利用强化磁激励场提高磁记忆检测灵敏度的可行性分析

中国机械工程 ›› 2015, Vol. 26 ›› Issue (24): 3375-3378.

利用强化磁激励场提高磁记忆检测灵敏度的可行性分析

张卫民1;邱忠超1;于霞2;孙宏波3

1.北京理工大学，北京，100081
2.中国兵器工业导航与控制技术研究所，北京，100089
3.首都航天机械公司，北京，100076

出版日期:2015-12-25 发布日期:2015-12-17
基金资助:
国家自然科学基金资助项目（51275048）

Feasibility Analyses of Improving Magnetic Memory Testing Sensibility by Strengthening Magnetic Excitation Field

Zhang Weimin1;Qiu Zhongchao1;Yu Xia2;Sun Hongbo3

1.Beijing Institute of Technology,Beijing,100081
2.Navigation and Control Technology Research Institute,China North Industries Group Corporation,Beijing,100089
3.Captial Aerospace Machinery Company,Beijing,100076

Online:2015-12-25 Published:2015-12-17

摘要/Abstract

摘要：

金属磁记忆检测是一种弱磁场激励下的磁性检测方法，磁记忆检测易受干扰磁场的影响，因而其检测灵敏度和可靠性较低，至今仍难以在实际工程中推广应用。针对该问题，提出了通过强化磁激励场，提高磁记忆检测灵敏度和可靠性的方法。分析了该方法的原理，得出了利用该方法可以有效抑制干扰场，提高检测灵敏度的结论。

关键词: 金属磁记忆, 强化磁激励场, 磁导率, 金属微缺陷

Abstract:

As one kind of magnetic detecting methods excited by weak magnetic field, the metal magnetic memory testing method was susceptible to be influenced by magnetic interference, thus it was low in sensitivity and reliability, and was difficult to be applied in the practical engineering. An improving magnetic memory detection sensitivity and reliability method was put forward by strengthening the magnetic excitation field. Through analyzing principles of the method, it is concluded that the method can effectively suppress the interference field and improve the detection sensitivity.

Key words: metal magnetic memory, strengthen the magnetic excitation field, permeability, metal micro-defect

中图分类号:

TG115.28

张卫民, 邱忠超, 于霞, 孙宏波. 利用强化磁激励场提高磁记忆检测灵敏度的可行性分析[J]. 中国机械工程, 2015, 26(24): 3375-3378.

Zhang Weimin, Qiu Zhongchao, Yu Xia, Sun Hongbo. Feasibility Analyses of Improving Magnetic Memory Testing Sensibility by Strengthening Magnetic Excitation Field[J]. China Mechanical Engineering, 2015, 26(24): 3375-3378.

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