Book chapters
A. K. Naik, D. K. V. D. Prasad, T. Laha, S. Roy, Development and Characterization of Lightweight ZrB2–B4C Functionally Graded Composites, TMS 2024: TMS 2024 153rd Annual Meeting & Exhibition Supplemental Proceedings pp 522–529, doi: 10.1007/978-3-031-50349-8_44
S. Roy, J. Gibmeier, K. A. Weidenmann, A. Wanner, Effect of phase architecture on mechanical properties of interpenetrating metal/ceramic composites, pp. 77-86, in Materials Challenges and Testing for Manufacturing, Mobility, Biomedical Applications and Climate Ed.: W. Udomkichdecha, T. Böllinghaus, A. Manonukul, J. Lexow, Springer, Switzerland, 2014 (ISBN: 978-3-319-11339-5)
S. Roy, J. Gibmeier, K.A. Weidenmann, A. Wanner, Mechanical properties of innovative metal/ceramic composites based on freeze-cast ceramic preforms, pp. 213-220, in Materials Challenges and Testing for Supply of Energy and Resources Ed.: T. Böllinghaus, J. Lexow, T. Kishi, K. Kitagawa, Springer, Germany, 2012 (ISBN: 978-3-642-23347-0)
S. Roy, Metal/ceramic composites from freeze-cast preforms: domain structure and mechanical properties, Dissertation, University of Karlsruhe (TH), Germany, publication series: Werkstoffwissenschaft und Werkstofftechnik Ed.: D. Löhe, A. Wanner, P. Gumbsch, O. Kraft, P. Elsner, V. Schulze, Shaker Verlag GmbH, Aachen, Germany, 2009 (ISBN: 978-3-8322-8581-4)
Peer-reviewed journals
A. Naik, G. Kallien, K. G. Schell, M. Patel, T. Laha, S. Roy, A Comparative Study of Structural, Mechanical, and Thermal Shock Properties in ZrB2-B4C-SiC-LaB6 Functionally Graded and Non-Graded Composites, Journal of Alloys and Compounds, 2025, accepted
K. K. Nidhi, S. Roy, S. B. Singh, Microstructure evolution and mechanical behaviour of as-cast chromium-containing ductile iron, Materials Science and Technology, 2025, accepted, https://doi.org/10.1177/02670836251349084
Siddharth., S. Tiwari, P. Biswas, N. Mandal, S. Roy, Effect of SiC Particle Size and content on the mechanical and tribological properties of porous Si3N4-SiC Composites fabricated following a facile low-temperature processing route, Ceramics International, 51, 19508-19523, 2025, https://doi.org/10.1016/j.ceramint.2025.02.126
Md. Nazeer, A. K. Naik, D. K. V. D. Prasad, L. K. Pillari, L. Bichler, T. Laha, S. Roy, Influence of B4C content and particle size on the mechanical properties of Al2O3-B4C composites, International Journal of Applied Ceramic Technology, e15067, 2025, https://doi.org/10.1111/ijac.15067
S. Ray, S. K. Kar, A. Wanner, S. Roy, Non-destructive ultrasound phase spectroscopy for the analysis of elastic properties of complex hybrid materials, Transactions of the Indian Institute of Metals, 78, 85, 2025, https://doi.org/10.1007/s12666-025-03555-5
S. Roy, Properties and advanced applications of porous ceramic composites, Open Ceramics, 21, 100714, 2025, https://doi.org/10.1016/j.oceram.2024.100714
S. Sarkar, B, Dam, U. Dey, N. Mandal, C. S. Kumar, I. Manna, S. Roy, Effect of dispersion technique and applied load on the dry sliding wear behavior of combined stir-squeeze-cast AA6061-0.5 wt. % CNT composite against a steel counter body at both room temperature and elevated temperature, Wear, 562-563, 205656, 2024, https://doi.org/10.1016/j.wear.2024.205656
S. Ray, S. K. Kar, S. Roy, Effect of porosity and pore morphology on the elastic properties and compressive deformation behavior of porous copper fabricated via space-holder route, Advanced Engineering Materials, 2401682, 2024, DOI: 10.1002/adem.202401682
C. Kumar, I. Sen, S. Roy, Synergistic effect of ex-situ and in-situ reinforcements on the dry reciprocating wear behavior of AA6061-B4C composite fabricated using varying K2TiF6 flux content, Journal of Materials Engineering and Performance, 2024, doi: 10.1007/s11665-024-10106-4
A. K. Naik, L. K. Pillari, K. Lessoway, L. Bichler, T. Laha, S. Roy, A comparative assessment of thermal conductivity of monolithic and functionally graded ZrB2-B4C-SiC-LaB6 ultra-high-temperature ceramic composites, Open Ceramics, 19, 100653, 2024, https://doi.org/10.1016/j.oceram.2024.100653
N. Kota, S. Roy, Mechanical properties of a novel Al-Si alloy/Si3N4 interpenetrating phase composite based on a nanoporous preform fabricated at 1200 °C, Composites Communications, 49, 101982, 2024, https://doi.org/10.1016/j.coco.2024.101982
S. K. Nandi, A. Matthews, P. J. Withers, J. Stermsek, C. Fuchs, S. Roy, I. Manna, Functionally graded TribaloyTM T800 and austenitic stainless steel by laser additive manufacturing, Materials Today Communications, 39, 109274, 2024, https://doi.org/10.1016/j.mtcomm.2024.109274
A. K. Naik, L. K. Pillari, M. Patel, L. Bichler, T. Laha, S. Roy, Development of a functionally graded ZrB2-B4C ultra high temperature ceramic composite tile by vacuum hot pressing, Journal of Materials Science, 2024, 59, 8682-8705, 2024, https://doi.org/10.1007/s10853-024-09720-3
S. Maharshi, Siddharth., R. Mitra, S. Roy, Development of a low-temperature novel porous Si3N4–Al2O3 composite with excellent specific mechanical properties, Materials Chemistry and Physics, 319, 129372, 2024, https://doi.org/10.1016/j.matchemphys.2024.129372
S. K. Nandi, R. Ajithkannan, P. J. Withers, A. Matthews, S. Roy, I. Manna, Effect of laser process parameters on the dilution, microstructure, and wear behaviour of TribaloyTM T800 cladding on AISI 316 stainless steel, Journal of Materials Science, 59, 9042-9058, 2024, https://doi.org/10.1007/s10853-024-09593-6
S. Ray, S. K. Kar, S. Roy, An ultrasonic study of the effect of uniaxial green compaction pressure on the elastic anisotropy of porous copper fabricated using the pore-former route, Materials Chemistry and Physics, 316, 129094, 2024, https://doi.org/10.1016/j.matchemphys.2024.129094
Siddharth, S. Roy, Mechanical properties of porous Si3N4-SiC composites fabricated at 1200 °C, Ceramics International, 50, 13621-13633, 2024, https://doi.org/10.1016/j.ceramint.2024.01.276
S. Roy, Recent developments in processing techniques and morphologies of bulk macroporous ceramics for multifunctional applications, Materials Today Communications, 38, 107752, 2024, https://doi.org/10.1016/j.mtcomm.2023.107752
A. K. Naik, S. Maharana, L. Bichler, T. Laha, S. Roy, Study of the influence of ZrB2 content and thermal shock on the elastic modulus of spark plasma sintered ZrB2-B4C composites using a non-destructive ultrasonic technique, Journal of the European Ceramic Society, 44, 679-692, 2024, https://doi.org/10.1016/j.jeurceramsoc.2023.09.065
S. Sarkar, S. Ray, U. Dey, C. Kumar, P. C. Chakraborti, G. Mukhopadhyay, C. S. Kumar, S. Roy, Establishment of a facile technique to fabricate bulk AA6061/CNT composite with improved mechanical properties using combined stir-casting and squeeze-casting, Materials Today Communications, 37, 107471, 2023, https://doi.org/10.1016/j.mtcomm.2023.107471
N. Kota, S. Roy, Effect of H3PO4 content and processing temperature on the structure and mechanical properties of porous Si3N4, Ceramics International, 49, 37174-37186, 2023, https://doi.org/10.1016/j.ceramint.2023.09.041
C. Kumar, S. Sarkar, G. Mukhopadhyay, P. C. Chakraborti, I. Sen, S. Roy, Systematic study of the effect of K2TiF6 flux content on the microstructure and mechanical properties of Al-B4C composites, Materials Science and Engineering A, 871, 144913, 2023, https://doi.org/10.1016/j.msea.2023.144913
P. Bhuyan, N. Kota, D. Bairagi, S. Sahasrabudhe, S. Roy, S. Mandal, Unveiling the corrosion perspective of Al-Si alloy/SiC foam interpenetrating phase composite, Materials Today Communications, 35, 105495, 2023, https://doi.org/10.1016/j.mtcomm.2023.105495
Siddharth, P. Jana, S. Dietrich, S. Roy, Effect of SiC particle size on the strength and stiffness of porous Si3N4-SiC composites fabricated via a low-temperature sintering process, Materials Science and Engineering A, 864, 144614, 2023, https://doi.org/10.1016/j.msea.2023.144614
M. K. Nayak, S. Roy, I. Manna, Effect of substrate surface roughness on the microstructure and properties of laser surface cladding of Tribaloy T-400 on mild steel, Surface and Coatings Technology, 455, 129210, 2023, https://doi.org/10.1016/j.surfcoat.2022.129210
S. Ray, P. Jana, S. K. Kar, S. Roy, Influence of monomodal K2CO3 and bimodal K2CO3 + NaCl as space holders on microstructure and mechanical properties of porous copper, Materials Science and Engineering A, 862, 144516, 2023, https://doi.org/10.1016/j.msea.2022.144516
S. Roy, P. Albrecht, K. A. Weidenmann, Influence of ceramic freeze-casting temperature on the anisotropic thermal expansion behaviour of corresponding interpenetrating metal/ceramic composites, Journal of Materials Engineering and Performance, 32, 8795-8806, 2023, https://doi.org/10.1007/s11665-022-07769-2
N. Kota, P. Jana, S. Roy, Elastic properties of porous silicon nitride fabricated via a low-temperature sintering route, Ceramics International, 49, 7066-7079, 2023, https://doi.org/10.1016/j.ceramint.2022.10.178
A. K. Naik, Md. Nazeer, D. K. V. D. Prasad, T. Laha, S. Roy, Development of functionally graded ZrB2-B4C composites for lightweight ultrahigh-temperature aerospace applications, Ceramics International, 48, 33332-33339, 2022, https://doi.org/10.1016/j.ceramint.2022.07.276
Md. Nazeer, P. Jana,M. J. Oza, K. G. Schell, E. C. Bucharsky, T. Laha, S. Roy, Ultrasonic study of the elastic properties of monolithic and hybrid functionally graded composites with equivalent overall compositions, Materials Letters, 323, 132594, 2022, https://doi.org/10.1016/j.matlet.2022.132594
P. Maurya, N. Kota, J. Gibmeier, A. Wanner, S. Roy, Review on study of internal load transfer in metal matrix composites using diffraction techniques, Materials Science and Engineering A, 840, 142973, 2022, https://doi.org/10.1016/j.msea.2022.142973
P. Jana, S. Ray, D. Goldar, N. kota, S. K. Kar, S. Roy, Study of the elastic properties of porous copper fabricated via the lost carbonate sintering process, Materials Science and Engineering A, 836, 142713, 2022, https://doi.org/10.1016/j.msea.2022.142713
M. Sai Charan, A. K. Naik, N. Kota, T. Laha, S. Roy, Review on development of functionally graded composite materials, International Materials Reviews, 67, 797-863, 2022, https://doi.org/10.1080/09506608.2022.2026863
P. Jana, M. J. Oza, K. G. Schell, E. C. Bucharsky, T. Laha, S. Roy, Study of the elastic properties and thermal shock behavior of Al-SiC-graphite hybrid composites fabricated by spark plasma sintering, Ceramics International, 48, 5386-5396, 2022, https://doi.org/10.1016/j.ceramint.2021.11.082
N. Kota, M. Sai Charan, T. Laha, S. Roy, Review on development of metal/ceramic interpenetrating phase composites and critical analysis of their properties, Ceramics International, 48, 1451-1483, 2022, https://doi.org/10.1016/j.ceramint.2021.09.232
P. Maurya, L. Vaishnavi, I. Sen, S. Roy, A critical assessment of the processing parameters yielding an optimum combination of mechanical properties in cast Al-B4C composites, Transactions of the Indian Institute of Metals, 74, 1279-1294,2021, https://doi.org/10.1007/s12666-021-02220-x
N. Kota, P. Jana, S. Sahasrabudhe, S. Roy, Processing and characterization of Al-Si alloy/SiC foam interpenetrating phase composite, Materials Today Proceedings, 44, 2930-2933, 2021, https://doi.org/10.1016/j.matpr.2021.01.923
M. J. Oza, K. G. Schell, E. C. Bucharsky, T. Laha, S. Roy, Developing a hybrid
Al-SiC-graphite functionally graded composite material for optimum composition and mechanical properties, Materials Science and Engineering A, 805, 140625, 2021, https://doi.org/10.1016/j.msea.2020.140625
S. Roy, A. Nagel, K. A. Weidenmann, Anisotropic thermal expansion behavior of an interpenetrating metal/ceramic composite, Thermochimica Acta, 684, 178488, 2020, https://doi.org/10.1016/j.tca.2019.178488
S. Roy, J. Frohnheiser, A. Wanner, Effect of ceramic preform freeze-casting temperature and melt infiltration technique on the mechanical properties of a lamellar metal/ceramic composite, Journal of Composite Materials, 54(15), 2001-2011, 2020, DOI: 10.1177/0021998319890661
S. Roy, J. Gibmeier, K. G. Schell, E. C. Bucharsky, K. A. Weidenmann, A. Wanner. M. J. Hoffmann, Internal load transfer in an interpenetrating metal/ceramic composite material studied using energy dispersive synchrotron X-ray diffraction, Materials Science and Engineering A, A753, 247-252, 2019, https://doi.org/10.1016/j.msea.2019.03.049
S. Roy, K. G. Schell, E. C. Bucharsky, K. A. Weidenmann, A. Wanner, M. J. Hoffmann, Processing and characterization of elastic and thermal expansion behaviour of interpenetrating Al12Si/alumina composites, Materials Science and Engineering A, A743, 339-348, 2019, https://doi.org/10.1016/j.msea.2018.11.100
C. Simpson, P. J. Withers, T. Lowe, S. Roy, A. Wanner, Damage evolution in freeze cast metal/ceramic composites exhibiting lamellar microstructures, Frattura ed Integritá Strutturale, 33, 134-142, 2015, DOI: 10.3221/IGF-ESIS.33.17
S. Roy, J. Gibmeier, V. Kostov, K. A. Weidenmann, A. Nagel, A. Wanner, Load partitioning study in a 3D interpenetrating AlSi12/Al2O3 metal/ceramic composite, Materials Science Forum, 772, 103-107, 2014, doi:10.4028/www.scientific.net/MSF.772.103
Y. Sinchuk, S. Roy, J. Gibmeier, R. Piat, A. Wanner, Numerical study of internal load transfer in metal/ceramic composites based on freeze-cast ceramic preforms and experimental validation, Materials Science and Engineering A, A585, 10-16, 2013, http://dx.doi.org/10.1016/j.msea.2013.07.022
S. Roy, K. G. Schell, E. C. Bucharsky, K. A. Weidenmann, A. Wanner, M. J. Hoffmann, Characterisation of elastic properties in porous silicon carbide performs fabricated using polymer waxes as pore formers, Journal of the American Ceramic Society, 96, 2269-2275, 2013, DOI: 10.1111/jace.12341
S. Roy, P. Albrecht, L. Przybilla, K. A. Weidenmann, M. Heilmaier, A. Wanner, Effect of phase architeture on thermal expansion behavior of interpenetrating metal/ceramic composites, Ceramic Transactions, 240, 33-43, 2013,
S. Roy, K. G. Schell, C. Bucharsky, P. Hettich, S. Dietrich, K. A. Weidenmann, A. Wanner, M. J. Hoffmann, Processing and elastic property characterisation of porous SiC preform for interpenetrating metal/ceramic composites, Journal of The American Ceramic Society, 95, 3078-3083, 2012, DOI: 10.1111/j.1551-2916.2012.05347.x
S. Roy, J. Gibmeier, V. Kostov, K. A. Weidenmann, A. Nagel, A. Wanner, Internal load transfer and damage evolution in a 3D interpenetrating metal/ceramic composite, Materials Science and Engineering A, A551, 272-279, 2012, http://dx.doi.org/10.1016/j.msea.2012.05.016
S. Roy, J-M. Gebert, G. Stasiuk, R. Piat, K. A. Weidenmann, A. Wanner, Complete determination of elastic moduli of interpenetrating metal/ceramic composites using ultrasonic techniques and micromechanical modelling, Materials Science and Engineering A, A528, 8226-8235, 2011, doi:10.1016/j.msea.2011.07.029
S. Roy, A. Wanner, T. Beck, T. Studnitzly, G. Stephani, Mechanical properties of cellular solids produced from hollow stainless steel spheres, Journal of Materials Science, 46, 5519-5526, 2011, DOI 10.1007/s10853-011-5496-6
S. Roy, O. Stoll, K. A. Weidenmann, A. Nagel, A. Wanner, Analysis of the elastic properties of an interpenetrating AlSi12-Al2O3 composite using ultrasound phase spectroscopy, Composites Science and Technology, 71, 962-968, 2011, doi:10.1016/j.compscitech.2011.02.014
S. Roy, J. Gibmeier, V. Kostov, K. A. Weidenmann, A. Nagel, A. Wanner, Internal load transfer in a metal matrix composite with a three dimensional interpenetrating structure, Acta Materialia, 59, 1424-1435, 2011, doi:10.1016/j.actamat.2010.11.004
S. Roy, B. Butz, A. Wanner, Damage evolution and domain-level anisotropy in metal/ceramic composites exhibiting lamellar microstructures, Acta Materialia, 58, 2300-2312, 2010, doi:10.1016/j.actamat.2009.12.015
R. Piat, S. Roy, A. Wanner, Material parameter identification of interpenetrating metal/ceramic composites, Key Engineering Materials, 417-418, 53-56, 2010, doi:10.4028/www.scientific.net/KEM.417-418
S. Roy, J. Gibmeier, A. Wanner, Residual stresses in novel metal/ceramic composites exhibiting a lamellar microstructure, Powder Diffraction Suppl., 24(S1), S59-S64, 2009,
S. Roy, J. Gibmeier, A. Wanner, In-situ study of internal load transfer in a novel metal/ceramic composite exhibiting lamellar microstructure using energy dispersive synchrotron X-ray diffraction, Advanced Engineering Materials, 11, 471-477, 2009, DOI: 10.1002/adem.200800352
T. Ziegler, A. Neubrand, S. Roy, A. Wanner, R. Piat, Elastic constants of metal/ceramic composites with lamellar microstructures: finite element modelling and ultrasonic experiments, Composites Science and Technology, 69, 620-626, 2009, doi:10.1016/j.compscitech.2008.12.009
S. Roy, A. Wanner, Metal/ceramic composites from freeze-cast ceramic preforms: domain structure and elastic properties, Composites Science and Technology, 68, 1136–1143, 2008, doi:10.1016/j.compscitech.2007.06.013
Conference and other oral presentations
The art of writing a winning research proposal, 5 Day's International FDP Program “Bridging Research & Funding: Unlocking Grants for Industry & Academia” Kolkata, India, April 2025 (invited lecture)
Effect of Graded Microstructure on the Modulus, Hardness and Strength of Hot-pressed ZrB2-B4C FGM, TMS 2025 Annual Meeting & Exhibition, Las Vegas, Nevada, USA, March 2025 (co-author)
Systematic Study of the Effect of K2TiF6 Flux Content on the Microstructure and Mechanical Properties of Al–B4C Composites, TMS 2025 Annual Meeting & Exhibition, Las Vegas, Nevada, USA, March 2025 (co-author)
Advanced Metal/ceramic composites with interpenetrating architectures for optimum functionality, Short Term Training Program on Advanced Composite Materials for Next-Gen Technologies, National Institute of Technology Jamshedpur, India, January 2025 (invited lecture)
Effect of dispersion technique and applied load on the dry sliding wear behavior of combined stir-squeeze-cast AA6061-0.5 wt. % CNT composite against a steel counter body at both room temperature and elevated temperature, 5th Indo-Austrian Symposium on Materials Engineering (IASME 2024), Kharagpur, India, December 2024 (co-author)
Development of ZrB2-B4C functionally graded materials for light weight ultrahigh-temperature aerospace application, 6th International Conference on Processing and Characterization of Materials (ICPCM 2024), Rourkela, India, December 2024 (co-author)
Novel 3D interpenetrating Al-Si alloy/Si3N4 composite based on porous Si3N4 fabricated at low temperature, 5th Indo-Austrian Symposium on Materials Engineering (IASME 2024), Kharagpur, India, December 2024 (co-author)
Novel multi-functional low-temperature fabricated porous Si3N4-SiC composites for high-temperature applications, International Conference on Advanced Ceramics for Sustainability (CERA4S 2024), Chennai, India, November 2024 (co-author)
European Materials Research Society (EMRS) 2024 Spring Meeting, Strasbourg, France, May 2024
International Conference on EXPLORING THE EMERGING WORLD OF CERAMICS AND GLASS(ICEECG 2023), CGCRI, Kolkata, India, December 2023
FEMS EUROMAT 2023, Frankfurt, Germany, September 2023
International Conference on Global Trends in Traditional to Space Ceramics (GT-TSC'22), IIT-BHU, December 8-9, 2022
6th International Congress on 3D Materials Science Washington DC, June 29th, 2022
Third Indian Materials Conclave and 32nd Annual General Meeting of MRSI, 22.12.2021
19. Symposium: DGM Verbundwerkstoffe und Werkstoffverbunde, 3-5th July 2013, Karlsruhe, Germany
Workshop Research in Mechanics of Composites, Dec 6-7, 2012, Bad Herrenalb, Germany
CELLMAT 2012, Nov 7-9, 2012, Dresden, Germany
MS&T 2012, Oct 7-11, 2012, Pittsburgh, USA
3rd World Materials Research Institute Forum (WMRIF) Workshop for Young Scientists, Aug 27 – Aug 31 2012, Bangkok, Thailand
Sitzung des DGM-Fachausschusses “Metallische Verbundwerkstoffe”, May 24, 2012, Lausanne, Switzerland
Sitzung des DGM-Fachausschusses “Metallische Verbundwerkstoffe”, November 15, 2011, Aalen, Germany
6th International Conference on Mechanical Stress Evolution by Neutrons and Synchrotron Radiation (MECASENS 6), September 7-9, 2011, Hamburg, Germany
18. Symposium: DGM Verbundwerkstoffe und Werkstoffverbunde, Mar 30 – Apr 01 2011, Chemnitz, Germany
2nd World Materials Research Institute Forum (WMRIF) Workshop for Young Scientists, Aug 31 – Sept 3 2010, Berlin, Germany
17th International Conference on Composite Materials, July 27-31, 2009, Edinburgh, Scotland
Sitzung des Fachausschusses 13 Eigenspannungen, 05-06 May 2009, Oppurg, Germany
13th European Conference on Composite Materials (ECCM13), June 2-5, 2008, Stockholm, Sweden
National Metallurgical Day Annual Technical Meeting (NMD-ATM, 2007), November 14-16, 2007, Mumbai, India