Subjects Handled

Metallurgy & material science

Manufacturing processes

Modern maching processes

Aditive manufacturing technologies and applications

Research methodology and report writing

Research methodology and IPR

Productioin technology

Machine tools

Hydraullic machinery and systems

Power plant engineering.

Research Area

Materials and Metallurgy;

Welding and weldability aspects of different materials;

Non Traditional Machining and forming;

Composite materials.

Papers Published/Books Published

Publications - International journals

1. A. Rajasekhar, G.Madhusudan Reddy, T.Mohandas, and V.S.R.Murti “Microstructure, mechanical properties of AISI 431 electron beam welds - role of post weld heat treatments”, pp.434-441 “Steel Grips” , Journal of steel and related materials 5(2007) no.6.
2. A. Rajasekhar, G.Madhusudan Reddy, T.Mohan das, and V.S.R.Murti “Influence of post weld heat treatments on microstructure and mechanical properties of AISI 431 martensitic stainless steel friction welds”, pp.202-212 “Material Science and Technology”, 24(2), Feb’2008.
3. A. Rajasekhar, G.Madhusudan Reddy, T.Mohan das, and V.S.R.Murti “Influence of austenitizing temperature on microstructure and mechanical properties of AISI 431 martensitic stainless steel electron beam welds”, 1612-1624, International Journal “Materials and Design”, 30 (2009).
4. A. Rajasekhar, G.Madhusudan Reddy, and T.Mohan das, “Effect of single and double austenitization temperatures on micro-structure, mechanical properties and pitting corrosion of AISI 431 electron beam welds”, Proceedings of the Institution of Mechanical Engineers, Part-L “Journal of Materials: Design and Applications”, Professional Engineering Publishing Ltd, 
5. A. Rajasekhar, G.Madhusudan Reddy “Comparison of mechanical properties and microstructure features in EB and Friction welds of AISI 431 at different post weld heat treatments”, pp 439-445 “Steel Grips” , Journal of steel and related materials 10 (2012) .
6. G.Madhusudan Reddy and A. Rajasekhar “Microstructure and Mechanical Properties of 16Cr-2Ni Stainless Steel Fusion and Solid State Welds- Influence of Post Weld Treatments”, pp. 289-304, Advanced Materials Research, Vol 794(2013)
7. L.RajaMohan; G.Jagan Naik, Dr.A.Rajasekhar “Comparative Analysis of Mechanical Properties of Jute Fiber reinforced with E-glass using Epoxy and Semi-Rigid Epoxy Material”, International Journal of Mechanical Engineering and Advanced Automotive Technology Research, ISSN 2348-2370; Vol 03, Issue 01, Nov’2014, pages 427-430
8. R. Sai syam, Dr. A. Raja sekhar  “Optimization of High Speed Turning Parameters of Super Alloy Inconel 718 Material using Taguchi Technique”, International Journal of Mechanical Engineering and Advanced Automotive Technology Research, ISSN 2348-2370; Vol 03, Issue 01, Nov’2014, pages 431-436
9. Vishal admane,Dr.A.Raja sekhar “Determination of Effect of Die Radius on Deep Drawing Process using FEA Technique”, International Journal of Mechanical Engineering and Advanced Automotive Technology Research, ISSN 2348-2370; Vol 03, Issue 01, Nov’2014, pages 437-443
10. V. Madhusudhan Reddy, K. M. Abraham, Dr. A. Raja sekhar  “Influence of Cutting Fluids on the Carbide Tool Life in Milling Operation “,International Journal of Mechanical Engineering and Advanced Automotive Technology Research, ISSN 2348-2370; Vol 03, Issue 01, Nov’2014, pages 423-426
11. A.Rajasekhar “Influence of Microstructure on Mechanical Properties of Martensitic Stainless Steel Welds”, IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) Volume 12, Issue 2 Ver. VI (Mar - Apr. 2015), PP 05-10
12. A.Rajasekhar “Corrosion Behavior of Martensitic Stainless Steels – Role of Composition and Heat Treatment Procedures”, International Journal of Science and Research (IJSR) Volume 4 Issue 4, April 2015, PP 2795-2798  
13. A.Rajasekhar “Heat Treatment Methods Applied To AISI 431 Martensitic Stainless Steels”, International Journal of Scientific & Engineering Research, Volume 6, Issue 4, April-2015, PP 547 -553
14. A.Rajasekhar “Effect of Welding Processes and Post Weld Heat Treatments on Microstructure and Mechanical Properties of AISI 431 Martensitic Stainless Steel”,  Int.Journal of Technical Research and Applications (IJTRA) , e-ISSN  2320 – 8163; p-ISSN 2321 – 7332; Volume 3, Issue 3 (May-June 2015), PP. 280-285
15. A.Rajasekhar “Friction stir welding of stainless steels – review”, International Journal of Advanced Research, ISSN No: 2320-5407, Vol.4 (9), pp 977 – 982,
16. Thakur Sachin Singh, A.Rajasekhar,  “Fracture Analysis to determine strength of Metal –Composite Joints” International Journal & Magazine of Engineering, Technology, Management and Research, ISSN No: 2348-4845, Vol.4 (2017), Issue 6 (June), pp 427 – 433, June 2017
17. Rakesh Mididoddi, A. Raja Sekhar, “ Simulation of Flow and Structural Analysis of Industrial Blower “, Int. Journal of Engineering Research and Application ISSN : 2248-9622, Vol. 7, Issue 8, ( Part -1) August 2017, pp.82-89
18. Prerna Ramagiri, Rajasekhar Adula , D.V.Srikanth, “Optimization of Process Parameters in Abrasive Jet Drilling Of Hastelloy Using Taguchi Method” International Journal of Engineering Science Invention ISSN (Online): 2319 – 6734, ISSN (Print): 2319 – 6726 Volume 6 Issue 11 November 2017  PP. 50-55
19. B.Anusha, A.Rajasekhar, “Buckling analysis and life estimation of attachment bracket used in aircraft structure”, International Journal of Aerospace and Mechanical Engineering (IJAME) Volume 5 – No.3, May 2018 PP. 1-4, ISSN (O): 2393-8609.
20. K.Sindhuja, Dr.A.Rajasekhar, Matam Prasad “ Design and Analysis of Mechanical Gripper for High Temperature Applications”,  International Journal of Engineering, Business and Enterprise Applications (IJEBEA),   25(1), June-August 2018, pp. 11-15, ISSN (Print): 2279-0020 ISSN (Online): 2279-0039.
21. B.Priyanka, A.Rajasekhar, Manish Kumar Nayak “A Comparative Study of Static and Dynamic Analysis of Automobile Camshaft Made of different Materials”, Journal of Emerging Technologies and Innovative Research JETIR July 2018, Volume 5, Issue 7, PP 465-469,  www.jetir.org (ISSN-2349-5162)
22. V. Venkata Srichandan, A.Rajasekhar, “Design and Structural Analysis of Mast Member of Hydraulic RIG”, International Journal of Emerging Technologies in Computational and Applied Sciences(IJETCAS) 25(1), June-August, 2018, pp. 01-05,  ISSN (Print): 2279-0047, ISSN (Online): 2279-0055,  www.iasir.net

Proceedings of Conferences and Presentations

1. “Heat Treatment Methods Applied to Martensitic Stainless Steels”, , A National Level Technical Conference on “Emerging Trends in Mechanical Engineering (ETME – 2004)”, 23-24, Jan’2004,organized by Sree Visvesvaraya Institute of Tech & Sc., Mahabubnagar
2. “Weldability of austenitic stainless steels”, proc SVITS QUEST-2005, SVITS, Mahabubnagar 2005. 
3. “A review on welding aspects of martensitic stainless steels”, Proc. of National Conference on “Computational Methods in Mechanical Engg.”, College of Engg., Osmania University, 2005, p205-212.
4. “Improved Characteristics of Burnished surfaces from the application of Burnishing Direction”, Proc. of National Conference on “Computational Methods in Mechanical Engg.”, College of Engg., Osmania University, 2005,pp110-116
5. “Effects of post weld heat treatments on impact toughness of AISI 431 electron beam welds.” Proc. XXIII   National Convention of Mechanical Engineers and National Seminar on “Emerging Trends in manufacturing Systems and Technologies” September 10-12, 2007, Institute of Engineers, Hyderabad. 
6. “Microstructure and mechanical properties of 16Cr-2Ni stainless steel Electron beam welds-Influence of single and double austenitization treatments” forthcoming Int. Symp. for Research Scholars on Metallurgy, Materials Science and Engineering on December 10-12, 2008 organized by Department of Metallurgical and Materials Engineering, IIT Madras (Received best paper Award).
7. Optimization of post weld heat treatments for improved mechanical properties in AISI 431 electron beam weld, National Welding seminar, 2009-10, Kolkata
8. Comparative Evaluation Of Mechanical Properties And Microstructure Features In EB And Friction Welds Of AISI 431 At Different Post Weld Heat Treatments", Dec. 21 – 23, 2010 National Welding Seminar 2010 at Vizag, Indian Institute of Welding  (IIW), Vizag
9. Pitting Corrosion in AISI 431 EB welds, 29th & 30th November 2013 at Int. Conf. On Emerging Trends In Engineering And Management – Icetem2k13, Sree Visvesvaraya Institute of Tech & Sc., Mahabubnagar in collaboration with “World Academy Of Science And Engineering – Warse “
10. “Current Trends in Welding Technologies – Applications”, Invited Talk at All India Seminar on Emerging Technologies in Material Sciences and Engineering, organized by Institution of Engineers on18-19 March, 2014
11. “A Review on Welding Metallurgy of Martensitic Stainless Steels”, 24-25,Feb’2014 International Conference on Emerging Trends in Mechanical Engineering (ICEME – 2014) Department of Mechanical Engineering, Abhinav Hi-Tech College of Engineering, Hyderabad.
12. “Testing and Estimation of Mechanical properties of E-glass (V-9) composite material”, 02-03, March 2016 International Conference on Paradigms in Engineering and Technology (ICPET-2016), organized by Methodist College of Engineering and Technology, Hyderabad.
13. “Influence of Heat treatment on mechanical properties of Garter spring made by Zirconium alloy”, 02-03, March 2016 International Conference on Paradigms in Engineering and Technology (ICPET-2016), organized by Methodist College of Engineering  and Technology, Hyderabad.
14. “Optimization of process parameters of Ultrasonic machining of Titanium”, 02-03, March 2016 International Conference on Paradigms in Engineering and Technology (ICPET-2016), organized by Methodist College of Engineering and Technology, Hyderabad.
15. Economising of Machining Process by heating the work piece to increase Tool Life, Surface Finish & reduce Power Consumption” Int.Conf. on Paradigms in Engg and Tech. (ICPET-2018), org. by Methodist College of Engg and Tech., Hyd 28-29 Dec, 2018

Book Publications:

1. Authored a text book titled “Engineering Materials” for Diploma in Mechanical Engineering
2. Co-authored a chapter titled “Microstructure and Mechanical Properties of 16Cr-2Ni Stainless Steel Fusion and Solid State Welds- Influence of Post Weld Treatments”, published in “Advanced Materials Research, Vol 794(2013) as a special book titled “A Century of stainless steels” by Trans Tech publications, Switzerland   pp. 289-304

Workshops / Seminars Attended/organized

Organisation of conferences, seminars and workshops (at Asst. and Asso. Prof. level):

Courses / conferences / seminars / workshops attended:

Memberships

1. Life Member of Indian Society for Technical Education ( I.S.T.E.) – LM 42235
2. Life Member and Sectetary, Hyderabad center of Indian Welding Society (I.W.S.)  - L-00270
3. Life member Indian Institution of Welding (I.I.W) R- 11332 / L

Awards

Prof. V. M. Radhakrishnan Endowment Best Paper Award in International Symposium for Research Scholars-2008, organized by Department of Metallurgical and Materials Engineering IIT Madras,   Chennai - 600 036