| IMPROVEMENT ON FATIGUE LIFE OF ALLOY LY12CZ AFTER LASER RADIATION AND ITS DAMAGE EVOLUTION |
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| 引用本文： | ZO U Hongcheng DAI Shujuan QIAN Zhixiong LI Guangxia Huazhong University of Science and Technology,Wuhan,China [Originally published in ACTA METALL SIN(CHINESE EDN)() pp A—A,Associate Professor,Division of Materials,Huazhong University of Science and Technology,Wuhan,China. IMPROVEMENT ON FATIGUE LIFE OF ALLOY LY12CZ AFTER LASER RADIATION AND ITS DAMAGE EVOLUTION[J]. 金属学报(英文版), 1989, 2(6): 428-432 |
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| 作者姓名： | ZO U Hongcheng DAI Shujuan QIAN Zhixiong LI Guangxia Huazhong University of Science and Technology Wuhan China [Originally published in ACTA METALL SIN(CHINESE EDN)() pp A—A Associate Professor Division of Materials Huazhong University of Science and Technology Wuhan China |
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| 作者单位： | ZO U Hongcheng DAI Shujuan QIAN Zhixiong LI Guangxia Huazhong University of Science and Technology，Wuhan，China [Originally published in ACTA METALL SIN(CHINESE EDN)25(3)1989 pp A207—A212，Associate Professor，Division of Materials，Huazhong University of Science and Technology，Wuhan，China |
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| 摘 要： | The change of microstructure of fatigue specimens before and after laser radiation was studiedby transmission electron microscopy.The results show that the diameter of dislocation cell λtends to a constant at fatigue failure.Based on the principles of continuous damagemechanics,expressions of the fatigue damage criterion and processes of fatigue damage evolu-tion for L Y12CZ have been derived.
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| 收稿时间： | 1989-12-25 |
| 修稿时间： | 1989-12-25 |
IMPROVEMENT ON FATIGUE LIFE OF ALLOY LY12CZ AFTER LASER RADIATION AND ITS DAMAGE EVOLUTION |
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| ZO U Hongcheng DAI Shujuan QIAN Zhixiong LI Guangxia Huazhong University of Science and Technology,Wuhan,China [Originally published in ACTA METALL SIN. IMPROVEMENT ON FATIGUE LIFE OF ALLOY LY12CZ AFTER LASER RADIATION AND ITS DAMAGE EVOLUTION[J]. Acta Metallurgica Sinica(English Letters), 1989, 2(6): 428-432 |
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| Authors: | ZO U Hongcheng DAI Shujuan QIAN Zhixiong LI Guangxia Huazhong University of Science Technology Wuhan China [Originally published in ACTA METALL SIN |
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| Abstract: | The change of microstructure of fatigue specimens before and after laser radiation was studied by transmission electron microscopy.The results show that the diameter of dislocation cell λ tends to a constant at fatigue failure.Based on the principles of continuous damage mechanics,expressions of the fatigue damage criterion and processes of fatigue damage evolu- tion for L Y12CZ have been derived. |
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| Keywords: | laser radiation dislocation cell fatigue damage mechanics |
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