采用确定性裂纹增长方法对铝合金铆接结构寿命分析的研究

赵平, 李旭东, 于化东, 吴东流

赵平, 李旭东, 于化东, 吴东流. 采用确定性裂纹增长方法对铝合金铆接结构寿命分析的研究[J]. 工程力学, 2014, 31(6): 35-41. DOI: 10.6052/j.issn.1000-4750.2012.12.1021
引用本文: 赵平, 李旭东, 于化东, 吴东流. 采用确定性裂纹增长方法对铝合金铆接结构寿命分析的研究[J]. 工程力学, 2014, 31(6): 35-41. DOI: 10.6052/j.issn.1000-4750.2012.12.1021
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ZHAO Ping, LI Xu-dong, YU Hua-dong, WU Dong-liu. STUDY FOR LIFE PREDICTION OF RIVETED ALUMINUM ALLOY STRUCTURES USING DETERMINISTIC CRACK GROWTH ANALYSIS METHOD[J]. Engineering Mechanics, 2014, 31(6): 35-41. DOI: 10.6052/j.issn.1000-4750.2012.12.1021
Citation: ZHAO Ping, LI Xu-dong, YU Hua-dong, WU Dong-liu. STUDY FOR LIFE PREDICTION OF RIVETED ALUMINUM ALLOY STRUCTURES USING DETERMINISTIC CRACK GROWTH ANALYSIS METHOD[J]. Engineering Mechanics, 2014, 31(6): 35-41. DOI: 10.6052/j.issn.1000-4750.2012.12.1021
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采用确定性裂纹增长方法对铝合金铆接结构寿命分析的研究

  • 1.

    长春理工大学机电工程学院, 长春 130022

  • 2.

    中国航空综合技术研究所, 北京 100028

基金项目: 国防科技工业技术基础科研项目(Z052011T001)
详细信息
    作者简介:

    赵平(1972―), 男, 吉林人, 讲师, 硕士, 主要从事精密超精密加工、结构完整性及可靠性评估研究(E-mail: bigapplepie@tom.com); 于化东(1961―), 男, 吉林人, 教授, 博士, 博导, 主要从事精密超精密加工、光机电一体化产品设计与系统集成、微摩擦磨损理论与技术研究(E-mail: yuhd@cust.edu.cn);吴东流(1964―), 男, 北京人, 研究员, 硕士, 主要从事国防科技工业无损检测和可靠性专业的研究(E-mail: dindt808@163.com).

    通讯作者:

    李旭东(1979―), 男, 山东人, 高工, 博士, 主要从事结构完整性及可靠性评估研究(E-mail: lixudong08@gmail.com)

  • 中图分类号: V214

STUDY FOR LIFE PREDICTION OF RIVETED ALUMINUM ALLOY STRUCTURES USING DETERMINISTIC CRACK GROWTH ANALYSIS METHOD

  • 1.

    Changchun University of Science and Technology, College of Mechanical and Electric Engineering, Changchun 130022, China

  • 2.

    China Aero-Polytechnology Establishment, Beijing 100028, China

摘要

    摘要
  • 摘要: 对一种典型的航空铝合金铆接结构模型试件进行了疲劳试验. 针对该模型分别采用确定性裂纹增长方法和等效SSF法进行了寿命评估, 并与试验结果进行了比较. 结果显示, 两种评估方法都具有良好的评估精度. 当采用确定性裂纹增长方法对结构寿命进行分析时, 必须通过试验对于结构原始疲劳质量进行准确的评估, 结构寿命的评估结果会敏感的随着结构细节初始缺陷尺寸上界的变化而变化.
    Abstract: Fatigue testing of a typical model of an aluminum alloy aero-riveted structure was carried out. The deterministic crack growth analysis method and equivalent SSF method were used to make life assessments of the model and the assessment results were compared with the experiment results. The results showed that the two assessment methods both had good prediction accuracy. Initial structural fatigue must be accurately assessed experimentally when predicting structure life with the deterministic crack growth analysis method, because the structure life assessment results closely reflect the size of initial structural faults.
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    • 参考文献(13)
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出版历程
  • 收稿日期:  2012-12-29
  • 修回日期:  2013-02-09
  • 刊出日期:  2014-06-24

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