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A review on formability prediction and constitutive damage models of sheet forming of magnesium alloys

Farouk, M. and Mohamed, M. (2016) A review on formability prediction and constitutive damage models of sheet forming of magnesium alloys. In: 17th International Conference on Applied Mechanics and Mechanical Engineering, 2016-04-19 - 2016-04-21, Military Technical College.

Text (Farouk-Mohamed-AMME-2016-constitutive-damage-models-of-sheet-forming-of-magnesium-alloys)
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    In recent years, the demand for using magnesium (Mg) alloys has significantly increased in several industrial fields. Due to their favorable strength/weight ratio thus Mg alloy demonstrating a valid replacement for aluminum alloys and High Strength Steels particularly for the production of lightweight parts in aerospace and automotive industries. However the formability of Mg at cold forming conditions is significantly poor and determination of the material formability need special testing procedures and understanding of material failure mechanism. FLD is commonly used to characterize the formability of materials and the key feature of FLD is the forming limit curve (FLC). This paper provides a review on the determination of strain-based and stress-based forming limit diagrams is introduced in this paper. In addition, the constitutive damage models for predicting and characterizing the forming limits of magnesium alloy sheet metals under a wide range of forming conditions at both industrial and scientific level.