Assessment of fatigue crack growth data available for materials from Portuguese bridges based on UniGrow model

• Type: Article in International Conference Proceedings Book
• Date: 2011

Authors

Abdullah, NN (Author) Other; Correia, JFO (Author) Other; De Jesus, AMP (Author) Other; Hafezi, MH (Author) Other; Abdullah, S (Author) Other

Conference proceedings International

Title: 11TH INTERNATIONAL CONFERENCE ON THE MECHANICAL BEHAVIOR OF MATERIALS (ICM11)

Pages: 971-976

11th International Conference on the Mechanical Behavior of Materials (ICM)

Como, ITALY, 2011

Indexing

ISI Web of Knowledge - 3 Citations

Scopus - 3 Citations

Other information

Authenticus ID: P-008-0CC

DOI: 10.1016/j.proeng.2011.04.160

Abstract (EN): Fatigue crack growth models based on elastic-plastic stress-strain histories at the crack tip region and strain-life damage models have been proposed. The UniGrow model fits this particular class of fatigue crack propagation models. The residual stresses developed at the crack tip play a central role in these models, since they are used to assess the actual crack driving force, taking into account mean stress and loading sequential effects. The performance of the UniGrow model is assessed based on available experimental constant amplitude crack propagation data, derived for several metallic materials from representative Portuguese bridges. Key issues in fatigue crack growth prediction, using the UniGrow model, are discussed, in particular the residual stress computation. (C) 2011 Published by Elsevier Ltd. Selection and peer-review under responsibility of ICM11

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6