Multiple-site damage in riveted lap-joints: experimental simulation and finite element prediction

• Type: Article in International Scientific Journal
• Date: 2000

Authors

Lucas F. M. da Silva (Author) FEUP; J. P. M. Gonçalves (Author) Other; F. M. F. Oliveira (Author) Other; Paulo Tavares de Castro (Author) FEUP

Journal

Title: International Journal of Fatigue

Vol. 22 No. 4

Pages: 319-338

ISSN: 0142-1123

Publisher: Elsevier

Indexing

ISI Web of Knowledge - 43 Citations

Scopus - 90 Citations

Scientific classification

FOS: Engineering and technology > Mechanical engineering

Other information

Authenticus ID: P-001-0EF

DOI: 10.1016/s0142-1123(99)00129-2

Abstract (EN): The multiple-site damage (MSD) phenomenon is discussed, and exemplified by the behaviour of riveted lap-joint specimens of aluminium alloy 2024-T3 alclad. The tests performed, on which the paper is based, are part of the contribution of IDMEC to a project on the fatigue behaviour of ageing aeronautical structures-the BRITE-EURAM project 'SMAAC', partially funded by the European Union. The study involves fatigue testing under constant amplitude loading of 1.6-mm-thick riveted lap-joints, and includes examination of the specimens during and subsequent to testing (post-mortem analysis of the fracture surface in a scanning electron microscope) in order to determine the time of occurrence, location and extent of fatigue damage. Crack growth rates are determined from periodic crack length measurements with a travelling microscope. Stress measurements are made using extensometry and the SPATE infrared technique to determine loading distribution of the lap-joints and redistribution due to cracking of fastener holes. Data on the initiation and growth of cracks and on residual static strength are used to assess the predictive model based on the finite element method.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 20