Research

Area of Interest:

  • 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.

PhD Research Work: (Thesis)

  • 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.

Master of Technology (Research Work)

Thesis:

  • 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.

Minor Projects:

  • Design and development of coffee vending machine with single canister.

  • Machining performance investigation in turning of AISI 1045 steel.

Bachelor of Engineering (Project Work)

Thesis:

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

Techno-social project:

  • 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.