Detection of delaminations in AS4/PEEK composite plates using highly nonlinear solitary waves

Yoon Sangyoung; Kim Guenil; Schiffer AndreasCantwell Wesley J.Kim EunhoKim Tae-Yeon

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Detection of delaminations in AS4/PEEK composite plates using highly nonlinear solitary waves

机译：Detection of delaminations in AS4/PEEK composite plates using highly nonlinear solitary waves

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We experimentally investigate a non-destructive evaluation (NDE) technique to detect defects in an AS4/PEEK fiber-reinforced thermoplastic composite using highly nonlinear solitary waves (HNSWs). HNSWs are generated using an experimental setup of a granular crystal sensor composed of a one-dimensional chain of steel beads. The granular chain is vertically aligned and placed in contact with the surface of the laminated composites containing a defect through the depth of their thickness. The influence of the defect and the defect location in AS4/PEEK is examined by analysing the characteristics (i.e., delay and amplitude) of the reflected HNSWs. Experimental results demonstrate the capability of the proposed HNSW-based NDE scheme in identifying defects in AS4/PEEK laminated composites, offering a low-cost and robust alternative to existing NDE methods.

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《Composite structures》 |2022年第6期|115511.1-115511.12|共12页
作者
Yoon Sangyoung; Kim Guenil; Schiffer AndreasCantwell Wesley J.Kim EunhoKim Tae-Yeon;
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作者单位

Khalifa Univ Sci & Technol, Civil Infrastruct & Environm Engn, Abu Dhabi, U Arab Emirates;

Jeonbuk Natl Univ, Div Mech Syst Engn, 567 Baekje Daero,Dekjin Gu, Jeonju 54896, Jeonbuk, South Korea;

Khalifa Univ Sci & Technol, Dept Mech Engn, Abu Dhabi, U Arab EmiratesKhalifa Univ Sci & Technol, Aerosp Res & Innovat Ctr AR, Abu Dhabi, U Arab EmiratesJeonbuk Natl Univ, Div Mech Syst Engn, 567 Baekje Daero,Dekjin Gu, Jeonju 54896, Jeonbuk, South Korea|Jeonbuk Natl Univ, Automot Hi Technol Res Ctr, 567 Baekje Daero,Dekjin Gu, Jeonju 54896, South Korea|Jeonbuk Natl Univ, LANL CBNU Engn Inst Korea, 567 Ba;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
Non-destructive evaluation; Granular chain; Nonlinear waves; Fiber composite;

Detection of delaminations in AS4/PEEK composite plates using highly nonlinear solitary waves

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