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| 船用金属材料声发射信号特性研究 | |
| 引用本文： | 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. |
| 作者姓名： | 岳亚霖 韦朋余 张炜 李盛华 |
| 作者单位： | 1. 中国船舶科学研究中心,无锡,214082;江苏科技大学,船舶与海洋工程学院,镇江,212003 2. 江苏科技大学,船舶与海洋工程学院,镇江,212003 3. 中国船舶科学研究中心,无锡,214082 |
| 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。 |
| 关 键 词： | 声发射 金属材料 信号频率 声发射传感器 缺陷检测 |
Investigation on Characteristics of Acoustic Emission Signal for Marine Metal Materials |
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| YUE Ya-lin,WEI Peng-yu,ZHANG Wei,LI Sheng-hua.Investigation on Characteristics of Acoustic Emission Signal for Marine Metal Materials[J].Journal of Experimental Mechanics,2008,23(6):496-502. | |
| Authors: | YUE Ya-lin WEI Peng-yu ZHANG Wei LI Sheng-hua |
| Institution: | 1.China Ship Scientific Research Center;Wuxi 214082;China;2.School of Naval Architecture and Ocean Engineering;Jiangsu University of Science and Technology;Zhenjiang 212003;China |
| Abstract: | 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 s... |
| Keywords: | acoustic emission metal material signal frequency acoustic emission sensor defect detecting |
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