CSIR-Central Glass & Ceramic Research Institute

Dr. H. S. Tripathi
Senior Principal Scientist & Head

Refractories and Traditional Ceramics Division

Phone: (033) 2473 3496 (Ex. 3480)
FAX: +91-33-24730957
E-mail: hstripathi@cgcri.res.in,
hstripathi@hotmail.com

B.Sc. (Chemistry Hons.), University of Calcutta
B.Tech. (Ceramic Engineering), University of Calcutta
M.Tech.. (Ceramic Engineering), University of Calcutta
Ph.D (Tech.), Ceramic Engineering, University of Calcutta

Dr. Tripathi joined CSIR-CGCRI on December 1997

Research Interest

Materials science and engineering with special reference to ceramics and refractories including synthesis and processing of high performance synthetic refractory raw materials, refractory processing and characterization in particular magnesia-carbon, mullite, Al₂O₃-MgO-MgAl₂O₄, mag-chrome system and value addition to natural raw materials like bauxite, magnesite, sillimanite etc. and ramming mass for induction furnace.

Professional Career

Organisation	Position Held	Duration
CSIR-CGCRI, Kolkata	Senior Principal Scientist	2015 onwards
CSIR-CGCRI, Kolkata	Principal Scientist	2011 -2014
CSIR-CGCRI, Kolkata	Scientist B To Scientist E1	1997 - 2010
Imperial College London	Raman Research Fellow	June - Sept 2010
Boston University, Massachusetts, USA	Post Doctoral Fellow	2003-2005

Awards/Recognition

Hony Editor, Transaction of the Indian Ceramic Society (2019-20)
Visiting Professor, Wuhan University of Science & Technology, Wuhan, China(April 2019 –April 2021)
Refractory Technologist Award-2018 from Indian Ceramic Society
Deokaran Award from Indian Ceramic Society (2015)
Hony Editor, Indoceram of AIPMA
Raman Research Fellowship 2010-11
Fellow, Indian Institute of Ceramics, 2009
Associate Editor - Transactions of the Indian Ceramic Society from 2009
Malaviya award for basic ceramic science from Indian Ceramic Society (2008)
Post Doctoral Fellowship from Boston University, Massachusetts, USA (2003-2005).
Best Poster Paper Award in India International Refractory Congress (Year 2002, 2010)
Best Poster Paper Award in National Seminar on Refractories and Furnaces (Year 2000)

Membership in Organisational/National /International Committees

Vice President, Indian Institute of Ceramics
Member for the Refractories Sectional Committee of Bureau of Indian Standard (MTD 15) 2015 onwards.
Member, Metallurgical Engineering Division Council of Bureau of Indian Standard (MTDC) 2016 onwards
Member, Bureau of Indian Standard for Ceramic Ware Sectional Committee (CHD9) 2010 onwards.
Organising Secretary of 2nd International Conferences on Alumina & Other Functional Ceramics (AOFC-2017)
Member, Technical Committee of Indian Refractory Makers Association (IRMA)
Technical committee member of India International Refractory Congress (IREFCON 18, IREFCON 20)
Life member, Indian Institute of Metals
Life Member, Indian Ceramic Society
Life member, Millennium Institute of Energy & Environment Management
Life Member, Electron Microscope Society of India

Selected Publications

Summary: in SCI Journal Papers = 53; in Conference Procedings = 35; Books/Monographs = 2;
Selected Papers:

Thermo-mechanical stability of bulk (Al1-xCrx)2O3 solid solution, M. Nath, P. Kumar, S. Song, Y. Li, H. S. Tripathi; Ceram. Int. 44, 12411-12416 (2019)
Enhancement of reaction-sintering of alumina-excess magnesium aluminate spinel in presence of titania, S. Sinhamahapatra, K. Dana, H.S. Tripathi, Ceram. Int. 44, 10773-10780 (2018)
Improvement in thermo-mechanical properties of off-grade natural magnesite by addition of Y2O3, P. Kumar, M. Nath, U. Roy, A. Ghosh & H. S. Tripathi, Int. J. Appl. Ceram. Technol., 14, 1197–1205 (2017)
Anomalous densification behavior of Al2O3–Cr2O3 system, M. Nath, P. Kumar, A.V. Maldhure, S. Sinhamahapatra, K. Dana, A. Ghosh & H.S. Tripathi, Mater. Charact. 111, 8-13 (2016)
Hot corrosion behaviour of Al2O3–Cr2O3 refractory by molten glass at 1200°C under static condition, M. Nath, A. Ghosh & H. S. Tripathi, Corrosion Science. 102, 153-160 (2016)

.....full list

Patents filed / Granted
Indian : 6

A cost efficient process for the production of dense high alumina refractory aggregates from sillimanite sand, H. S. Tripathi, U. Roy & A. Ghosh, Patent application submitted (Ref. No.0089NF2016)
A novel process for the preparation of hydration resistant Lime, P.S. Mukherjee. R. K. Galgali, J. L. Gumaste, B. K. Mishra, H. S. Maiti, B. Mukherjee, A. Ghosh, H. S. Tripathi, Patent Application No: 1119/DEL/08, Date of filing: 02/05/2008 (Patent No. IN269921, Seal: 20/11/2015)
A process for the production of value added refractory aggregates from low grade bauxite and value added refractory aggregates produced thereby, H. S. Tripathi, B. Mukherjee, A. Ghosh, M. K. Haldar & H. S. Maiti , Indian Patent Application No: 780/DEL/08, Date of filing: 26/03/2008. (Patent No. IN281457, Seal: 23/04/2017)
A process for the manufacture of dense high alumina refractory aggregate from sillimanite sand based minerals, H. S. Tripathi, A. Ghosh, S. K. Das & B. Mukherjee, Patent Application No: 221/DEL/03, Date of filing: 05/03/2003. (Patent No. IN235106, Seal: 31/07/2009)
A process for the production of dense alumina rich magnesium aluminate spinel useful as refractory aggregates, A. Ghosh, B. Mukherjee, H. S. Tripathi, M. K. Halder, S. K. Das & H. S. Maiti, Indian Patent Application No: 86/DEL/02, Date of filing: 31/01/2002 (Patent No. IN215810, Seal: 03/03/2008)
A process for the production of magnesite-chrome aggregates useful as refractory material, A. Ghosh, B. Mukherjee, M. K. Halder, H. S. Tripathi, J. R. Biswas & S. K. Das, Indian Patent Application No: 87/DEL/02, Date of filing: 31/01/2002 (Patent No. IN215626, Seal: 28/02/2008).

Landmark Research Contribution

Developed various high alumina aggregates form the sillimanite and zircon beach sands an Industrial by-product available in India.
Worked on Indian bauxite, magnesite and developed refractory aggregate without beneficiation route.
Developed MgO-C bricks for LD Converter with improved life
Technology know-how on Mag-Chrome aggregates from friable chrome ore transferred to industry.
Developed basic ramming mass for induction furnace enabling refining of steel.

PhD Supervision

Degree Awarded: 2
Thesis submitted: 1
On-going : 2