T
T. Rajasekharan
Researcher at Rajiv Gandhi University of Knowledge Technologies
Publications - 21
Citations - 358
T. Rajasekharan is an academic researcher from Rajiv Gandhi University of Knowledge Technologies. The author has contributed to research in topics: Nanoparticle & Flux pinning. The author has an hindex of 13, co-authored 21 publications receiving 324 citations. Previous affiliations of T. Rajasekharan include University of Hyderabad & Defence Metallurgical Research Laboratory.
Papers
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Unprecedented current density to high fields in YBa2Cu3O7 − δ superconductor through nano-defects generated by preform optimization in infiltration growth process
TL;DR: In this paper, the authors reported record high current densities of 230 kA cm − 2 at zero field, and in excess of 10kA cm−2 up to 7 T at 77 K, in YBa2Cu3O7 − δ (Y-123) superconductors fabricated by a modified infiltration growth (IG) process.
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Elastic modulus of Al–Si/SiC metal matrix composites as a function of volume fraction
Sanjeev Kumar,Sanjeev Kumar,V. Seshu Bai,K. V. Rajkumar,G. K. Sharma,T. Jayakumar,T. Rajasekharan +6 more
TL;DR: In this paper, the elastic moduli of the composites were determined from ultrasonic velocities and were analyzed as a function of the volume fraction of the reinforcement, and the observed variation was discussed in the context of existing theoretical models for the effective elastic modulus of two-phase systems.
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Mechanical properties of SiCp/Al2O3 ceramic matrix composites prepared by directed oxidation of an aluminum alloy
TL;DR: In this paper, a SiC p /Al 2 O 3 ceramic matrix composites were investigated for mechanical properties such as flexural strength, fracture toughness and hardness; the composite specimens were evaluated using standard procedures recommended by the ASTM.
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Preform optimization in infiltration growth process: An efficient method to improve the superconducting properties of YBa2Cu3O7−δ
TL;DR: In this paper, the effect of compaction pressure applied to the Y 2 BaCuO 5 (Y-211) preform during its fabrication, on the final microstructures and current densities (J c ) is investigated.
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Aluminium matrix composites by pressureless infiltration: the metallurgical and physical properties
TL;DR: In this paper, the properties of metal matrix composites were characterized for phase composition, microstructure, density, porosity and coefficients of thermal expansion, and the results were compared with existing models on the behaviour of macroscopic properties of composite materials.