Dr. RaviKumar Dumpala >>Publications

PhD Thesis_Ravikumar Dumpala_April 2014_IIT Madras
A STUDY ON GRADED NANO- AND MICRO-CRYSTALLINE COMPOSITE CVD DIAMOND COATINGS

Patent Grant No. 367934 (Certificate), Application No. 4227/CHE/2013, Grant Date: 28/05/2021


List of Publications (2021)


>> Y. Narendra Kumar, B. Venkateswarlu, Lam Ratna Raju, Ravikumar Dumpala, and B. Ratna Sunil (2021) Developing Zn-MgO composites for degradable implant applications by powder metallurgy route. Materials Letters (ISSN: 0167-577X), 302: p. 130433

https://doi.org/10.1016/j.matlet.2021.130433


>> Ravikumar Dumpala, B. Ramamoorthy, and M.S. Ramachandra Rao, GRADED NANO- AND MICRO-CRYSTALLINE COMPOSITE CVD DIAMOND COATINGS FOR TRIBOLOGICAL APPLICATIONS, Patent, Application No. 4227/CHE/2013, India, Granted (367934), Grant Date: 28/05/2021

https://drive.google.com/file/d/1TM654p3pRSxpPAccOwt4EFlnLnYgYLS_


>> P. V. S. Mahesh, S. Akhil, P. Chiranjeevi, Y. Sivaji, V. V. Kondaiah, M. Ananda Rao, Ravikumar Dumpala, and B. Ratna Sunil (2021) Developing composites of zinc and hydroxyapatite for degradable orthopedic implant applications. IOP Conference Series: Materials Science and Engineering (ISSN: 1757-8981, 1757-899X), 1116(1): p. 012002

https://doi.org/10.1088/1757-899x/1116/1/012002


>> B. Krishna Sarath Kumar, M. Jagannatham, B. Venkateswarlu, Ravikumar Dumpala, and B. Ratna Sunil (2021) Synthesis, characterization, and antimicrobial properties of strontium-substituted hydroxyapatite. Journal of the Australian Ceramic Society (ISSN: 2510-1579), 57(1): p. 195-204

https://doi.org/10.1007/s41779-020-00525-6


>> H. Patle, B.R. Sunil, and Ravikumar Dumpala (2021) Machining characteristics, wear and corrosion behavior of AZ91 magnesium alloy – fly ash composites produced by friction stir processing. Materials Science & Engineering Technology (ISSN: 0933-5137), 52(1): p. 88-99

https://doi.org/10.1002/mawe.202000101


>> R. Supriyanka, V.V. Kondaiah, L.R. Raju, Ravikumar Dumpala, and B. Ratna Sunil (2021) Role of plunge depth on the joint formation and mechanical behavior of Al6063-AZ91 dissimilar lap joint produced by friction stir welding. Materials Science & Engineering Technology (ISSN: 0933-5137), 52(1): p. 111-121

https://doi.org/10.1002/mawe.202000099


>> P. Srikar, T. Sathish, P. Imran Khan, Y. Kalyan Reddy, V. V. Kondaiah, M. Ananda Rao, Ravikumar Dumpala, and B. Ratna Sunil (2021) Zinc-calcium silicate composites produced by ball milling and sintering for degradable implant applications. Materials Today: Proceedings (ISSN: 2214-7853), 44: p. 1584-1588

https://doi.org/10.1016/j.matpr.2020.11.785


>> Ratna S. Buradagunta and Ravikumar Dumpala (2021) Surface Composites by Friction Stir Processing, in Encyclopedia of Materials: Composites, Editor(s) D. Brabazon, Elsevier. p. 758-769, (Book chapter, ISBN: 978-0-12-819731-8)

https://doi.org/10.1016/B978-0-12-803581-8.11916-2


>> B. Ratna Sunil and Ravikumar Dumpala (2021) Magnesium-Based Composites for Degradable Implant Applications, in Encyclopedia of Materials: Composites, Editor(s) D. Brabazon, Elsevier. p. 770-780,  (Book chapter, ISBN: 978-0-12-819731-8)

https://doi.org/10.1016/B978-0-12-803581-8.11917-4


>> Ch Vasu, Atul B. Andhare, and Ravikumar Dumpala (2021) Multiobjective optimization of performance characteristics in turning of AZ91 Mg alloy using grey relational analysis. Materials Today: Proceedings (ISSN: 2214-7853), 42: p. 642-649

https://doi.org/10.1016/j.matpr.2020.11.049


>> Hemendra Patle, K. Uday Venkat Kiran, B. Ratna Sunil, and Ravikumar Dumpala (2021) Effect of Friction Stir Processing on the Sliding Wear Characteristics of AZ91 Mg Alloy, in Advances in Mechanical Engineering, Editor(s) V.R. Kalamkar and K. Monkova, Springer Singapore. p. 663-669, (Book chapter, ISBN: 978-981-15-3639-7)

https://doi.org/10.1007/978-981-15-3639-7_79


>> Vivek Patel, Sanket Suresh Kalantre, Gaurav Tiwari, and Ravikumar Dumpala (2021) Crushing Behavior of Thick Circular High Strength Aluminum Tube Against Quasi-static Axial Loading, in Advances in Mechanical Engineering, Editor(s) V.R. Kalamkar and K. Monkova, Springer Singapore. p. 551-557, (Book chapter, ISBN: 978-981-15-3639-7)

https://doi.org/10.1007/978-981-15-3639-7_66


>> Ratna Raju Lam, V. V. Kondaiah, Y. Naidubabu, Ravikumar Dumpala, and B. Ratna Sunil (2021) Effect of Crack Angle on Stress Shielding in Bone and Orthopedic Fixing Plate Implant: Design and Simulation, in Advances in Mechanical Engineering, Editor(s) V.R. Kalamkar and K. Monkova, Springer Singapore. p. 785-792, (Book chapter, ISBN: 978-981-15-3639-7)

https://doi.org/10.1007/978-981-15-3639-7_94


>> S. Anand Kumar, Ravikumar Dumpala, K. Uday Venkat Kiran, and R. Gnanamoorthy (2021) Investigation on Elevated Temperature Tribological Performance of Alloy 718, in Advances in Mechanical Engineering, Editor(s) V.R. Kalamkar and K. Monkova, Springer Singapore. p. 629-636, (Book chapter, ISBN: 978-981-15-3639-7)

https://doi.org/10.1007/978-981-15-3639-7_75


>> Bijoy Ramakrishnan, K. Uday Venkat Kiran, B. Ratna Sunil, and Ravikumar Dumpala (2021) Sliding Wear Characteristics of Silver Particles Incorporated Electroless Nickel Phosphorus Composite Coatings, in Advances in Mechanical Engineering, Editor(s) V.R. Kalamkar and K. Monkova, Springer Singapore. p. 823-829, (Book chapter, ISBN: 978-981-15-3639-7)

https://doi.org/10.1007/978-981-15-3639-7_99


List of Publications (2020)


>> Badisha Venkateswarlu, Shaik Shabana, Ravikumar Dumpala, and Buradagunta Ratna Sunil (2020) Developing Mg-Zn surface alloy by friction surface alloying (FSA): in vitro degradation studies in simulated body fluids. International Journal of Minerals, Metallurgy and Materials (ISSN: 1674-4799), 27(7): p. 962-969

https://doi.org/10.1007/s12613-020-2053-9


>> Vivek Patel, Gaurav Tiwari, and Ravikumar Dumpala (2020) Effect of cut-outs on the axial crushing response of cap and open-end hybrid frusta tube. Materials Today: Proceedings (ISSN: 2214-7853), 28: p. 2539-2546

https://doi.org/10.1016/j.matpr.2020.05.089


>> Ravi Thakurai, Hemendra Patle, B. Ratna Sunil, and Ravikumar Dumpala (2021) Effect of cryogenic treatment duration on the microhardness and tribological behavior of 40CrMoV5 tool steel. Materials Today: Proceedings (ISSN: 2214-7853), 38(5): p. 2140-2144

https://doi.org/10.1016/j.matpr.2020.05.126


>> Vivek Patel, Gaurav Tiwari, and Ravikumar Dumpala (2020) Crashworthiness analysis of multi-configuration thin walled co-axial frusta tube structures under quasi-static loading. Thin-Walled Structures (ISSN: 0263-8231), 154: p. 106872

https://doi.org/10.1016/j.tws.2020.106872


>> K. Uday Venkat Kiran, Abhishek Arora, B. Ratna Sunil, and Ravikumar Dumpala (2020) Effect of heat treatment on the temperature dependent wear characteristics of electroless Ni–P–BN(h) composite coatings. SN Applied Sciences (ISSN: 2523-3971), 2(6): p. 1101

https://doi.org/10.1007/s42452-020-2920-z


>> Ch Hari Krishna, Ravikumar Dumpala, M. J. Davidson, P. Srinivasaraju, and G. Srinivasarao (2020) Analysis of anisotropy in the upsetting process of AA2014 cast alloy embedded with fly ash. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science (ISSN: 0954-4062), 234(14): p. 2833-2841

https://doi.org/10.1177/0954406220911389


>> Vivek Patel, Gaurav Tiwari, and Ravikumar Dumpala (2020) Review of the crushing response of collapsible tubular structures. Frontiers of Mechanical Engineering (ISSN: 2095-0241), 15(3): p. 438–474

https://doi.org/10.1007/s11465-019-0579-1


>> Hemendra Patle, B. Ratna Sunil, and Ravikumar Dumpala (2020) Sliding wear behavior of AZ91/B4C surface composites produced by friction stir processing. Materials Research Express (ISSN: 2053-1591), 7(1): p. 016586

http://dx.doi.org/10.1088/2053-1591/ab6a55


>> Y. Naidubabu, V. V. Kondaiah, Ravikumar Dumpala, and B. Ratna Sunil (2020) Assessing the Material-Dependent Stress Distribution in Fractured Bone and Orthopedic Fixing Plate by Finite Element Analysis, Editor(s) L. Li, Pratihar, et al., Springer Singapore: Singapore. p. 337-342,  (Book chapter, ISBN: 978-981-15-1307-7)

https://doi.org/10.1007/978-981-15-1307-7_37


>> Venkata Kondaiah Vemula, Yogeshwar Chakrapani Venkatesan, Siva Irullappasamy, Anandkumar Subramaniyan, Ravikumar Dumpala, and Ratna Sunil B (2020) Dissimilar Lap Joint of Al6063 – AZ91 Mg Alloy by Friction Stir Welding. Available at SSRN: Abstract=3671807 (ISSN: 0000-0000), NA: p. Number of pages: 6

http://dx.doi.org/10.2139/ssrn.3671807


 

>> Hemendra Patle, Venkateswarlu Badisha, Yogeshwar Chakrapani Venkatesan, Siva Irullappasamy, Ratna Sunil B, and Ravikumar Dumpala (2020) Assessing the Effect of Altering Secondary Phase in Friction Stir Processed AZ91 Mg Alloy by Solution Heat Treatment. Available at SSRN: Abstract=3654040 (ISSN: 0000-0000), NA: p. Number of pages: 6

http://dx.doi.org/10.2139/ssrn.3654040


List of Publications (2019)


>> Hemendra Patle, B. Ratna Sunil, and Ravikumar Dumpala (2019) Investigation on the Structural and Wear Characteristics of Mg AZ91/Fly Ash Surface Composites Fabricated by Friction Stir Processing, in Advances in Micro and Nano Manufacturing and Surface Engineering, Editor(s) M.S. Shunmugam, Kanthababu, M., Springer  Singapore. p. 703-710,  (Book chapter, ISBN: 978-981-32-9425-7)

https://doi.org/10.1007/978-981-32-9425-7_63


>> K. Uday Venkat Kiran, Abhishek Arora, B. Ratna Sunil, and Ravikumar Dumpala (2019) Sliding wear characteristics of as-deposited and heat-treated electroless Ni-P coatings against AISI E52100 steel ball. Materials Research Express (ISSN: 2053-1591), 6(3): p. 036401

http://dx.doi.org/10.1088/2053-1591/aaf2f9


>> Gaurav Durge, Aayush Chandak, Abhimanyu Kumar Jaiswal, K. Uday Venkat Kiran, B. Ratna Sunil, and Ravikumar Dumpala (2019) Effect of heat treatment on the hardness and wear characteristics of NiCrBSi laser clad deposited on AISI410 stainless steel. Materials Research Express (ISSN: 2053-1591), 6(8): p. 086524

http://dx.doi.org/10.1088/2053-1591/ab1c22


>> B. Vandana, P. Syamala, D. Sri Venugopal, S. R. K. Imran Sk, B. Venkateswarlu, M. Jagannatham, Marek Kolenčík, I. Ramakanth, Ravikumar Dumpala, and B. Ratna Sunil (2019) Magnesium/fish bone derived hydroxyapatite composites by friction stir processing: studies on mechanical behaviour and corrosion resistance. Bulletin of Materials Science (ISSN: 0973-7669), 42(3): p. 122

https://doi.org/10.1007/s12034-019-1799-z


>> Patle Hemendra, P. Mahendiran, B. Ratna Sunil, and Ravikumar Dumpala (2019) Hardness and sliding wear characteristics of AA7075-T6 surface composites reinforced with B4C and MoS2 particles. Materials Research Express (ISSN: 2053-1591), 6: p. 086589

https://doi.org/10.1088/2053-1591/ab1ff4


>> Prasad U. Syam, V. V. Kondaiah, K. Akhil, V. Vijay Kumar, B. Nagamani, K. Jhansi, Ravikumar Dumpala, B. Venkateswarlu, and Sunil B. Ratna (2019) Effect of heat treatment on microstructure, microhardness and corrosion resistance of ZE41 Mg alloy. Koroze a ochrana materiálu (ISSN: 1804-1213), 63(2): p. 79–85

https://doi.org/10.2478/kom-2019-0010


>> Vivek Patel, Gaurav Tiwari, and Ravikumar Dumpala (2019) Effect of eccentric loading on energy absorbing circular cap and open end frusta tube structures. Vacuum (ISSN: 0042-207X), 166: p. 356-363

https://doi.org/10.1016/j.vacuum.2018.10.056


>> Abhishek Arora, K. Uday Venkat Kiran, Bijoy Ramakrishnan, B. Ratna Sunil, and Ravikumar Dumpala (2019) Effect of heat treatment on mechanical and tribological characteristics of Electroless Ni-P deposits. Journal of Physics: Conference Series, 1355: p. 012032. (Conference proceeding, ISSN: 1742-6596)

http://dx.doi.org/10.1088/1742-6596/1355/1/012032


>> Gaurav Durge, Aayush Chandak, Abhimanyu Kumar Jaiswal, and Ravikumar Dumpala (2019) Effect of laser power on microhardness of NiCrBSi laser clads deposited on AISI410 stainless steel. Journal of Physics: Conference Series, 1355: p. 012043. (Conference proceeding, ISSN: 1742-6596)

http://dx.doi.org/10.1088/1742-6596/1355/1/012043


>> V. V. Kondaiah, Ch Vasu, Ravikumar Dumpala, and B. Ratna Sunil (2019) Role of microstructure on the degradation behaviour of friction stir processed AZ series Mg alloys assessed in simulated physiological solutions. IOP Conference Series: Materials Science and Engineering, 653: p. 012025. (Conference proceeding, ISSN: 1757-899X)

http://dx.doi.org/10.1088/1757-899X/653/1/012025


>> Bijoy Ramakrishnan, K. Uday Venkat Kiran, Pranit Rangari, Anuj Prajapati, Zuveria Firdouz, Tathwika Jugunta, B. Uday Kumar, Ajeet Srivastav, B. Ratna Sunil, and Ravikumar Dumpala (2019) Tribological and Morphological Evaluation of Ni-P and Ni-P/Diamond Coatings. Materials Science Forum (ISSN: 1662-9752), 969: p. 73–79

https://doi.org/10.4028/www.scientific.net/msf.969.73


>> K. Uday Venkat Kiran, Chetan Rodge, Rameshwar Dhurve, Romil Jain, and Ravikumar Dumpala (2019) Study on Effect of Tool Overhang on Machining Characteristics of Al 7075-T6 in Orthogonal Turning Process. Materials Science Forum (ISSN: 1662-9752), 969(870–75): p. 870-875

https://doi.org/10.4028/www.scientific.net/msf.969.870


List of Publications (2018)


>> Abhishek Arora, K Uday Venkat Kiran, and Ravikumar Dumpala (2018) Predicting nanoindentation behaviour of Ni-P coatings using finite element analysis. IOP Conference Series: Materials Science and Engineering, 402(1): p. 012004. (Conference proceeding, ISSN: 1757-899X)

https://doi.org/10.1088/1757-899X/402/1/012004


>> Swetha Chowdary, Ravikumar Dumpala, and VV Kondaiah (2018) Influence of heat treatment on the machinability and corrosion behavior of AZ91 Mg alloy. Journal of magnesium and alloys (ISSN: 2213-9567), 6(1): p. 52-58

https://doi.org/10.1016/j.jma.2017.12.001


>> Hemendra Patle, Ravikumar Dumpala, and B Ratna Sunil (2018) Machining Characteristics and Corrosion Behavior of Grain Refined AZ91 Mg Alloy Produced by Friction Stir Processing: Role of Tool Pin Profile. Transactions of the Indian Institute of Metals (ISSN: 0972-2815), 71(4): p. 951-959

https://doi.org/10.1007/s12666-017-1250-3


>> B Lakshmana Prasad, G Neelaiah, M Gopi Krishna, SVV Ramana, K Sai Prakash, G Sarika, G Pradeep Kumar Reddy, Ravikumar Dumpala, and B Ratna Sunil (2018) Joining of AZ91 Mg alloy and Al6063 alloy sheets by friction stir welding. Journal of magnesium and alloys (ISSN: 2213-9567), 6(1): p. 71-76

https://doi.org/10.1016/j.jma.2017.12.004


>> N Saikrishna, G Pradeep Kumar Reddy, Balakrishnan Munirathinam, Ravikumar Dumpala, M Jagannatham, and B Ratna Sunil (2018) An investigation on the hardness and corrosion behavior of MWCNT/Mg composites and grain refined Mg. Journal of magnesium and alloys (ISSN: 2213-9567), 6(1): p. 83-89

https://doi.org/10.1016/j.jma.2017.12.003


>> Hemendra Patle, Ashish Gupta, P Mahendiran, and Ravikumar Dumpala (2018) Fabrication of AA1050/B4C surface composite by friction Stir processing (FSP) and investigation on mechanical and wear characteristics. IOP Conference Series: Materials Science and Engineering, 402(1): p. 012128. (Conference proceeding, ISSN: 1757-899X)

https://doi.org/10.1088/1757-899X/402/1/012128


>> Shivanshu Srivastava, Kommineni Uday Venkat Kiran, and Ravikumar Dumpala (2018) Optimization of cutting for surface finish obtained using uncoated and diamond coated carbide end mills. IOP Conference Series: Materials Science and Engineering, 402(1): p. 012127. (Conference proceeding, ISSN: 1757-899X)

https://doi.org/10.1088/1757-899X/402/1/012127


>> T Archana, S Anand Kumar, RR Elangovan, YS Rammohan, Ravikumar Dumpala, B Ratna Sunil, and RK Kumar (2018) Fracture toughness and fatigue behavior of spider silk and S-glass epoxy composites: An FEM approach. Materials Today: Proceedings, 5(1): p. 2627-2634. (Conference proceeding, ISSN: 2214-7853)

https://doi.org/10.1016/j.matpr.2018.01.042


List of Publications (2017)


>> GVV SURYA KIRAN, K Hari Krishna, SK Sameer, M Bhargavi, B Santosh Kumar, G Mohana Rao, Y Naidubabu, Ravikumar Dumpala, and B Ratna Sunil (2017) Machining characteristics of fine grained AZ91 Mg alloy processed by friction stir processing. Transactions of Nonferrous Metals Society of China (ISSN: 1003-6326), 27(4): p. 804-811

https://doi.org/10.1016/S1003-6326(17)60092-X


>> Vivek Patel, Gaurav Tiwari, and Ravikumar Dumpala (2017) Crashworthiness performance of Frusta Tube Structures against Eccentric loading. Proceedings of Theoretical, Applied, Computational and Experimental Mechanics, 1: p. 01-11. (Conference proceeding, ISSN: NA)

https://drive.google.com/open?id=1jDdmhyqpsFrQHeCzrSsq7w-gmQDLFLAT


>> VV Kondaiah, P Pavanteja, P Afzal Khan, S Anannd Kumar, Ravikumar Dumpala, and B Ratna Sunil (2017) Microstructure, hardness and wear behavior of AZ31 Mg alloy–fly ash composites produced by friction stir processing. Materials Today: Proceedings, 4(6): p. 6671-6677. (Conference proceeding, ISSN: 2214-7853)

https://doi.org/10.1016/j.matpr.2017.06.441


List of Publications (2016)


>> B Ratna Sunil, G Pradeep Kumar Reddy, Hemendra Patle, and Ravikumar Dumpala (2016) Magnesium based surface metal matrix composites by friction stir processing. Journal of Magnesium and Alloys (ISSN: 2213-9567), 4(1): p. 52-61

https://doi.org/10.1016/j.jma.2016.02.001


>> Vivek Patel, Gaurav Tiwari, and Ravikumar Dumpala (2016) Numerical study on crushing behavior of circular frusta tube under eccentric loading. Industrial Problems on Machines and Mechanisms – Challenges in Manufacturing (IPRoMM), 1: p. 438-444. (Conference proceeding, ISSN: NA)

https://drive.google.com/open?id=1-HaGBEpjtTRxKh2egZZXD_yBskJion6v


>> Abhishek Tomy, Bhushan zade, Gaurav Tiwari, T V K Gupta, and Ravikumar Dumpala (2016) Influence of Friction Co-Efficient at Chip-Tool Interface on Orthogonal Cutting: Finite Element Analysis. Industrial Problems on Machines and Mechanisms – Challenges in Manufacturing (IPRoMM), 1: p. 227-237. (Conference proceeding, ISSN: NA)

https://drive.google.com/open?id=11U7ql5nSzUy1b8mKL_J9EyMRloKeQDFz


List of Publications (2015)


>> Ravikumar Dumpala, Maneesh Chandran, S Madhavan, B Ramamoorthy, and MS Ramachandra Rao (2015) High wear performance of the dual-layer graded composite diamond coated cutting tools. International Journal of Refractory Metals and Hard Materials (ISSN: 0263-4368), 48: p. 24-30

https://doi.org/10.1016/j.ijrmhm.2014.07.023


>> Ravikumar Dumpala, Maneesh Chandran, and MS Ramachandra Rao (2015) Engineered CVD diamond coatings for machining and tribological applications. Jom (ISSN: 1047-4838), 67(7): p. 1565-1577

https://doi.org/10.1007/s11837-015-1428-2


>> GVSS Sharma and Ravikumar Dumpala (2015) Teaching of mechanical engineering concepts through three-dimensional geometric modeling. International Journal of Mechanical Engineering Education (ISSN: 0306-4190), 43(3): p. 180-190

https://doi.org/10.1177/0306419015603013


List of Publications (2014)


>> Maneesh Chandran, CR Kumaran, Ravikumar Dumpala, P Shanmugam, R Natarajan, SS Bhattacharya, and MS Ramachandra Rao (2014) Nanocrystalline diamond coatings on the interior of WC–Co dies for drawing carbon steel tubes: enhancement of tube properties. Diamond and Related Materials (ISSN: 0925-9635), 50: p. 33-37

https://doi.org/10.1016/j.diamond.2014.09.002


>> Ravikumar Dumpala, N Kumar, CR Kumaran, S Dash, B Ramamoorthy, and MS Ramachandra Rao (2014) Adhesion characteristics of nano-and micro-crystalline diamond coatings: Raman stress mapping of the scratch tracks. Diamond and Related Materials (ISSN: 0925-9635), 44: p. 71-77

https://doi.org/10.1016/j.diamond.2014.02.007


>> Ravikumar Dumpala, N Kumar, Sunil Kumar Samji, S Dash, B Ramamoorthy, and MS Ramachandra Rao (2014) Characterization of tribo-layer formed during sliding wear of SiC ball against nanocrystalline diamond coatings. Materials Characterization (ISSN: 1044-5803), 95: p. 252-258

https://doi.org/10.1016/j.matchar.2014.06.026


>> Ravikumar Dumpala, B Ramamoorthy, and MS Ramachandra Rao (2014) Graded composite diamond coatings with top-layer nanocrystallinity and interfacial integrity: cross-sectional Raman mapping. Applied Surface Science (ISSN: 0169-4332), 289: p. 545-550

https://doi.org/10.1016/j.apsusc.2013.11.035


>> Ravikumar Dumpala, B.V. Suresh, K. Ramasubramanian, V. Chittibabu, and M.S. Ramachandra Rao (2014) Tribological and machining performance of the CVD diamond coatings against Alm-30SiCp MMC, in Proceedings on Advances in Design and Manufacturing (ICAD&M’14), Editor(s) Bonfring. p. 1510-1514,  (Book chapter, ISBN: 978-93-84743-12-3)

https://drive.google.com/open?id=0B1YXZRdOF6TgV09YSHBWc25fcXM


>> N Kumar, Gomathi Natarajan, Ravikumar Dumpala, R Pandian, Ashok Bahuguna, SK Srivastava, TR Ravindran, S Rajagopalan, S Dash, and AK Tyagi (2014) Microstructure and phase composition dependent tribological properties of TiC/aC nanocomposite thin films. Surface and Coatings Technology (ISSN: 0257-8972), 258: p. 557-565

https://doi.org/10.1016/j.surfcoat.2014.08.038


List of Publications (2013)


>> Ravikumar Dumpala, Maneesh Chandran, N Kumar, S Dash, B Ramamoorthy, and MS Ramachandra Rao (2013) Growth and characterization of integrated nano-and microcrystalline dual layer composite diamond coatings on WC–Co substrates. International Journal of Refractory Metals and Hard Materials (ISSN: 0263-4368), 37: p. 127-133

https://doi.org/10.1016/j.ijrmhm.2012.11.007


>> R Radhika, N Kumar, KJ Sankaran, Ravikumar Dumpala, S Dash, MS Ramachandra Rao, D Arivuoli, AK Tyagi, NH Tai, and I-Nan Lin (2013) Extremely high wear resistance and ultra-low friction behaviour of oxygen-plasma-treated nanocrystalline diamond films. Journal of Physics D: Applied Physics (ISSN: 0022-3727), 46(42): p. 425304

https://doi.org/10.1088/0022-3727/46/42/425304


List of Publications (2012)


>> C. S. Raju, Ravikumar Dumpala, John R. Jegaraj, K. Ramesh Kumar, and C. S. P. Rao (2012) Development and Performance Evaluation of a Rotary Milling Cutter with Different inclination angles for Machining of Aerospace Materials. Journal of Manufacturing Technology Research (ISSN: 1943-8095), 4(1/2): p. 7-20

http://www.novapublishers.org/catalog/product_info.php?products_id=33196