Investigations on CFRP Porosity by Using Ultrasonic Testing Based on Random Pores Model

Mu, Yunfei

doi:10.3901/jme.2010.04.022

Cited by 4 publications

(2 citation statements)

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“…There are three kinds of ultrasonic attenuation: the effects of beam radiation diffraction, acoustic scattering and media absorption [5]. For resin-based composite materials, the ultrasonic attenuation is corresponded well with the increase of porosity.…”

Section: A Porosity Measurement Theorymentioning

confidence: 96%

Ultrasonic transmission method for testing curved composite parts

Wang

Pan

et al. 2012

2012 IEEE International Conference on Mechatronics and Automation

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In this paper, the detection of common defects such as inclusion, delamination for curved composite materials is studied. The principle of measuring porosity is focused on introducing. The technology of trajectory planning and motion control for twin-robot system of testing various curved composite parts using ultrasonic transmission method is also discussed. An ultrasonic NDT system is developed for testing large-scaled curved composite components used in aerospace and other fields. With many advantages, it will be very significant for our nondestructive testing work.

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Section: A Porosity Measurement Theorymentioning

confidence: 96%

Ultrasonic transmission method for testing curved composite parts

Wang

Pan

et al. 2012

2012 IEEE International Conference on Mechatronics and Automation

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“…We proposed a novel mathematical model for estimating the morphology of voids in CFRP composite materials, and its effectiveness has been proved with some good agreements between simulations and experimental results [11][12]. In this paper, ultrasonic attenuation coefficient in composite materials is numerically calculated utilizing time domain finite difference (TDFD) method based on the RVM.…”

Section: Introductionmentioning

confidence: 99%

Numerical Investigations of Ultrasonic Scattering from Voids in Composite Materials Based on Random Void Model

Liu

Zhang

2011

AMR

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Ultrasonic attenuation coefficient is firstly calculated utilizing the finite difference time domain method based on a novel 2-D RVM for carbon fiber reinforced plastic (CFRP) composite materials. The results show that the void morphology has detrimental effect on ultrasonic attenuation. Even at the fixed porosity, ultrasonic attenuation coefficient fluctuates due to the randomness of void morphology in CFRP composite materials. This work significantly helps to understand ultrasonic scattering mechanism of voids and formulation of CFRP composite material properties.

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Research on Microscopic CFRP Stochastic Pore Model Based on Pore Morphology

Chen¹,

Li²,

et al. 2021

2021 IEEE International Conference on Power Electronics, Computer Applications (ICPECA)

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Investigations on CFRP Porosity by Using Ultrasonic Testing Based on Random Pores Model

Cited by 4 publications

References 0 publications

Ultrasonic transmission method for testing curved composite parts

Ultrasonic transmission method for testing curved composite parts

Numerical Investigations of Ultrasonic Scattering from Voids in Composite Materials Based on Random Void Model

Research on Microscopic CFRP Stochastic Pore Model Based on Pore Morphology

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