| 薄壁扁平不锈钢管的涡流检测工艺 |
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| 引用本文： | 张晓红,胡文刚,张琳,刘伟,杨帆.薄壁扁平不锈钢管的涡流检测工艺[J].宇航材料工艺,2019,49(3):79-81. |
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| 作者姓名： | 张晓红 胡文刚 张琳 刘伟 杨帆 |
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| 作者单位： | 首都航天机械有限公司，北京 100076,首都航天机械有限公司，北京 100076,首都航天机械有限公司，北京 100076,首都航天机械有限公司，北京 100076,首都航天机械有限公司，北京 100076 |
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| 摘 要： | 针对航天专用不锈钢薄壁扁平管涡流检测过程中存在的工艺难题,通过分析管材扁平成型工艺特点,采用涡流检测线圈的等效填充系数计算方法,结合涡流分布特性制作异型外穿过式涡流检测线圈,根据型面检测灵敏度差异制定合理的检测工艺,有效实现了不锈钢薄壁扁平管的涡流检测。通过破坏性试验及飞行试验,对检测工艺的可靠性进行了验证。该检测工艺已成功应用于各型号不锈钢薄壁扁平管的涡流检测中。
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| 关 键 词： | 涡流检测 不锈钢薄壁扁平管 等效填充系数 缺陷 |
| 收稿时间： | 2018/7/3 0:00:00 |
| 修稿时间： | 2019/5/16 0:00:00 |
Eddy Current Testing Technology Applied to Thin-Walled Flat Tubes |
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| Zhang Xiaohong,HU Wen-gang,ZHANG Lin,LIU Wei and YANG Fan.Eddy Current Testing Technology Applied to Thin-Walled Flat Tubes[J].Aerospace Materials & Technology,2019,49(3):79-81. |
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| Authors: | Zhang Xiaohong HU Wen-gang ZHANG Lin LIU Wei and YANG Fan |
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| Institution: | Capital Space Machinery Co. Ltd..,Capital Space Machinery Co. Ltd..,Capital Space Machinery Co. Ltd..,Capital Space Machinery Co. Ltd..,Capital Space Machinery Co. Ltd.. |
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| Abstract: | For the technical problems in eddy current testing of stainless steel thin-walled flat tube,the equivalent filling coefficient calculation method of eddy current testing coil was adopted by analyzing the characteristics of flat pipe forming process.According to the sensitivity difference of the profile,a reasonable testing process was developed, and the eddy current testing of the stainless steel thin-walled flat pipe was effectively realized.Destructive tests and flight tests verify the reliability of the inspection process.The eddy current testing technology has been applied to several types of thin-walled flat tubes. |
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| Keywords: | Eddy current Stainless steel thin-walled flat tube Equivalent filling coefficient Defects |
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