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Non Ferrous Alloys

Amongst all the upcoming new age non-ferrous materials, magnesium (Mg) has captured a lion’s share of the limelight because of its excellent specific mechanical properties owing to a low density of 1.74 g/cc. Application of such lightweight materials for structural purposes reduces consumption of power due to low load requirements. However, use of Mg-based alloys is still constrained by the metal’s poor room temperature ductility, inadequate creep resistance and excessive susceptibility towards environmental degradation. In our group, the focus for developing Mg-based alloys is diverged keeping two major application fields in mind: biomedical and automotive. For the biomedical field, we take advantage of the low elastic modulus (~45 GPa) of Mg and try to achieve a balance between mechanical properties and controlled degradation. For the automotive sectors, we attempt to develop economical alloys with improved elevated temperature performance in terms of creep and oxidation resistance. Additionally, our group has indigenously developed a novel cost-effective ‘hard plate hot forging’ (HPHF) method for thermomechanically processing the developed Mg alloys, which are difficult to deform to sufficient degree through conventional methods.

Recent Publications

  • P. Duley et al.  Materials & Design, 164 (2018) 107554. (Click to view)

  • S. Sanyal et al. Journal of Alloys and Compounds, 800 (2019) 343-354. (Click to view)

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