| 考虑显微组织影响的焊接接头疲劳裂纹扩展寿命估算 |
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| 引用本文： | 韩连元,朱安国,查世锦.考虑显微组织影响的焊接接头疲劳裂纹扩展寿命估算[J].郑州大学学报(工学版),1993(1). |
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| 作者姓名： | 韩连元 朱安国 查世锦 |
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| 作者单位： | 郑州工学院，核工业第五研究设计院，郑州大学 |
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| 摘 要： | 本文讨论了焊接头的微观金相组织及其对疲劳裂纹生长率的影响,用标准试样的裂纹扩展速率数据,考虑微观组织的影响建立了疲劳裂纹在不同区域扩展的疲劳模型,并用这些模型编制计算机程序估算了裂纹的扩展寿命。与实验值进行了比较。
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| 关 键 词： | 焊接 金相组织 疲劳模型 寿命估算 |
The Prediction of the Welded Joint's Fatigue Crack Propagation Life Under a Varies of Metaatllographies Fabrics |
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| Han Lianyuan Zhuan guo Cha Sijun.The Prediction of the Welded Joint's Fatigue Crack Propagation Life Under a Varies of Metaatllographies Fabrics[J].Journal of Zhengzhou University: Eng Sci,1993(1). |
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| Authors: | Han Lianyuan Zhuan guo Cha Sijun |
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| Affiliation: | Zhengzhou Institue of Technology The 5th Reserch Institue Zhengzhou University |
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| Abstract: | In this paper,the metallographic fabric of the fatigue Crack growth were discussed.The fa tigue mode which fatigue crack grow through the various ranges were established,by using the fatigue crack growth,the crack propagation life was estimated,and compared with the experimented values. |
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| Keywords: | Welding joint metallographics ftigue mode life prediction |
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