直升机零件疲劳裂纹的渗透检测与涡流检测
Penetrant testing and eddy current testing of fatigue cracks of helicopter parts
摘 要
某型直升机的某零件为受力关键零件，局部区域容易产生疲劳裂纹。按照设计要求，服役一定期限后需要对其进行荧光渗透检测，但检测时，受零件表面状态影响，无法有效检测出疲劳裂纹。针对该零件的特点，通过对渗透检测和涡流检测的原理、条件、效果及可实施性进行对比分析，制定了相应的检测试验方案。试验结果表明, 使用渗透检测与涡流检测相结合的方法，能有效地检测出该零件中的疲劳裂纹。
涡流检测
疲劳裂纹
表面质量
penetrant testing
eddy current testing
fatigue crack
surface status
Abstract
A certain part of helicopter is a part of pivotal, and it is easy to produce fatigue crack in local area, according to the design requirement the part shall be under fluorescence penetrant inspection after service. However, due to the influence of the surface, the fatigue crack can′t be detected effectively by penetrant inspection. Based on the characteristics of the part, through analyzing the principle, condition, effect, and enforceable of penetrant and eddy current inspection, an inspection proposal of experimental investigation was developed. The results show that the fatigue crack can be detected effectively by using the method of penetrant and eddy current inspection together.
中图分类号 TG115.28 DOI 10.11973/wsjc202202009
所属栏目 试验研究
基金项目
收稿日期 2021/7/30
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联系人作者丁能圣(68855899@qq.com)
备注丁能圣(1977-)，男，高级工程师，主要从事无损检测相关工作
引用该论文: DING Nengsheng,ZHU Jinzhong,HUANG Jingxing. Penetrant testing and eddy current testing of fatigue cracks of helicopter parts[J]. Nondestructive Testing, 2022, 44(2): 42～44
丁能圣,朱金忠,黄景兴. 直升机零件疲劳裂纹的渗透检测与涡流检测[J]. 无损检测, 2022, 44(2): 42～44
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参考文献
【1】岳庚新.涂层厚度对涡流检测的影响[J].无损检测,2018,40(1):34-36.
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