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预腐蚀金属材料疲劳性能试验测试与表征模型

付裕,  熊峻江

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文章导航 > 北京航空航天大学学报  > 2016 >  42(5): 969-976.
付裕, 熊峻江. 预腐蚀金属材料疲劳性能试验测试与表征模型[J]. 北京航空航天大学学报, 2016, 42(5): 969-976. doi: 10.13700/j.bh.1001-5965.2015.0348
引用本文: 付裕, 熊峻江. 预腐蚀金属材料疲劳性能试验测试与表征模型[J]. 北京航空航天大学学报, 2016, 42(5): 969-976. doi: 10.13700/j.bh.1001-5965.2015.0348
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FU Yu, XIONG Junjiang. Test and characterization model on fatigue behavior for pre-corroded metallic aircraft materials[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(5): 969-976. doi: 10.13700/j.bh.1001-5965.2015.0348(in Chinese)
Citation: FU Yu, XIONG Junjiang. Test and characterization model on fatigue behavior for pre-corroded metallic aircraft materials[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(5): 969-976. doi: 10.13700/j.bh.1001-5965.2015.0348(in Chinese)
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预腐蚀金属材料疲劳性能试验测试与表征模型

doi: 10.13700/j.bh.1001-5965.2015.0348

  • 北京航空航天大学 交通科学与工程学院, 北京 100083

基金项目: 国家自然科学基金(51375033,51405006)
详细信息
    作者简介:

    付裕 男,博士研究生。主要研究方向:金属腐蚀疲劳。Tel.:15801324631 E-mail:buaafuyu@163.com;熊峻江 男,博士,教授,博士生导师。主要研究方向:疲劳断裂可靠性工程、飞行器结构适航。Tel.:010-82316203 E-mail:jjxiong@buaa.edu.cn

    通讯作者:

    熊峻江,Tel.:010-82316203 E-mail:jjxiong@buaa.edu.cn

  • 中图分类号: V223+.3

Test and characterization model on fatigue behavior for pre-corroded metallic aircraft materials

  • School of Transportation Science and Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

    摘要
  • 摘要: 提出了预腐蚀金属材料疲劳性能表征S-N-t曲面模型,并建立了模型参数估计算法。采用成组法和升降法,试验测定了预腐蚀后的3种航空材料(LD2CS、LD10CS和15CrMnMoVA)有擦蚀和无擦蚀疲劳S-N-t曲面,采用新建立的S-N-t曲面模型处理试验数据,发现模型曲面与试验数据吻合良好;预腐蚀材料的无擦蚀和有擦蚀疲劳性能随着预腐蚀时间的增加而下降,相同的应力水平和预腐蚀时间下,预腐蚀材料的无擦蚀疲劳性能更好。

     

    Abstract: New S-N-t surface model was proposed for characterizing fatigue behavior of pre-corroded metallic materials and novel formulae were derived to estimate the parameters of the proposed model. Fatigue life-group and up-down tests were conducted on un-notched and notched pre-corroded specimens for three different types of metallic aircraft materials (LD2CS, LD10CS and 15CrMnMoVA)to determine the fatigue S-N-t surface. Good agreements were achieved between the test and the new S-N-t surface models by applying the new proposed S-N-t surface model to the test data points. Fatigue behavior of un-notched and notched pre-corroded metallic aircraft materials decreases with the increase of pre-corrosion time. The un-notched specimens show better fatigue behavior than notched ones at the same stress level and pre-corrosion time.

     

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    • 参考文献(21)
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出版历程
  • 收稿日期:  2015-05-28
  • 网络出版日期:  2016-05-20

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