Recent: Nano-technology-driven Interventions in Bio-lubricant's Tribology for Sustainability, Book: Green Tribology

Research

Experimental investigations and Modeling of Mechanical micro-fabrication techniques and hybrid processes.
Surface modification using different micro/nano fabrication techniques or hybrid techniques.
Functional micro-textured surface fabrication and characterization.
Surface wettability and bio-tribology of biomedical implants.
Metal matrix composites (MMC’s) fabrication and its tribological characteristics.
Finite element method (FEM) and hybrid approach of cutting force modeling.
Phase-change heat transfer enhancement though surface modification.
Multi-objective optimization of machining process parameters.

Experimental investigations of mechanical micro-fabrication techniques (micro flat-end milling, micro ball-end milling and micro drilling) for fabrication of different micro-textured surfaces on Ti-6Al-4V.
Optimization of machining process parameters for the fabrication of precise micro-textured surfaces.
Functional characterization of micro-textured surfaces with different shapes and configurations (surface wettability enhancement, bio-tribological performance improvement in terms of reduction in coefficient of friction and wear of biomedical implants).
Optimization of micro-texture surface parameters for improved wettability, friction and wear.
Finite element method (FEM) based modeling for prediction of cutting forces in micro-end milling.

Mechanical micro-texturing for improved wettability and bio-tribological performances

Graphical abstract of the proposed mechanical micro-texturing for improved wettability and bio-tribological performances

Different micro-textured configurations fabricated at Micro-fabrication Laboratory

(a) Microscopic top view of water droplet resting on the untextured and micro-textured surfaces and

(b) Advancing and receding contact angles measurements from side view of the droplet

SEM image of worn surfaces of different textured patterns after bio-tribological test (a) NTS (b) MFETS (c) MBETS (d) MDTS.

Fabrication of AA6082 + SiCp metal matrix composites (MMC’s) using powder metallurgy.
Mechanical and tribological characterization of the AA6082 + SiCp MMC’s.
Multi-objective optimization using Grey relation analysis (GRA) for the enhancement in coefficient of frictional and wear characteristics of AA6082 + SiCp MMC’s.

Design and development of energy efficient nozzle shaped air cooler and its performance analysis.

Design and development of liquid petroleum gas (LPG) indicator - An innovative means of measuring LPG level (Dedicated to the rural sectors where the LPG transportation was the major concern).
Design and fabrication of manual rice transplant machine.

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