Deformation and Fracture of Some Aluminium-magnesium Alloys Under Impact Compressive Loading PDF Download
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Author: Mohamed Ibrahim Hamed
Publisher:
ISBN:
Category : Aluminum-coper-magnesium alloys
Languages : en
Pages : 212
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Book Description
Author: Mohamed Ibrahim Hamed
Publisher:
ISBN:
Category : Aluminum-coper-magnesium alloys
Languages : en
Pages : 212
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Book Description
Author: Hanadi A. Ghoneim
Publisher:
ISBN:
Category : Zinc alloys
Languages : en
Pages : 340
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Book Description
Author: Samir Mokhtar Biblawi
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 116
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Book Description
Author: Abla Mahmoud Zayed
Publisher:
ISBN:
Category : Alloys
Languages : en
Pages : 158
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Book Description
Author: Zaki Ahmad
Publisher: BoD – Books on Demand
ISBN: 9533077344
Category : Technology & Engineering
Languages : en
Pages : 532
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Book Description
In the recent decade a quantum leap has been made in production of aluminum alloys and new techniques of casting, forming, welding and surface modification have been evolved to improve the structural integrity of aluminum alloys. This book covers the essential need for the industrial and academic communities for update information. It would also be useful for entrepreneurs technocrats and all those interested in the production and the application of aluminum alloys and strategic structures. It would also help the instructors at senior and graduate level to support their text.
Author: Research Group for Study on the Deformation and Fracture of High Strength Aluminium Alloys with special Reference to High Temperature
Publisher:
ISBN:
Category : Aluminum alloys
Languages : en
Pages : 257
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Book Description
Author: Light Metal Educational Foundation. Ōsaka. Research Group for the Study on the Deformation and Fracture of High Strength Aluminium Alloys with Special Reference to High Temperature
Publisher:
ISBN:
Category :
Languages : en
Pages : 258
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Book Description
Author: Frank Emanuel Hauser
Publisher:
ISBN:
Category : Deformations (Mechanics)
Languages : en
Pages : 244
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Book Description
Author: David Stewart Saunders
Publisher:
ISBN:
Category : Aluminium-magnesium-silicon alloys
Languages : en
Pages :
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Book Description
Author: Saadi Habib
Publisher:
ISBN:
Category :
Languages : en
Pages : 352
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Book Description
Magnesium alloys have been at the forefront as possible alternatives to conventional materials such as aluminum and steel for their high specific-strength. However, magnesium alloys exhibit anisotropy, tension-compression asymmetry, and quasi-brittle fracture at ambient temperature, which is exacerbated at high strain rates. It is well known that alloying with rare-earth elements can improve the low uniaxial ductility in comparison with conventional magnesium alloys. Therefore, the mechanical response and texture evolution of a rare-earth-containing magnesium alloy sheet, ZEK100, are investigated under different loading conditions to characterize the anisotropy, tension-compression asymmetry, strain rate sensitivity and thermomechanical response. A reduced-order crystal plasticity model that defines extension twinning, basal a slip, and non-basal slip as the deformation mechanisms, is used to model the experimental results and to give an insight in the active deformation mechanism. In addition, the fracture behavior of ZEK100 is also investigated at different stress states and strain rates. A variety of sample geometries loaded along different processing directions are used to achieve different stress states and deformation mechanisms. Surface strain maps for all the specimens are measured using the digital image correlation (DIC) technique to quantify the strain at fracture. ZEK100 exhibits larger strain at fracture across the gage section of the test specimens aligned with the transverse direction (TD) than specimens aligned with the rolling direction (RD); however, the opposite is shown for the local strain measurements at fracture. Therefore, the crystal plasticity model is used to simulate each loading condition to understand the anisotropic ductile fracture behavior of ZEK100. Using the stress states and deformation mechanisms from the simulations, a novel anisotropic criterion is developed which is an extension of the Hosford-Coulomb (HC) fracture model. The new anisotropic criterion accounts for the role of different deformation mechanisms on the anisotropic fracture response of ZEK100.
