PUBLICATIONS

2017

  1. Influence of Texture and Environmental Effects on Fatigue Behavior of Ti-6Al-4V Alloy,
    Sergio Baragetti, Nedunchezhian Srinivasan, Ravi Kumar,
    Key Engineering Materials 754 (2017) 39-42
    Impact factor (2016):0.39 DOI LINK, PDF

  2. Influence of Environment, Residual Stresses on the Fatigue Behavior of 7075-T6 Aluminum Alloy,
    Sergio Baragetti, Nedunchezhian Srinivasan, Lalithkumar B, Ravi Kumar,
    Key Engineering Materials 754 (2017) 3-6
    Impact factor (2016):0.39 DOI LINK, PDF

  3. Microstructure and mechanical characterization of friction stir welded high strength low alloy steels,
    R. Ramesha,I. Dinaharan,Ravi Kumar, E.T. Akinlabi,
    Materials Science & Engineering A 687 (2017) 39–46
    Impact factor (2016):2.647 DOI LINK, PDF

  4. Thermodynamic modelling of Ti-Zr-N system,
    Soumya Sridar,Ravi Kumar,K.C. Hari Kumar,
    CALPHAD: Computer Coupling of Phase Diagrams and Thermochemistry 56 (2017) 102–107
    Impact factor (2016): 2.129 DOI LINK, PDF

2016

  1. Mechanical properties of ultra-high pressure sintered sphene (CaTiSiO5),
    Eranezhuth Wasan Awin, Branko Matovic, Jelena Pantic, Vladimir Urbanovich,Ravi Kumar,
    Processing and Application of Ceramics, 10 [4] (2016)
    Impact factor (2015): 0.944 DOI LINK, PDF

  2. Organosilicon polymer-derived mesoporous 3D silicon carbide, carbonitride and nitride structures as platinum supports for hydrogen generation by hydrolysis of sodium borohydride,
    Abhijeet Lale,Ravi Kumar,Umit Bilge Demirci, Philippe Miele, Awin Wasan, Samuel Bernard,
    International Journal of Hydrogen Energy, Volume 41, Issue 34, pp 15477 – 15488, (2016)
    Impact factor (2015): 3.205 DOI LINK, PDF

  3. Deformation behaviour of commercially pure (CP) titanium under biaxial tension,
    Nedunchezhian Srinivasan, R. Velmurugan, Ravi Kumar, Satish Kumar Singh, Bhanu Pant,
    Materials Science and Engineering A, 674, pp 540-551, (2016)
    Impact factor (2015): 2.647 DOI LINK, PDF

  4. Ablation resistance of precursor derived Si-Hf-C-N(O) ceramics,
    Wasan Awin Eranezhuth, Soumya Sridar, Bakthavachalam Kousaalya Adhimoolam, Ravi Kumar,
    Journal of the European Ceramic Society, Volume 36, pp 3717 – 3723, (2016)
    Impact factor (2015): 2.933 DOI LINK, PDF

  5. Stress induced environmental damage in precursor derived SiBCN ceramics,
    J. Sudagar, M.G. Ramnath, A.B. Kousaalya,Ravi Kumar,
    Ceramics International, Volume 42, Issue 6, pp 6692-6700, (2016)
    Impact factor (2015): 2.758 DOI LINK, PDF

  6. Structural, functional and mechanical properties of spark plasma sintered gadolinia (Gd2O3),
    Eranezhuth Wasan Awin, Soumya Sridar, Rajashekhar Shabadi,Ravi Kumar,
    Ceramics International, Volume 42, Issue 1, Part B, pp 1384–1391 (2016)
    Impact factor (2015): 2.758 DOI LINK, PDF

  7. Kinetic analysis of the non-isothermal crystallization process, magnetic and mechanical properties of FeCoBSiNb and FeCoBSiNbCu bulk metallic glasses,
    Parthiban Ramasamy, Mihai Stoica,A. H. Taghvaei, K. G. Prashanth, Ravi Kumar and Jürgen Eckert,
    Journal of Applied Physics 119, 073908-1 - 073908-9 (2016)
    Impact factor (2015): 2.101 DOI LINK, PDF

  8. Ultra-high pressure densification and properties of nanostructured SiC,
    Branko Matovic, Fatima Zivic, Slobodan Mitrovic, Dragan Prsic, Vesna Maksimovic, Tatjana Volkov-Husovic, Ravi Kumar
    Materials Letters, 164, pp 68-71 (2016)
    Impact factor (2015): 2.489 DOI LINK, PDF

  9. The role of the bimodal distribution of ultra-fine silicon phase and nano-scale V-phase (AlSi2Sc2) on spark plasma sintered hypereutectic Al–Si–Sc alloys,
    Raghukiran, N and Ravi Kumar
    Materials Science and Engineering: A 657, pp 123-135, (2016)
    Impact factor (2015): 2.647 DOI LINK, PDF

  10. Electric erosion induced microstructure and mechanical properties in spark plasma sintered Al-4.5wt%Cu alloy,
    S. Devaraj,Ravi Kumar, S. Sankaran,
    Materials Performance and Characterization, Vol 5, No.1, pp 54-65 (2016)
    Impact factor (2015): DOI LINK, PDF

2015

  1. Viscosity and fragility of the supercooled liquids and melts from the Fe-Co-B-Si-Nb and Fe-Mo-P-C-B-Si glass-forming alloy systems,
    R. Parthiban, M. Stoica, I. Kaban, J. Eckert and Ravi Kumar,
    Intermetallics,Volume 66, Pages 48-55 (2015)
    Impact factor (2014): 2.131 DOI LINK, PDF

  2. Structure evolution of soft magnetic (Fe36Co36B19.2Si4.8Nb4)100-x Cux (x = 0 and 0.5) bulk glassy alloys,
    Mihai Stoica, Parthiban Ramasamy, Ivan Kaban, Sergio Scudino, Mircea Nicoara, Gavin B.M.Vaughan, Jonathan Wright, J.Eckert and Ravi Kumar,
    Acta Materialia, Volume 95, pp 335–342 (2015)
    Impact factor (2014): 4.465 DOI LINK, PDF

  3. Effect of scandium addition on the microstructure, mechanical and wear properties of the spray formed hypereutectic aluminum–silicon alloys,
    Nadimpalli Raghukiran and and Ravi Kumar,
    Materials Science & Engineering A, Volume 641, pp 138–147 (2015)
    Impact factor (2014): 2.567 DOI LINK, PDF

  4. Corrosion behavior of polymer-derived SiHfCN(O) ceramics in salt and acid environments,
    Sudagar Jothi, Lakshman Neelakantan and Ravi Kumar,
    Ceramics International, Volume 41, Issue 9, Part A, pp 10659 – 10669 (2015)
    Impact factor (2014): 2.605 DOI LINK, PDF

  5. Crack evolution and estimation of fracture toughness of HfO2/SiCN(O) polymer derived ceramic nanocomposites,
    Sujith Ravindran, Andre Zimmermann and Ravi Kumar
    Advanced Engineering Materials, Volume 17, Issue 9, pp1265–1269 (2015)
    Impact factor (2014): DOI LINK, PDF

  6. Nature's Design for Superhydrophobicity in Tropical Leaves,
    Soumya Sridhar, Sangeetha Raman and Ravi Kumar,
    Surface Innovations, Volume 3, Issue 3, pp 144-150 (2015)
    Impact factor (2016) : 1.438 DOI LINK, PDF

2014

  1. Study of the influence of silicon phase morphology on the microstructural stress distribution in Al-Si alloys using object oriented finite element modeling,
    Nadimpalli Raghukiran, Aslam Kunhi Mohamed andRavi Kumar,
    Advanced Engineering Materials, Volume 16, Issue 1, pp 112-121 (2014)
    Impact Factor (2013):1.608 DOI LINK, PDF

  2. Corrosion of polymer-derived ceramics in hydrofluoric acid and sodium salts,
    Sudagar Jothi, Sujith Ravindran andRavi Kumar,
    Advances in Science and Technology (Trans Tech Publications), Vol 89, pp 82-87 (2014)
    Impact Factor (2013): DOI LINK, PDF 

  3. Thermal conductivity of precursor derived Si–B–C–N ceramic foams using Metroxylon sagu as sacrificial template,
    Adhimoolam Bakthavachalam Kousaalya,Ravi Kumar, B.T.N. Sridhar,
    Ceramics International, Volume 41, Issue 1, Part B, pp 1163–1170 (2014)
    Impact Factor (2013): 2.806 DOI LINK, PDF

  4. Room temperature strain rate sensitivity in precursor derived HfO2/Si-C-N(O) ceramic nanocomposites,
    R. Sujith andRavikumar,
    AIP Advances (American Institute of Physics), Volume 4, Issue 1, Id :017129, pp 1-6 (2014)
    Impact Factor (2013): 1.590 DOI LINK, PDF

  5. Influence of Hot Isostatic Pressing on the Microstructure and Mechanical Properties of a Spray Formed Al-4.5 Cu Alloy,
    Devaraj S, Sankaran S,Ravi Kumar,
    Journal of Materials Engineering and Performance, Volume 23, Issue 4, p.1440-1450,(2014)
    Impact Factor (2012) : 0.915 DOI LINK, PDF

2013

  1. Characterization of free carbon in as-thermolyzed Si-B-C-N ceramics from a polyorganoborosilazane precursor,
    Adhimoolam Bakthavachalam Kousaalya,Ravi Kumarand Shanmugam Packirisamy,
    Journal of Advanced Ceramics, Volume 2, Issue 4, p.325-332,(2013)
    Impact Factor (2012) :0.957 DOI LINK, PDF

  2. Influence of Spark Plasma Sintering Temperature on the Densification, Microstructure and Mechanical Properties of a Al-4.5 wt.% Cu Alloy,
    Devaraj,Ravi Kumar, Sankaran,
    Acta Metallurgical Sinica,Volume 26, Issue 6, p.761-771,(2013)
    Impact Factor (2013): 0.467 DOI LINK, PDF

  3. Processing and characterization of polymer precursor derived silicon oxycarbide ceramic foams and compacts,
    Nedunchezhian Srinivasan, Ravindran Sujith,Ravi Kumar,
    Journal of Advanced Ceramics, Volume 2, Issue 4, p.318-324,(2013)
    Impact Factor (2013): 0.957 DOI LINK, PDF

  4. Small-Scale Deformation of Pulsed Electric Current Sintered Silicon Oxycarbide Polymer Derived Ceramics,
    R. Sujith, N. Srinivasan,Ravikumar,
    Advanced Engineering Materials;Volume 15, Issue 11, p.1040-1045,(2013)
    Impact Factor (2013) :1.608 DOI LINKPDF

  5. Experimental investigation on the indentation hardness of precursor derived Si-B-C-N ceramics,
    R.Sujith,Ravikumar,
    Journal of the European Ceramic Society;Volume 33, Issue 13-14, p.2399-2405,(2013)
    Impact Factor (2013) : 2.360 DOI LINK, PDF

  6. Indentation response of pulsed electric current sintered polymer derived HfO2/Si-C-N(O) nanocomposites,
    R.Sujith,Ravi Kumar,
    Ceramics International, Volume 39, Issue 8, p.9743-9747,(2013)
    Impact Factor (2013) : 1.789 DOI LINK, PDF

  7. Silica based superhydrophobic coating by a single step process
    Adhimoolam Bakthavachalam Kousaalya, Nitish Garg and Ravi Kumar,
    Surface Innovations, Volume 1, Issue 3, p.168 –175,(2013)
    Impact Factor (2016) :1.438 DOI LINK, PDF

  8. Barnacle adhesion on natural and synthetic substrates: Adhesive structure and composition,
    Sangeetha Raman, Lakshmi Karunamoorthy, Mukesh Doble, Ravi Kumar and R. Venkatesan,
    International Journal of Adhesion and Adhesives, Volume 41, p.140–143,(2013)
    Impact Factor (2013) :1.295 DOI LINKPDF

  9. Processing and dry sliding wear performance of spray deposited hyper-eutectic aluminum-silicon alloys,
    Nadimpalli Raghukiran and Ravi Kumar,
    Journal of Materials Processing Technology, 213, p. 401,(2013)
    Impact Factor (2013) :1.953 DOI LINKPDF

2012

  1. Synthesis and phase stability of precursor derived HfO2/Si–C–N–O nanocomposites,
    Sujith Ravindran, Adhimoolam Bakthavachalam Kousaalya, Ravi Kumar,
    Ceramics International, Volume 38, Issue 2, pp 1227-1233 (2012)
    Impact Factor (2013) :1.751 DOI LINKPDF

2011

  1. Construction and nanomechanical properties of the exoskeleton of the barnacle,Amphibalanus reticulatus,,
    Sangeetha Raman and Ravi Kumar
    Journal of Structural Biology, 176, p. 360,(2011)
    Impact Factor (2011) : 3.41 DOI LINKPDF

  2. Coarsening Induced Phase Transformation of Hafnia in Polymer Derived Si-Hf-C-N-O Ceramics,
    Sujith Ravindran, Kousaalya Adhimoolam, Ravi Kumar ,
    Journal of the American Ceramic Society,9,p.2788,(2011)
    Impact Factor (2011) : 2.272 DOI LINKPDF

  3. Interfacial morphology and nanomechanics of the cement of the barnacle, Amphibalanus reticulatus on metallic and non-metallic substrata,
    Sangeetha Raman and Ravi Kumar,
    Biofouling: The Journal of Bioadhesion and Biofilm Research, 27(6), p. 569,(2011)
    Impact Factor (2012) : 3.396 DOI LINK, PDF

  4. Quasi-static uni-axial compression behaviour of hollow glass microspheres/epoxy based syntactic foams,
    Swetha C and Kumar R,
    Materials and Design, 32(8-9), p. 4152,(2011)
    Impact Factor (2011) : 2.200 DOI LINK, PDF

2010

  1. Barnacle cement: an etchant for stainless steel 316L?,
    Sangeetha R, Ravi Kumar
    Colloids and Surfaces B: Biointerfaces, 79(2), p. 524,(2010)
    Impact Factor (2010): 2.780 DOI LINK, PDF

  2. High temperature compression creep behavior of amorphous Si-B-C-N ceramics in controlled atmosphere,
    Ravi Kumar,Eswarapragada C, Zimmermann A and Aldinger F,
    Ceramic Transactions: American Ceramic Society, 210, p. 26.
    Impact Factor (2010): DOI LINK

  3. Understanding the structure of the adhesive plaque of Amphibalanus reticulatus,
    Sangeetha R, Ravi Kumar, Venkatesan R, Doble M,
    Materials Science and Engineering C: Materials for Biological Applications, 30(1), p. 112,
    Impact Factor (2010) : 2.177 DOI LINK, PDF

2008

  1. Effect of hafnium incorporation on the crystallization and mechanical behavior of a Zr-based bulk amorphous alloy,
    Baldwin F, Kumar R, Das K, Bandyopadhyay A and Gupta YM,
    Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing, 477(1-2), p. 233, I(2008)
    Impact Factor (2008) : 1.806 DOI LINK, PDF

2007

  1. Oxidation induced effects on the creep properties of nano-crystalline boron doped silicon carbonitrides,
    Ravi Kumar, Phillipp F and Aldinger F,
    Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing, 445-446, p. 251,(2007)
    Impact Factor (2008) : 1.806 DOI LINK, PDF

2006

  1. High temperature deformation behavior of nanocrystalline precursor derived Si-B-C-N ceramics in controlled atmosphere,
    Ravi Kumar, Mager R, Phillipp F, Zimmermann A and Rixecker G
    International Journal of Materials Research, (formerly Zeitschrift für Metallkunde), 97, p.626.(2006)
    Impact Factor (2008) : 0.907 DOI LINK, PDF

  2. Anelasticity of precursor derived Si-B-C-N ceramics,
    Ravi Kumar , Rixecker G, and Aldinger F,
    Journal of the European Ceramic Society, 27(2-3), p. 1475.(2006)
    Impact Factor (2008) : 1.562 DOI LINK, PDF

  3. Processing, crystallization and characterization of polymer derived nano-crystalline Si-B-C-N ceramics,
    Ravi Kumar, Cai Y, Gerstel P, Rixecker G and Aldinger F,
    Journal of Materials Science, 41(21), p. 7088.(2006)
    Impact Factor (2008) : 0.901 DOI LINK, PDF

2005

  1. Crystallization and creep behavior of Si-B-C-N ceramics,
    Ravi Kumar, Prinz S, Cai Y, Zimmermann A, Berger F, Müller K and Aldinger F,
    Acta Materialia, 53(17), p. 4567.(2005)
    Impact Factor (2007) : 3.624 DOI LINK, PDF

2004

  1. High temperature deformation behavior of crystallized Si-B-C-N ceramics obtained from a boron modified poly(vinyl)silazane polymeric precursor,
    Ravi Kumar, Mager R, Cai Y, Zimmermann A, and Aldinger F,
    Scripta Materialia, 51, p. 65.(2004)
    Impact factor (2007) : 2.481 DOI LINK, PDF

2003

  1. Creep behavior of a crystallized Si-B-C-N ceramic obtained from the polymer precursor T2-1 [B(C2H4Si(CH3)NH)3]n,
    Ravi Kumar , Zimmermann A and Aldinger F, Editors: David F. Bahr, Harriet Kung, Neville R. Moody, Kathryn J. Wahl,
    MRS Proceedings, 778, p. U1.6.1.,(2003)
    Impact factor (2003) :DOI LINK

2001

  1. Nano-crystalline ceramics by solid state thermolysis of organometallic polymers,
    Aldinger F, Prinz S, Janakiraman N, Ravi Kumar, Christ M, Weinmann M and Zimmermann A,
    International Journal of Self-Propagating High-Temperature Synthesis 10(3), p. 249.(2001)
    Impact factor (2001) :DOI LINK

Technical report

  1. Experimental determination of roll moment of inertia of cryogenic stage of GSLV,
    Ravi Kumar, Sundaram S,
    Department of Space, Government of India - (Doc No. ISRO-ISAC-GSLV-TE-0510) - Restricted.September (2000).