PUBLICATIONS

2015

41. 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, DOI LINK, PDF

40. 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, Pages 335–342, DOI LINK, PDF

 

39. Effect of scandium addition on the microstructure, mechanical and wear properties of the spray formed hypereutectic aluminum–silicon-alloys.

Nadimpalli Raghukiran and Ravi Kumar.

Materials Science & Engineering A, Volume 641(2015), Pages 138–147, DOI LINK, PDF

38. Corrosion behavior of polymer-derived SiHfCN(O) ceramics in salt and acid environments.

Sudagar Jothi, Lakshman Neelakantan and Ravi Kumar.

Ceramics International, Received 3 February 2015, Revised 30 March 2015, Accepted 29 April 2015, Available online 8 May 2015(In Press). DOI LINK, PDF

37. 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, published online on 9 FEB 2015,  DOI LINK, PDF

2014

36. 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 and Ravi Kumar.

Advanced Engineering Materials, Volume 16, Issue 1, pp 112-121 (2014)Impact Factor (2013) - 1.608. DOI LINK, PDF

35. Influence of biaxial stress state on the mechanical properties of commercially pure titanium

Nedunchezhian Srinivasan, R Velmurugan, Ravi Kumar, Satish Kumar Singh and Bhanu Pant

Materials and Design (in communication)

34. The role of the bimodal distribution of ultra-fine silicon phase and nano-scale V-phase (Al-Si-Sc) on spark plasma sintered hypereutectic Al-Si-Sc alloys

Nadimpalli Raghukiran and Ravi Kumar (2014)

Metallurgical Transactions A (accepted)

33. Nature’s Design for Superhydrophobicity in Tropical Leaves

Soumya Sridhar, Sangeetha Raman and Ravi Kumar (2014)

Surface Innovations. DOI LINK, PDF

32. Corrosion of polymer-derived ceramics in hydrofluoric acid and sodium salts

Sudagar Jothi, Sujith Ravindran and Ravi Kumar (2014)

Advances in Science and Technology (Trans Tech Publications), Vol 89, pp 82-87. DOI LINK, PDF 

31. 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 (2015)

Ceramics International, Volume 41, Issue 1, Part B, p.1163–1170, Impact Factor (2014) - 2.086. DOI LINK, PDF

30. Room temperature strain rate sensitivity in precursor derived HfO2/Si-C-N(O) ceramic nanocomposites

R. Sujith and Ravikumar (2014)

AIP Advances , Volume 4, Issue 1, Id :017129, p.1-6, Impact Factor (2013) – 1.590. DOI LINK, PDF

29. 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 (2014)

Journal of Materials Engineering and Performance, Volume 23, Issue 4, p.1440-1450, Impact Factor (2012) - 0.915. DOI LINK, PDF

2013

28. Characterization of free carbon in as-thermolyzed Si-B-C-N ceramics from a polyorganoborosilazane precursor

Adhimoolam Bakthavachalam Kousaalya, Ravi Kumar and Shanmugam Packirisamy (2013)

Journal of Advanced Ceramics, Volume 2, Issue 4, p.325-332. DOI LINK, PDF

27. 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 (2013)

Acta Metallurgical Sinica, Volume 26, Issue 6, p.761-771, Impact Factor (2013) - 0.467. DOI LINK, PDF

26.  Processing and characterization of polymer precursor derived silicon oxycarbide ceramic foams and compacts

Nedunchezhian Srinivasan, Ravindran Sujith, Ravi Kumar (2013)

Journal of Advanced Ceramics, Volume 2, Issue 4, p.318-324. DOI LINK, PDF

25.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 and Ravi Kumar (2013)

Advanced Engineering Materials, Volume 15, Impact Factor (2013) - 1.608. DOI LINK, PDF

24. Small-Scale Deformation of Pulsed Electric Current Sintered Silicon Oxycarbide Polymer Derived Ceramics

R. Sujith, N. Srinivasan, Ravikumar (2013)

Advanced Engineering Materials, Volume 15, Issue 11, p.1040-1045, Impact Factor (2013) - 1.608. DOI LINKPDF

23. Experimental investigation on the indentation hardness of precursor derived Si–B–C–N ceramics

R.Sujith, Ravikumar (2013)

Journal of the European Ceramic Society, Volume 33, Issue 13-14, p.2399-2405, Impact Factor (2013) - 2.360. DOI LINK, PDF

22. Indentation response of pulsed electric current sintered polymer derived HfO2/Si-C-N(O) nanocomposites

R.Sujith, Ravi Kumar (2013)

Ceramics International, Volume 39, Issue 8, p.9743-9747, Impact Factor (2013) - 1.789. DOI LINK, PDF

21. Silica based superhydrophobic coating by a single step process

Adhimoolam Bakthavachalam Kousaalya, Nitish Garg and Ravi Kumar (2013)

Surface Innovations, Volume 1, Issue 3, p.168 –175, DOI LINK, PDF

20. Barnacle adhesion on natural and synthetic substrates: Adhesive structure and composition

Sangeetha Raman, Lakshmi Karunamoorthy, Mukesh Doble, Ravi Kumar and R. Venkatesan (2013)

International Journal of Adhesion and Adhesives, Volume 41, p.140–143, Impact Factor (2013) - 1.295. DOI LINKPDF

19. Processing and dry sliding wear performance of spray deposited hyper-eutectic aluminum-silicon alloys

Nadimpalli Raghukiran and Ravi Kumar (2013)

Journal of Materials Processing Technology, 213, p. 401, Impact Factor (2013) - 1.953. DOI LINKPDF

2011

18. Construction and nanomechanical properties of the exoskeleton of the barnacle, Amphibalanus reticulatus

Sangeetha Raman and Ravi Kumar (2011)

Journal of Structural Biology, 176, p. 360, Impact Factor (2011) - 3.41. DOI LINKPDF

17. Coarsening Induced Phase Transformation of Hafnia in Polymer Derived Si-Hf-C-N-O Ceramics

Sujith Ravindran, Kousaalya Adhimoolam, Ravi Kumar (2011)

Journal of the American Ceramic Society,9,p.2788, Impact Factor (2011) - 2.272, DOI LINKPDF

16. Synthesis and phase stability of precursor derived HfO2/Si-C-N-O nanocomposites

Sujith R, Kousaalya A and Kumar R (2011)

Ceramics International,Volume 38,p.1227, Impact Factor (2010) - 1.751. DOI LINKPDF

15. Interfacial morphology and nanomechanics of the cement of the barnacle, Amphibalanus reticulatus on metallic and non-metallic substrata

Sangeetha Raman and Ravi Kumar (2011)

Biofouling: The Journal of Bioadhesion and Biofilm Research, 27(6), p. 569, Impact Factor (2012) - 3.396. DOI LINK, PDF

14. Quasi-static uni-axial compression behaviour of hollow glass microspheres/epoxy based syntactic foams

Swetha C and Kumar R (2011) 

Materials and Design, 32(8-9), p. 4152, Impact Factor (2011) - 2.200. DOI LINK, PDF

2010

13. Doble M and Venkatesan R (2010) Barnacle cement: an etchant for stainless steel 316L?

Sangeetha R, Kumar R(2010)

Colloids and Surfaces B: Biointerfaces, 79(2), p. 524, Impact Factor (2010) - 2.780. DOI LINK, PDF

12. High temperature compression creep behavior of amorphous Si-B-C-N ceramics in controlled atmosphere

Kumar R, Eswarapragada C, Zimmermann A and Aldinger F (2010) 

Ceramic Transactions: American Ceramic Society, 210, p. 26. DOI LINK

11. Understanding the structure of the adhesive plaque of Amphibalanus reticulatus

Sangeetha R, Kumar R, Venkatesan R, Doble M, et al. (2010)

Materials Science and Engineering C: Materials for Biological Applications, 30(1), p. 112, Impact Factor (2010) - 2.177. DOI LINK, PDF

2008

10. 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 (2008) 

Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing, 477(1-2), p. 233, I

2007

09.  Oxidation induced effects on the creep properties of nano-crystalline boron doped silicon carbonitrides

Kumar R, Phillipp F and Aldinger F (2007)

Materials Science and Engineering A: Structural Materials: Properties, Microstructure and Processing, 445-446, p. 251, Impact Factor (2008) - 1.806. DOI LINK, PDF

2006

08. High temperature deformation behavior of nanocrystalline precursor derived Si-B-C-N ceramics in controlled atmosphere

Kumar R, Mager R, Phillipp F, Zimmermann A and Rixecker G (2006) 

International Journal of Materials Research, (formerly Zeitschrift für Metallkunde), 97, p.626. DOI LINK, PDF

07. Anelasticity of precursor derived Si-B-C-N ceramics

Kumar R, Rixecker G, and Aldinger F (2006) 

Journal of the European Ceramic Society, 27(2-3), p. 1475. DOI LINK, PDF

06. Processing, crystallization and characterization of polymer derived nano-crystalline Si-B-C-N ceramics

Kumar R, Cai Y, Gerstel P, Rixecker G and Aldinger F (2006) 

Journal of Materials Science, 41(21), p. 7088. DOI LINK, PDF

2005

05. Crystallization and creep behavior of Si-B-C-N ceramics

Kumar NVR, Prinz S, Cai Y, Zimmermann A, Berger F, Müller K and Aldinger F (2005)

Acta Materialia, 53(17), p. 4567. DOI LINK, PDF

2004

04. High temperature deformation behavior of crystallized Si-B-C-N ceramics obtained from a boron modified poly(vinyl)silazane polymeric precursor

Kumar NVR, Mager R, Cai Y, Zimmermann A, and Aldinger F (2004) 

Scripta Materialia, 51, p. 65. DOI LINK, PDF

2003

03. Creep behavior of a crystallized Si-B-C-N ceramic obtained from the polymer precursor T2-1 [B(C2H4Si(CH3)NH)3]n

Kumar NVR, Zimmermann A and Aldinger F, Editors: David F. Bahr, Harriet Kung, Neville R. Moody, Kathryn J. Wahl (2003) 

MRS Proceedings, 778, p. U1.6.1., DOI LINK

2001

02. Nano-crystalline ceramics by solid state thermolysis of organometallic polymers

Aldinger F, Prinz S, Janakiraman N, Kumar R, Christ M, Weinmann M and Zimmermann A (2001)

International Journal of Self-Propagating High-Temperature Synthesis 10(3), p. 249. DOI LINK, PDF

2000

01. Experimental determination of roll moment of inertia of cryogenic stage of GSLV

Kumar NVR, Sundaram S (2000) 

Department of Space, Government of India - (Doc No. ISRO-ISAC-GSLV-TE-0510) - Restricted.