Osama Terfas- PhD
- Professor at University of Tripoli
Osama Terfas
- PhD
- Professor at University of Tripoli
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8
Publications
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Introduction
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Publications
Publications (8)
Pressure vessels are usually operating at temperatures where the conditions of linear elastic fracture mechanics are no longer met because massive plasticity precedes crack propagation. In this work the development of a surface crack in a pressure vessel subject to bending and tension under elastic-plastic fracture mechanics conditions was investig...
The stress intensity concept is important in terms of crack extension as critical values of the stress intensity factors govern crack initiation. Therefore, the present work determines stress intensity factors for semielliptical shallow and deep surface cracks as a function of parametric angle, crack depth, and aspect ratio for tension and bending...
![Figure 7 Notch and crack plane direction in welded joint [12].](publication/371520317/figure/fig2/AS:11431281167484866@1686661662635/Notch-and-crack-plane-direction-in-welded-joint-12_Q320.jpg)
Strength and toughness of steel are the most desirable mechanical properties required in several engineering applications such as marine and oil industries. In this work, the influence of submerged arc welding (SAW) process on the evolution of microstructure and mechanical properties of locally produced low carbon steel plates that is used by Marin...
![Figure 7 Notch and crack plane direction in welded joint [12].](profile/Osama-Terfas/publication/363730376/figure/fig2/AS:11431281085612691@1663792140982/Notch-and-crack-plane-direction-in-welded-joint-12_Q320.jpg)
Strength and toughness of steel are the most desirable mechanical properties required in several engineering applications such as marine and oil industries. In this work, the influence of submerged arc welding (SAW) process on the evolution of microstructure and mechanical properties of locally produced low carbon steel plates that is used by Marin...
Blended learning is widely adopted as an effective approach to develop the traditional teaching style, and to fulfill the satisfaction of learners, students, and institutions. Therefore, this paper discusses the effectiveness of blended learning with learning management systems (LMS) implications in higher engineering education. Blended learning co...
In this work, the mechanical response of high density polyethylene (HDPE) to complex uniaxial tensile loadings is firstly characterized experimentally, taking into account the damage occurring in large deformation and the initial anisotropy induced by the forming process. Anisotropic effects are characterized through tensile tests using several com...
