| 应用超声波技术对材料应力特征的提取与分析 |
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| 引用本文： | 郭芳,杨录,张艳花.应用超声波技术对材料应力特征的提取与分析[J].声学技术,2008,27(2):217-220. |
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| 作者姓名： | 郭芳 杨录 张艳花 |
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| 作者单位： | 中北大学信息与通信工程学院,电子测试技术国家重点实验室,太原,030051 |
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| 摘 要： | 超声波技术能够对材料（零件或部件）进行快速、准确、便捷的应力测量。对基于超声波技术的应力检测问题作了初步分析．列举了目前我国已用超声波技术测量材料应力的若干试验方法和工程实践应用．阐述了超声波技术对材料应力特征提取的方法。结合现有的理论基础设计了一个应力测量的实验系统，并以此为基础描述了超声波技术在应力测量方面的发展前景。
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| 关 键 词： | 超声波 无损检测 应力 |
| 文章编号： | 1000-3630(2008)-02-0217-04 |
| 收稿时间： | 2007/3/26 0:00:00 |
| 修稿时间： | 2007年3月26日 |
Measurement and analysis of material stress with ultrasonic technology |
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| GUO Fang,YANG Lu and ZHANG Yan-hua.Measurement and analysis of material stress with ultrasonic technology[J].Technical Acoustics,2008,27(2):217-220. |
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| Authors: | GUO Fang YANG Lu and ZHANG Yan-hua |
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| Affiliation: | (National Key Laboratory for Electronic Measurement Technology, College of Information and Communication Engineering, North University of China, Taiyuan 030051, China) |
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| Abstract: | Ultrasonic technology is competent for testing material stress with speediness, accuracy and facility. In this paper, the theoretical study is made the ultrasonic stress measurement issues, and some experimental methods and practical applications of the measurement are compared and analyzed. The material feature extraction method based on ultrasonic technology is also expatiated. Furthermore, an experimental system for stress measurement is designed, and the developing prospect of ultrasonic technology on stress measurement is described. |
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| Keywords: | ultrasonic nondestructive testing stress |
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