| 基于声发射检测技术的FRP复合材料损伤试验研究 |
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| 引用本文： | 李伟,王宇,吴超群,蒋鹏,王艳茹.基于声发射检测技术的FRP复合材料损伤试验研究[J].化工机械,2011,38(6):692-696. |
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| 作者姓名： | 李伟 王宇 吴超群 蒋鹏 王艳茹 |
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| 作者单位： | 东北石油大学机械科学与工程学院 |
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| 摘 要： | 用声发射技术研究了FRP复合材料的拉伸损伤与断裂行为,宽带传感器记录了不同纤维铺向的复合材料在拉伸破坏过程中的声发射信号.运用三维参数法,分析了FRP复合材料拉伸损伤的声发射特性,并对复合材料声发射信号的幅度进行统计分析,宏观上揭示了不同角度FRP复合材料拉伸损伤的发展、演化过程和规律.
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| 关 键 词： | FRP复合材料 声发射技术 三维参数分析 损伤机理 |
Experimental Study on FRP Composite Material Damage Based on Acoustic Emission Testing Technology |
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| LI Wei
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WANG Yu
,
WU Chao-qun
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JIANG Peng
,
WANG Yan-ru.Experimental Study on FRP Composite Material Damage Based on Acoustic Emission Testing Technology[J].Chemical Engineering & Machinery,2011,38(6):692-696. |
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| Authors: | LI Wei WANG Yu WU Chao-qun JIANG Peng WANG Yan-ru |
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| Affiliation: | (College of Mechanical Science and Engineering,Northwest Petroleum University,Daqing 163318,China) |
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| Abstract: | Basing on acoustic emission and making use of broadband sensors to record acoustic signals of composite materials which boasting of different fiber angles and damaged in tensile operation,the tensile damage and fracture behavior of FRP composite materials were investigated,and acoustic characteristics of damaged FRP composite materials were analyzed with 3D parameter method.Statistical analysis of the acoustic emission signal amplitude reveals the development process of FRP composite materials with tensile damage in different angle. |
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| Keywords: | FRP composite materials acoustic emission technology 3D parameter analysis damage mechanism |
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