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Document Type |
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Article In Journal |
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Document Title |
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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 |
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Subject |
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Mechanical Engineering |
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Document Language |
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English |
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Abstract |
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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. |
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ISSN |
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1319-1047 |
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Journal Name |
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Engineering Sciences Journal |
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Volume |
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18 |
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Issue Number |
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1 |
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Publishing Year |
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1428 AH
2007 AD |
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Number Of Pages |
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14 |
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Article Type |
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Article |
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Added Date |
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Sunday, October 11, 2009 |
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