某发动机叶片抛修裂纹荧光渗透检测
Fluorescent Penetrant Inspection of an Aero-Engine Vane Polishing Cracks
摘 要
某型发动机在厂内加速模拟800 h试车后，在对Ⅰ、Ⅱ级涡轮叶片进行荧光渗透检测时发现裂纹，经冶金分析，该叶片裂纹为抛修裂纹，是叶片在制造过程中产生的缺陷。笔者分析了这种情况产生的原因，旨在找出如何在制造阶段发现抛修裂纹等细微缺陷，以确保产品质量。
荧光渗透检测
抛修裂纹
Aero-enginevane
Fluorescent penetrant inspection
Polishing cracks
Abstract
After 800 hours accelerated simulation and commissioning, cracks were found by fluorescent penetrant inspection on Level I and Level II Aero-Engine turbine vanes. By metallographic analyzing, polishing cracks were found and they occured under vanes producing process. This article analyzed the reason of this situation, aiming to find out how to discover the tiny defects such as polishing cracks during the turbine Vanes making and to assure the products quality.
中图分类号 TG115.28
所属栏目 实践经验
基金项目
收稿日期 2013/7/13
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备注唐建朝(1986-)，男，助理工程师，学士，主要从事渗透检测工作。
引用该论文: TANG Jian-chao,ZHOU Jia-liang. Fluorescent Penetrant Inspection of an Aero-Engine Vane Polishing Cracks[J]. Nondestructive Testing, 2014, 36(3): 72～74
唐建朝,周嘉梁. 某发动机叶片抛修裂纹荧光渗透检测[J]. 无损检测, 2014, 36(3): 72～74
被引情况:
【1】周嘉梁,唐建朝, "荧光渗透检测出钛合金零件表面黄色锈斑的控制方法",无损检测 38, 61-63(2016)
【2】徐亚亚,李泽,刘兴勇, "某机高压涡轮叶片荧光渗透检测工艺改进",无损检测 37, 69-70(2015)
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参考文献
【1】林猷文，任学东.渗透检测［M］.北京：机械工业出版社,2004:1-4.
【2】HB/Z 61—1998渗透检验［S］.
【2】HB/Z 61—1998渗透检验［S］.
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