| 钻柱构件失效模式与安全韧性判据的研究 |
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| 引用本文： | 冯耀荣,李平全.钻柱构件失效模式与安全韧性判据的研究[J].西安交通大学学报,1998,32(4):54-58. |
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| 作者姓名： | 冯耀荣 李平全 |
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| 作者单位： | 西安交通大学，石油管材研究所 |
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| 摘 要： | 在对大量钻柱构件失效事故的失效分析结果进行综合统计和分析的基础上，采用断裂力学方法，研究了钻柱构件的主要失效模式及失效模式与材料韧性的相关性，提出和验证了防止钻柱构件早期失效、提高疲劳寿命和安全可靠性的韧性要求．
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| 关 键 词： | 钻柱构件 失效模式 韧性判据 |
Investigation on Failure Mode and Safety Toughness Criterion for Drill Stem Elements |
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| Feng yaorong,Ma Baodian,Jin Zhihao.Investigation on Failure Mode and Safety Toughness Criterion for Drill Stem Elements[J].Journal of Xi'an Jiaotong University,1998,32(4):54-58. |
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| Authors: | Feng yaorong Ma Baodian Jin Zhihao |
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| Abstract: | Based on the basis of statistical failure analysis of drill stem elements the main failure types and the relationship between failure types and toughness are investigated by using a fracture mechanics approach. The toughness requirements of drill stem elements are proposed and validated for preventing the premature failure, extending fatigue life, and increasing safety and reliability. |
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| Keywords: | drill stem elements failure mode toughness criterion |
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