| 仪表金属功能材料低倍缺陷的检测 |
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| 引用本文： | 丁渝红. 仪表金属功能材料低倍缺陷的检测[J]. 理化检验(物理分册), 2005, 41(11): 573-574,584 |
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| 作者姓名： | 丁渝红 |
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| 作者单位： | 国家仪表功能材料工程技术研究中心重庆仪表材料研究所,重庆,400700 |
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| 摘 要： | 分析了仪表金属功能材料在超声检测中出现的低倍缺陷，讨论了在既定的条件下，采用宽频带窄脉冲超声检测方法对仪表金属功能材料低倍缺陷的检测。实践表明，采用宽频带窄脉冲超声检测与金相检验相结合的方法可有效地检测仪表金属功能材料的低倍缺陷。
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| 关 键 词： | 超声检测 低倍缺陷 脉冲反射法 |
| 文章编号： | 1001-4012（2005）11-0573-02 |
| 收稿时间： | 2005-05-24 |
| 修稿时间： | 2005-05-24 |
ULTRASONIC TESTING OF THE INSTRUMENT METAL FUNCTION MATERIALS |
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| DING Yu-hong. ULTRASONIC TESTING OF THE INSTRUMENT METAL FUNCTION MATERIALS[J]. Physical Testing and Chemical Analysis Part A:Physical Testing, 2005, 41(11): 573-574,584 |
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| Authors: | DING Yu-hong |
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| Affiliation: | 1. National Instrument Functional Materials Engineering Technology Research Center; 2. Chongqing Instrument Materials Research Institute, Chongqing 400700, China |
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| Abstract: | Analyzing ultrasonic testing different kinds of low-magnification defects on the instrument metal function materials and discussing to remove the low magnification defects on the instrument metal functional materials by spike pulse of ultrasonic testing under the technical specification. This paper introduces the application of the combination of the ultrasonic inspection with wide frequency band and narrow pulse and metallographic examination in production. |
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| Keywords: | Ultrasonic testing Low-magnification defects Impulse reflection process |
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