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高频疲劳损伤齿轮磁记忆效应的仿真

胥永刚, 孙兴芝, 崔玲丽, 张建宇

胥永刚, 孙兴芝, 崔玲丽, 张建宇. 高频疲劳损伤齿轮磁记忆效应的仿真[J]. 无损检测, 2015, 37(3): 28-32.
引用本文: 胥永刚, 孙兴芝, 崔玲丽, 张建宇. 高频疲劳损伤齿轮磁记忆效应的仿真[J]. 无损检测, 2015, 37(3): 28-32.
XU Yong-gang, SUN Xing-zhi, CUI Ling-li, ZHANG Jian-yu. Simulation on Gear Magnetic Memory Testing Under High-cycle Fatigue Damage[J]. Nondestructive Testing, 2015, 37(3): 28-32.
Citation: XU Yong-gang, SUN Xing-zhi, CUI Ling-li, ZHANG Jian-yu. Simulation on Gear Magnetic Memory Testing Under High-cycle Fatigue Damage[J]. Nondestructive Testing, 2015, 37(3): 28-32.

高频疲劳损伤齿轮磁记忆效应的仿真

基金项目: 

国家自然科学基金资助项目(51375020)

北京市教委科研计划资助项目(KM201310005013)

北京市属高等学校青年拔尖人才培育计划资助项目

北京工业大学基础研究基金资助项目

详细信息
    作者简介:

    胥永刚(1975-),男,副教授,主要研究方向为铁磁材料磁记忆的仿真模拟与故障诊断.

  • 中图分类号: TG115.28

Simulation on Gear Magnetic Memory Testing Under High-cycle Fatigue Damage

  • 摘要: 对高频疲劳下齿轮的磁记忆效应进行了仿真和试验.首先利用ANSYS有限元分析软件建立正常齿轮与有裂纹齿轮的三维实体模型,通过在静力学分析中施加约束与载荷得到了齿轮的应力图;进而,根据地磁场环境下应力与相对磁导率、应力与磁化强度的关系,对齿轮的应力集中部位进行相对磁导率的划分;然后建立地磁场模型,将齿轮放到模型中进行磁感应强度的仿真试验得到齿轮的磁场强度曲线;最后,在高频疲劳试验机上对某齿轮进行了疲劳试验,并测取试验过程中的齿根部整周磁记忆信号进行对比分析.对比结果验证了前述仿真过程的正确性,为利用磁记忆检测技术对齿轮早期故障进行诊断提供了理论依据.
    Abstract: The gear system plays a very important role in the mechanical equipment and its performance often has a decisive influence on the whole equipment.The simulation and experimental studies focus on the gear magnetic memory effect under high-cycle fatigue.Firstly,the three-dimensional models of normal and crack gear are established,and the constraint and loading are applied in static analysis to get the gear stress.Secondly,the relative permeability in the gear stress concentration areas are divided according to the relationships between stress and relative permeability with the magnetization.Thirdly,geomagnetic field models are created,and the specimens are used in the model to simulate the magnetic induction.Finally,the gear fatigue test was carried out on a high-cycle fatigue machine,and the magnetic memory signals around the whole tooth root were picked up for comparative analysis.The results verify the correctness of the simulation process,and provide a theoretical basis for the use of magnetic memory testing technology for diagnosis of early gear failure.
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出版历程
  • 收稿日期:  2014-07-20
  • 刊出日期:  2015-03-09

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