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Document Details
Document Type
:
Article In Journal
Document Title
:
Three-Dimensional Finite Element Model for Evaluation the Stress Intensity Factors for Different Fracture Modes of Homogeneous Bimaterial
تحديد معامل كثافة الإجهادات لأنماط الكسور الثلاثة باستخدام تقنيات العناصر الصغيرة ثلثية البعد
Subject
:
Mechanical Engineering
Document Language
:
English
Abstract
:
The failure of cracked components is governed by the stresses in the vicinity of the crack tip. The singular stress contribution is characterized by stress intensity factors. The stress intensity factors depend on the geometry of the component and on loading condition. This paper addresses the evaluation of stress intensity factors (SIFs) of opening, shearing and tearing modes for compact tension specimens for bonding homogeneous materials. The aim of this work is to find the optimal pre-cracked length, crack notch radius and crack notch angle in order to eliminate the effect of them on the SIF and then on the Fracture toughness. To achieve this goal, a three-dimension finite element analysis (FEA) model using ANSYS program is constructed for specimens made of homogeneous materials such as stainless steel bonding with epoxy as a filler material. The effects of notch angle, notch tip radius and pre-crack length on the stress intensity factors are studied for different fracture modes. The results for the stress intensity factors KI , KII and KIII are obtained using linear elastic fracture mechanics (LEFM) approach.
ISSN
:
1319-1047
Journal Name
:
Engineering Sciences Journal
Volume
:
18
Issue Number
:
1
Publishing Year
:
1428 AH
2007 AD
Number Of Pages
:
14
Article Type
:
Article
Added Date
:
Sunday, October 11, 2009
Researchers
Researcher Name (Arabic)
Researcher Name (English)
Researcher Type
Dr Grade
Email
حسن سيد محمد هديه
H. S. Hedia
Researcher
سعد محمد رشيد الدوسري
S. M. Aldousari
Researcher
Files
File Name
Type
Description
23021.pdf
pdf
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