Evaluation of Impact Damage in Composite Structures Using Ultrasonic Testing-Reference-Cited by-同舟云学术

Evaluation of Impact Damage in Composite Structures Using Ultrasonic Testing

Published:2018-12-01 Issue:10 Volume:2018 Page:82-92
ISSN:2300-7591
Container-title:Fatigue of Aircraft Structures
language:en
Short-container-title:

Author:

Wronkowicz-Katunin Angelika¹,Dragan Krzysztof²

Affiliation:

1. Silesian University of Technology , Institute of Fundamentals of Machinery Design , Konarskiego 18A, 44-100 Gliwice , Poland

2. Air Force Institute of Technology , Laboratory of Non-Destructive Testing , Ks. Bolesława 6, 01-494 Warsaw , Poland

Abstract

Abstract Barely visible impact damage is one of the problems commonly occurring in composite elements during an aircraft operation. The authors described the mechanisms of impact damage formation and propagation in composite structures. The paper presents a performed analysis of an influence of impact parameters on the resulting damage, i.e. its detectability by means of visual observation as well as its extent determined based on ultrasonic tests results. The tests were conducted on the CFRP specimens with a wide range of impact damage cases obtained with combinations of variable impact energy and shapes of impactors. Additionally, an algorithm based on image processing and image analysis methods is proposed for the purpose of the effective evaluation of the ultrasonic data obtained.

Publisher

Walter de Gruyter GmbH

Subject

Mechanics of Materials,Safety, Risk, Reliability and Quality,Aerospace Engineering,Civil and Structural Engineering

Link

https://www.sciendo.com/pdf/10.2478/fas-2018-0008

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