＩＧＨＴＥＭＰＥＲＡＴＵＲＥＺｕｏＪｉａｎｚｈｅｎｇ，ＬｏｕＺｈｉｗｅｎ，ＫｕａｎｇＺｈｅｎｂａｎｇ（ＳｔａｔｅＫ...
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FATIGUE DAMAGE AND LIFETIME PREDICTION OF AERONAUTIC WELDED STRUCTURES UNDER HIGH TEMPERATURE |
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| Zuo Jianzheng,Lou Zhiwen,Kuang Zhenbang.FATIGUE DAMAGE AND LIFETIME PREDICTION OF AERONAUTIC WELDED STRUCTURES UNDER HIGH TEMPERATURE[J].Chinese Journal of Aeronautics,1997(3). |
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| Authors: | Zuo Jianzheng Lou Zhiwen Kuang Zhenbang |
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| Abstract: | The fatigue damage evolution equations and the relation of fatigue damage parameter with maximum cyclic stress of superalloy GH150 and its welded structures are established. The fatigue damage evolution equations in a multiaxial stress state are also given. By use of cyclic thermal elastoplastic damage constitutive relations, the fatigue damage and lifetime predictions are carried out for the welded combustion chamber of aeroengine. |
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| Keywords: | welded structures fatigue life damage finite element method lifetime prediction |
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