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Investigation of Stress Intensity Factor at Compact Tension Specimen

Makhtar, Aini Munirah bt (2009) Investigation of Stress Intensity Factor at Compact Tension Specimen. UNIVERSITI TEKNOLOGI PETRONAS. (Unpublished)

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Abstract

Failure of structure and component happen due to propagation of crack. Determination of stress intensity factor is the effective tool to improve safety and reliability of the structure that containing cracks. Nowadays, there are various methods to investigate stress intensity factor such as experimental method, numerical method and empirical calculation. In this project, the author investigate stress intensity factor by using two methods which are numerical method (ANSYS) and empirical calculation at compact tension specimen. But due to complexity and high consuming time by using both of the methods, new method have to develop to solve these problems. So, the main objective of this project is to plot graphs that can be used to interpret value of stress intensity factor for different dimension of thickness, widths and cracks length for both methods. To achieve this objective the author had used numerical method based on ANSYS software and empirical calculation based on ASTM E399-90. For numerical method, the author utilized KSCON and KCALC command while in empirical method the author applied limit of validity by referring to ASTM E399-90. Both of the result compared and plotted in graphs. As an outcome, these graphs can be used to interpret stress intensity factor for both of the methods efficiently.

Item Type: Final Year Project
Subject: T Technology > TJ Mechanical engineering and machinery
Divisions: Engineering > Mechanical
Depositing User: Users 1278 not found.
Date Deposited: 02 Oct 2012 15:45
Last Modified: 25 Jan 2017 09:44
URI: http://utpedia.utp.edu.my/id/eprint/3812

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