Mechanical characterization of CFRP composites by ultrasonic immersion tests: Experimental and numerical approaches

被引：83

作者：

Castellano, Anna ^{[1
]}

Foti, Pilade ^{[1
]}

Fraddosio, Aguinaldo ^{[1
]}

Marzano, Salvatore ^{[1
]}

Piccioni, Mario Daniele ^{[1
]}

机构：

[1] Politecn Bari, Dipartimento Sci Ingn Civile & Architettura, Bari, Italy

来源：

COMPOSITES PART B-ENGINEERING | 2014年 / 66卷

关键词：

Carbon fiber; Mechanical properties; Elasticity; Anisotropy; Finite element analysis (FEA); Non-destructive testing; Ultrasonics; FLUID-SOLID INTERFACE; ELASTIC-CONSTANTS; ANISOTROPIC MATERIALS; VELOCITY-MEASUREMENTS; WAVE-PROPAGATION; TRANSMISSION; MODULI; TENSOR; MEDIA;

D O I：

10.1016/j.compositesb.2014.04.024

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We study an innovative experimental approach for the characterization of the elastic response of anisotropic composite materials by ultrasonic immersion tests. In particular, the class of anisotropy and the elastic moduli can be determined starting from measurements of the velocities of ultrasonic waves propagating in suitable directions. To this aim, we have designed and developed a goniometric ultrasonic test bench and a software for the management of the test and the processing of the acquired data. By employing this experimental device, we determine in a non-destructive way the five elastic moduli of a transversely isotropic unidirectional CFRP composite. The experimental analyses are supported by numerical simulations, which are useful for a deeper insight of the propagation phenomena and for enhancing the experimental strategies to be adopted. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：299 / 310

页数：12

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