Browsing Department of Physics by Issue Date

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Stability of mechanically alloyed Al70Cu15Ni 15 alloy during annealing

Yadav, T.P.; Mukhopadhyay, N.K.; Tiwari, R.S.; Srivastava, O.N. (Institute of Physics Publishing, 2010)

A nano τ3 vacancy-ordered phase in the Al-Cu-Ni alloy system has been synthesized with a composition close to Al70Cu 15Ni15 by mechanical alloying a mixture of elemental powder in a high-energy ball mill by varying milling ...
Evolution and structural transition of quasicrystalline phases in Al-Fe-Cu-Cr and Al-Fe-Cu-Mn alloys during high energy ball milling

Yadav, T.P.; Mukhopadhyay, N.K.; Tiwari, R.S.; Srivastava, O.N. (Institute of Physics Publishing, 2010)

The main objective of the current work was to investigate the transformation mechanism in quasicrystals during mechanical alloying/milling. The quasicrystalline phases have been synthesized by melting the individual elements ...
A newman penrose approach to Bertrand spacetime in general relativity

Jeevitha, T.U.; Raibagkar, P.; Das, S. (IOP Publishing Ltd, 2020-09-09)

Newman Penrose (NP) formalism is a new approach to general relativity was presented. In various geometrical groups are estimate on a chosen null tetrad basis for tetrad formalism. This approach widely used in analytical ...

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