| A Method of Observing Fatigue Crack Growth by SEM |
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| 引用本文： | 穆恩生,林吉忠,吴玉树,胡玉祥,成兆银. A Method of Observing Fatigue Crack Growth by SEM[J]. 材料科学技术学报, 1992, 8(4): 261-265 |
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| 作者姓名： | 穆恩生 林吉忠 吴玉树 胡玉祥 成兆银 |
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| 作者单位： | Dept.of Metals and Chemistry China Academy of Railway Sciences，Beijing 100081，China，Dept.of Metals and Chemistry，China Academy of Railway Sciences，Beijing 100081，China，Dept.of Metals and Chemistry，China Academy of Railway Sciences，Beijing 100081，China，Center Laboratory，Dalian Locomotive Factory of Railway Ministry，Dalian，116021，China，Center Laboratory，Dalian Locomotive Factory of Railway Ministry，Dalian，116021，China |
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| 摘 要： | This paper introduces a modified control cir-cuit of static tensile stage of Cambridge S-200SEM.The function of the stage is extended to thatof a tensile/compressive dynamic fatigue testingstage.It can be used for studying fatigue microcharacteristic and crack growth.Direct observa-tions of small crack growth behaviour were carriedout under the SEM with modified stage.Resultsshowed the various stages in the development of acrack.
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| 收稿时间： | 1992-07-28 |
A Method of Observing Fatigue Crack Growth by SEM |
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| MU Ensheng LIN Jizhong WU Yushu HU Yixiang CHENG Zhaoyin Dept.of Metals and Chemistry,China Academy of Railway Sciences,Beijing,China Center Laboratory,Dalian Locomotive Factory of Railway Ministry,Dalian,,China+ To whom correspondence s. A Method of Observing Fatigue Crack Growth by SEM[J]. Journal of Materials Science & Technology, 1992, 8(4): 261-265 |
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| Authors: | MU Ensheng LIN Jizhong WU Yushu HU Yixiang CHENG Zhaoyin Dept.of Metals Chemistry China Academy of Railway Sciences Beijing China Center Laboratory Dalian Locomotive Factory of Railway Ministry Dalian China+ To whom correspondence s |
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| Abstract: | This paper introduces a modified control cir- cuit of static tensile stage of Cambridge S-200 SEM.The function of the stage is extended to that of a tensile/compressive dynamic fatigue testing stage.It can be used for studying fatigue micro characteristic and crack growth.Direct observa- tions of small crack growth behaviour were carried out under the SEM with modified stage.Results showed the various stages in the development of a crack. |
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| Keywords: | SEM dynamic observation fatigue |
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