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作者:

Bian, Zeqi (Bian, Zeqi.) | Wu, Bin (Wu, Bin.) | Liu, Bing (Liu, Bing.) | Lyu, Yan (Lyu, Yan.) | Gao, Jie (Gao, Jie.) | He, Cunfu (He, Cunfu.)

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EI Scopus SCIE

摘要:

This research delves into the characterization of the ultrasonic transmission coefficient pertaining to various types of bonding defects in Fiber-Reinforced Polymer (FRP)-bonded structures. Initially, an ultrasonic transmission coefficient calculation model for FRP-bonded structures in a water immersion environment is established. This model is used to analyze the variation in the ultrasonic transmission coefficient under different defect types, namely intact bonding, interfacial slip, and debonding defects. Subsequently, a frequency domain finite element analysis model of FRP-bonded structures with different defect types is constructed. The simulation validates the accuracy of the theoretical analysis results and concurrently analyzes the variation in the transmission signal when the defects alter. Lastly, an experimental platform for water immersion ultrasonic transmission measurement is set up. The transmission signals under different defect types are extracted through experiments and evaluated in conjunction with theoretical calculations to assess the types of bonding defects.

关键词:

ultrasonic transmission coefficient debonding defects interfacial slip fiber-reinforced polymer bonded structures

作者机构:

  • [ 1 ] [Bian, Zeqi]Beijing Univ Technol, Coll Mech & Energy Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Liu, Bing]Beijing Univ Technol, Coll Mech & Energy Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Wu, Bin]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 4 ] [Lyu, Yan]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 5 ] [Gao, Jie]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China
  • [ 6 ] [He, Cunfu]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China

通讯作者信息:

  • [Lyu, Yan]Beijing Univ Technol, Fac Informat Technol, Beijing 100124, Peoples R China

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来源 :

MATERIALS

年份: 2024

期: 5

卷: 17

3 . 4 0 0

JCR@2022

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