| 岳亚霖*,韦朋余,张炜,李盛华.船用金属材料声发射信号特性研究[J].实验力学,2008,23(6):496~502 |
| 船用金属材料声发射信号特性研究 |
| Investigation on Characteristics of Acoustic Emission Signal for Marine Metal Materials |
| 投稿时间：2008-04-28 修订日期：2008-12-02 |
| DOI： |
| 中文关键词: 声发射 金属材料 信号频率 声发射传感器 缺陷检测 |
| 英文关键词:acoustic emission metal material signal frequency acoustic emission sensor defect detecting |
| 基金项目: |
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| 摘要点击次数: 324 |
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| 中文摘要: |
| 利用声发射技术对6种船用金属材料拉伸试验过程中产生的声发射信号进行了详细研究。通过对材料从弹性、屈服、强化直至破坏过程中的声发射信号参数统计分析，总结了船用金属材料拉伸过程中声发射信号事件数量、幅度、频率随拉力变化的分布规律，为在船用金属材料与结构缺陷中进行声发射检测的设备参数的配置、传感器的选择和危险等级的划分提供了基础数据。 |
| 英文摘要: |
| A detailed study on the characteristics of acoustic emission signal for six kinds of marine metal material during tension test process was carried out based on acoustic emission (AE) technique. Through statistical analysis of acoustic emission signal parameters in the respective process of elasticity, yield and break, summarization of distribution characteristics of the emission number, amplitude and frequency of six kinds of marine metal material with the variation of stresses during the test was emerged. This study may provide fundamental data for the device parameter configuration, sensor selection and danger degree partition in the acoustic emission testing for marine metal materials and in the structural defects detecting. |
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