Acoustic emission detection for mass fractions of materials based on wavelet packet technology

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作者信息关键词期刊信息基础信息归属信息摘要

成果类型：

期刊论文

作者：

Wang, Xianghong*;Xiang, Jianjun;Hu, Hongwei;Xie, Wei;Li, Xiongbing

通讯作者：

Wang, Xianghong

作者机构：

[Xiang, Jianjun; Xie, Wei; Hu, Hongwei; Wang, Xianghong] Changsha Univ Sci & Technol, Hunan Prov Key Lab Safety Design & Reliabil Techn, Changsha 410004, Hunan, Peoples R China.

[Wang, Xianghong] Changsha Univ Sci Technol, Minist Educ, Engn Res Ctr Catastroph Prophylaxis & Treatment R, Changsha 410004, Hunan, Peoples R China.

[Wang, Xianghong] Changsha Univ Sci & Technol, Key Lab Lightweight & Reliabil Technol Engn Vehic, Changsha 410004, Hunan, Peoples R China.

[Li, Xiongbing] Cent S Univ, CAD CAM Inst, Changsha 410075, Hunan, Peoples R China.

[Wang, Xianghong] Changsha Univ Sci & Technol, Sch Automobile & Mech Engn, Changsha 410004, Hunan, Peoples R China.

通讯机构：

[Wang, Xianghong] C

Changsha Univ Sci & Technol, Sch Automobile & Mech Engn, Changsha 410004, Hunan, Peoples R China.

语种：

英文

关键词：

Acoustic emission;Attenuation;Mass fraction;Non-destructive testing;Wavelet packet

期刊：

Ultrasonics

ISSN：

0041-624X

年：

2015

卷：

期：

页码：

27-32

DOI：

10.1016/j.ultras.2015.02.001

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51105045, 51205031, 51201022]; Open Fund of Hunan Province Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle [KF1507]; Open Fund of Engineering Research Center of Catastrophic Prophylaxis and Treatment of Road & Traffic Safety of Ministry of Education [kfj140407]

机构署名：

本校为第一且通讯机构

院系归属：

汽车与机械工程学院

摘要：

Materials are often damaged during the process of detecting mass fractions by traditional methods. Acoustic emission (AE) technology combined with wavelet packet analysis is used to evaluate the mass fractions of microcrystalline graphite/polyvinyl alcohol (PVA) composites in this study. Attenuation characteristics of AE signals across the composites with different mass fractions are investigated. The AE signals are decomposed by wavelet packet technology to obtain the relationships between the energy and amplitude attenuation coefficients of f...

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Acoustic emission detection for mass fractions of materials based on wavelet packet technology

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