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Hire Dr. Sujoy Krishna C.

India

USD 200 /hr

Expert in Metallurgical and Materials Engineering.

Profile Summary

Experience: 1) Post Doctoral Fellow at WPI, MA, USA from 2002-2004. 2) Research Scientist at WPI, MA, USA from 2004-2007. 3) Lead failure analyst, supply base development, and research and development of advanced materials for turbochargers at Honeywell, CA, USA from 2007-2013 4) Professor at Indus University, Gujarat, India, since 2013. Technical skills: I have full expertise in handling following instruments and analyze results: • Microscopy (TEM, SEM, Optical) and Image Analysis • Twin jet polisher and focus ion bean milling for TEM sample preparation • Optical Emission Spectrometer (Chemical Analysis) • Thermal Electrical Resistivity • Thermal Conductivity • Differential Scanning Calorimeter • Instron Universal Testing Machine (fatigue (including trampoline test), tensile, and compression) • Hardness Tester (Vickers, Brinell and Rockwell) • High temperature wear testing • Non-destructive inspections (Fluorescent penetrant inspection) • X-ray diffraction Key project completed at Honeywell are: • Development of linear friction welding for shaft wheel assemblies • Development of trampoline test to qualify turbine wheels in lieu of on-engine test • Residual stress mapping in electron beam welded shaft wheel assemblies using neutron diffraction method – in collaboration with ORNL, TN, USA • Evaluate performance of CFC8-Plus alloy for turbine housing applications at temperature above 750C – in collaboration with ORNL, TN, USA • Superior wear resistance material for various AVNT applications such as vane and ring in turbocharger. • High performance compressor wheel from Melt Spun AA8009 • Development of coating in lieu of nitriding for superior wear and corrosion resistance at temperature above 700C and below 300C • Alloy design and optimization using simulation software – JmatPro and Pandat • Studies on fatigue and tensile behavior of Ni base superalloy • Oxidation behavior of turbine stage materials in moisture enriched environment – in collaboration with ORNL, TN, USA • Development of grain refined Ni base super alloy for high stress turbine wheel applications • Fatigue crack propagation study of high Si-Mo ductile cast iron • Equal channel angular extrusion of 2618 Al alloys • Development of Titanium aluminide for turbine wheel application • Optimization of heat treatment using fluidized bed reactors, funded by ACRC consortium members at WPI, MA, USA. Several papers have been published in international journals and conferences. • Fatigue Performance of Fluidized Bed Heat treated Castings, funded by ACRC consortium members at WPI, MA, USA. Several papers have been published in international journals and conferences. • High temperature carburization of steel using Vacuum/plasma, funded by US- DoE at WPI, MA, USA • Development of Al based metal matrix composite through spray forming, funded by National Metallurgical Laboratory, Jamshedpur, India. Several papers have been published in international journals and conferences and a patent was granted. Consultancy projects • Development of mixed metal powder for making diamond polishing wheel (Thermal spray coating) •• Complexities in forging of Ti (Grade 5) alloy for medical applications (in progress), sponsored by Maharani Medi-Care Pvt. Ltd., Ahmedabad, India • Evaluate mechanical properties of Metal/Ceramics Matrix Composites, sponsored by US, Department of Energy • Computer simulation of mass and heat flow of a modified extruder process sponsored by IBC Corporation • Alloy Development, sponsored by Aluminium Rheinfelden, Germany

Subject Matter Expertise

• ★ Materials Science & Engineering
• ★ Metallurgy
• ★ Corrosion
• ☆ Tribology

Services

• Writing
• Research
• Consulting
• Product Development

Writing Technical Writing

Research Feasibility Study, Fact Checking, Gray Literature Search, Systematic Literature Review

Consulting Scientific and Technical Consulting

Product Development Formulation

Work Experience

Professor, Department of Materials and Metallurgical Engineering

Indus University

August 2013 - Present

Engineer

Honeywell International, CA, USA

October 2007 - July 2013

Research Scientist

Worcester Polytechnic Institute, MA, USA

April 2004 - March 2007

Post Doctoral fellow

Worcester Polytechnic Institute, MA, USA

April 2002 - April 2004

Education

Ph.D. (Metallurgical and Materials Engineering)

Indian Institute of Technology, Kharagpur, India

August 1999 - April 2002

M.Tech. (Materials Technology)

Banaras Hindu University, Varanasi, India

August 1996 - August 1998

M.Sc. (Physics)

Banaras Hindu University, Varanasi, India

August 1994 - August 1996

B.Sc. (Physics)

Banaras Hindu University, Varanasi, India

August 1991 - August 1994

Certifications

• Certification details not provided.

Publications

JOURNAL ARTICLE

Meet C. Mehta, Durbadal Mandal, Sujoy K. Chaudhury(2020). Microstructural Changes and Quality Improvement of Al7Si0.2Mg (356) Alloy by Die Vibration . International Journal of Metalcasting. 14. (4). p. 987--998. Springer Science and Business Media {LLC}