非铁磁性金属材料缺陷磁检测技术试验研究*

doi:10.16731/j.cnki.1671-3133.2025.06.014

现代制造工程 ›› 2025, Vol. 537 ›› Issue (6): 129-135.doi: 10.16731/j.cnki.1671-3133.2025.06.014

• 仪器仪表/检测/监控 • 上一篇下一篇

非铁磁性金属材料缺陷磁检测技术试验研究^*

陈昕¹, 余志勇², 肖良忠¹, 胡博²

1 航空工业昌河飞机工业(集团)有限责任公司,景德镇 333002;
2 南昌航空大学无损检测技术教育部重点实验室,南昌 330063

收稿日期:2024-06-24 出版日期:2025-06-18 发布日期:2025-07-16
通讯作者: 胡博,博士,教授,主要研究方向为电磁无损检测。E-mail:cumthubo@163.com
基金资助:
^*江西省重点研发计划项目(20243BBG71005);江西省主要学科学术和技术带头人培养项目(20243BCE51052)

Experimental research on magnetic detection technology for defects in non-ferromagnetic metal materials

CHEN Xin¹, YU Zhiyong², XIAO Liangzhong¹, HU Bo²

1 AVIC Changhe Aircraft Industry (Group) Co., Ltd., Jingdezhen 333002,China;
2 Key Laboratory of Nondestructive Testing Technology of Ministry of Education, Nanchang Hangkong University,Nanchang 330063,China

Received:2024-06-24 Online:2025-06-18 Published:2025-07-16

摘要/Abstract

摘要： 非铁磁性金属材料由于其抗腐蚀能力强、强度高等优点,广泛应用于航空航天、船舶及化工等领域。提出一种磁检测技术,用于实现非铁磁性金属材料裂纹缺陷的无损检测。采用自主研发的磁检测设备,对铝合金试件和高温合金试件开展检测试验研究,采集并分析磁感应强度信号。结果表明,该磁检测技术在检测铝合金、高温合金的表面开口缺陷和闭合缺陷时检测信号会表现出异常信号特征,并且异常信号的变化量与缺陷的尺寸和埋深同时存在相关性,可以通过线性拟合的方式量化分析缺陷的深度或埋深。所提出的磁检测技术可用于非铁磁性金属材料裂纹的快速检测,并且具有较高的可靠性和有效性,为非铁磁性金属材料的定量检测提供了一种新的思路。

关键词: 非铁磁性金属, 裂纹, 磁检测技术, 磁感应强度

Abstract: Non-ferromagnetic metal materials are widely used in aerospace,shipbuilding,chemical industry and other fields due to their strong corrosion resistance and high strength. A magnetic detection technique was proposed to realize the non-destructive testing of crack defects in non-ferromagnetic metal materials. The self-developed magnetic testing equipment was used to carry out testing and research on aluminum alloy specimens and superalloy specimens,and the magnetic induction intensity signal was collected and analyzed. The results showed that the detection signal of the magnetic detection technology would show abnormal signal characteristics when detecting surface opening defects and closure defects of aluminum alloys and superalloys,and the change amount of abnormal signal was correlated with the size and buried depth of the defect at the same time,and the depth or burial depth of the defect could be quantitatively analyzed by linear fitting. The proposed magnetic detection technology could be used for the rapid detection of cracks in non-ferromagnetic metal materials,and had high reliability and effectiveness,which provided a new idea for the quantitative detection of non-ferromagnetic metal materials.

Key words: non-ferromagnetic metals, cracks, magnetic detection technology, magnetic induction strength

中图分类号:

陈昕, 余志勇, 肖良忠, 胡博. 非铁磁性金属材料缺陷磁检测技术试验研究^*[J]. 现代制造工程, 2025, 537(6): 129-135.

CHEN Xin, YU Zhiyong, XIAO Liangzhong, HU Bo. Experimental research on magnetic detection technology for defects in non-ferromagnetic metal materials[J]. Modern Manufacturing Engineering, 2025, 537(6): 129-135.

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非铁磁性金属材料缺陷磁检测技术试验研究^*

Experimental research on magnetic detection technology for defects in non-ferromagnetic metal materials

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