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Effect of mechanical mismatch on the stress intensity factors of inclined cracks under mode I tension loading

Azlan , Mohd Azwir and Ismail, Al Emran (2014) Effect of mechanical mismatch on the stress intensity factors of inclined cracks under mode I tension loading. In: International Integrated Engineering Summit (IIES 2014), 1-4 December 2014, Universiti Tun Hussein Onn Malaysia, Johor.

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Abstract

This paper presents numerical analysis of stress intensity factors (SIFs) of inclined cracks due to mechanical mismatches. According to literature survey, tremendous amounts of SIFs can be found elsewhere. However, the SIFs for inclined cracks are difficult to obtain especially when mechanical mismatch at the crack interface are considered. ANSYS finite element program is used to model the cracks embedded in plain strain plates. The cracks are oriented at the interface between two different materials and subjected to mode I tension loading. It is showed that when mechanical mismatches are introduced the mode I SIFs reduced and on the other hand mode II SIFs increased. When the cracks are inclined, the mode I SIFs diverged but it is not for mode II SIFs and gradually increased when compared with the normal cracks

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: mechanical mismatch; stress intensity factors; inclined cracks; mode I loading
Subjects: T Technology > TA Engineering (General). Civil engineering (General) > TA401-492 Materials of engineering and construction. Mechanics of materials
Divisions: Faculty of Mechanical and Manufacturing Engineering > Department of Materials Engineering and Design
Depositing User: Mrs. Nurhayati Ali
Date Deposited: 03 Mar 2015 07:48
Last Modified: 31 May 2015 08:06
URI: http://eprints.uthm.edu.my/id/eprint/6356
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