P SAI KARTHIK
Researcher
Hyderabad
Summary
A researcher with nearly 8 years of work in powder making & consolidation, mechanical & microstructural characterization preceded by 2 years of work in stainless steel forging shop. Contributed to success in the development of propellant grade ultra-fine Al powder and quality improvement in stainless steel forgings. Possess good communication and mathematical skills backed by training in Mechanical and Metallurgical sciences.
Overview
1
1
Language
8
8
years of post-secondary education
10
10
years of professional experience
Work History
Project Scientist-B
ARCI
Hyderabad, Telangana
10.2013 - Current
- Development of oxide dispersion strengthened (ODS) austenitic steel for high temperature applications;.
- Production of ODS-RAFM powder (160 kg) through inert gas atomization and mechanical alloying for making fusion reactor plates.
- Development and production of propellant grade Al powder through RF Induction Plasma; and supplying it to DRDO for field testing.
- Hands-on experience with processing and characterization equipment:.
- Vacuum induction melter: Fe-P, Fe-Mn, Fe-Mn-Si, alloys were made.
- Powder making: inert gas atomizer (high purity spherical powders of Fe-Cr, Fe-Al alloys, Ti-Cu alloy), high energy ball mills, planetary ball mills, radio frequency induction plasma (ultra-fine Al powders).
- Powder Consolidation: spark plasma sintering, hot upset forging and extrusion.
- Heat treatment: vacuum or controlled atmosphere furnace.
- Characterization: optical microscope, scanning electron microscope, hardness, and tensile testing.
Junior Manager
Viraj Profiles Limited
Boisar, Maharashtra
08.2011 - 10.2013
- Quality Control in stainless Steel (SS) forging shop.
- Drafted and implemented standard operating procedure (SOP) to produce SS flanges & round bar.
- Initiated pre-dispatch inspection to ensure the delivery of order as per customer requirements.
- Minimized the customer complaints and compensation paid against them.
Education
M.Tech - Metallurgical Engineering
IIT Roorkee
Uttarakhand, India 07.2009 - 07.2011
B.Tech - Mechanical Engineering
JNTU Anantapur
Andhra Pradesh, India 11.2005 - 05.2009
Intermediate Public Examination - Maths-Physics-Chemistry
Board of Intermediate Education
Andhra Pradesh 06.2002 - 03.2004
Secondary School Certificate - Languages, Mathematics And Sciences
Board of Secondary Education
Andhra Pradesh 06.2001 - 03.2002
Skills
Communication Skills
undefinedPublications/Conference Presentations
1) P. Sai Karthik, S.B. Chandrasekhar, D. Chakravarty, P.V.V. Srinivas, V.S.K. Chakravadhanula, T.N. Rao, "Propellant grade ultrafine aluminum powder by RF induction plasma" Advanced Powder Technology 29 (2018) 804–812.
2) P. Sai Karthik, S B Chandrasekhar, K Satya Prasad, A V Reddy, R Vijay, "Oxide Dispersion Strengthened Austenitic Steel for High Temperature Applications"- Paper presented at International Symposium on Meta Stable, Nanostructured and Amorphous Materials, ISMANAM-2019 organized by IIT Madras.
3) S.Ganesh P. Sai Karthik, M.Ramakrishna, A.V.Reddy, S.B.Chandrasekhar, R.Vijay, "Ultra–high strength oxide dispersion strengthened austenitic steel", MSE A 814 (2021) 141192.
4) Ramya Sree Ganji , P. Sai Karthik, K. Bhanu Sankara Rao, Koteswararao V. Rajulapati, "Strengthening mechanisms in equiatomic ultrafine grained AlCoCrCuFeNi high-entropy alloy studied by micro- and nanoindentation methods"Acta Materialia 125 (2017) 58-68.
5) Deekshith G.Kalali, SairamAntharama, MohsinHasan, P. Sai Karthik, P. Sudharshan Phani, K.Bhanu Sankara Rao Koteswararao V.Rajulapati, "On the origins of ultra-high hardness and strain gradient plasticity in multi-phase nanocrystalline MoNbTaTiW based refractory high-entropy alloy", Materials Science and Engineering: A 812 (2021) 141098.
6) Abhijit, J. Varghese, P. Chalavadi, P. Sai Karthik, K. Bhanu Sankara Rao, K. V. Rajulapati, "Negative Strain Rate Sensitivity in Two-Phase Nanocrystalline CoCrFeMnNi High-Entropy Alloy with Broader Grain Size Distribution Studied by Nanoindentation "Trans Indian Inst Met (2019) 72(10):2861–2867".
Timeline
Project Scientist-B
ARCI
10.2013 - Current
Junior Manager
Viraj Profiles Limited
08.2011 - 10.2013
M.Tech - Metallurgical Engineering
IIT Roorkee
07.2009 - 07.2011
B.Tech - Mechanical Engineering
JNTU Anantapur
11.2005 - 05.2009
Intermediate Public Examination - Maths-Physics-Chemistry
Board of Intermediate Education
06.2002 - 03.2004
Secondary School Certificate - Languages, Mathematics And Sciences
Board of Secondary Education
06.2001 - 03.2002
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