Processing, microstructure and properties of ceramics, refractories, bioceramics, ceramic coatings (sol-gel, thermal sprayed), adhesion of ceramics to metals, ceramic and metal matrix composites, semiconductive and photocatalytic ceramics. ceramics for fuel cells, ceramic sensors, fracture and wear of ceramics, polymer matrix composites
Publications
Refereed Journal Publications
T Gong, Z Wang,Y Zhang, C Sun, Q Yang ,T Troczynski U Hafeli, “Preparation, characterization , release kinetics and in vitro cytotoxicity of calcium silicate cement as a risedronate delivery system”, Journal of Biomedical Materials Research Part A 102 (7) 2295-2304 (2014)
T Chae, H Yang , F Ko, T Troczynski, “Bio-inspired dicalcium phosphate anhydrate/poly(lactic acid) nanocomposite fibrous scaffolds for hard tissue regeneration: In-situ synthesis and electrospinning” , Journal of Biomedical Materials Research Part A 102 (2), 514-522 February 2014
T Chae, H Yang, V Leung(*), F Ko, T Troczynski, “Novel biomimetic hydroxyapatite/alginate nanocomposite fibrous scaffolds for bone tissue regeneration”, Journal of Materials Science: Materials in Medicine, August 2013 , Volume 24, Issue 8, pp 1885-1894
Shafiei, , C. Oprea, T. Troczynski, “Effect of porous alumina coatings on decreasing hydrogen damage to Pb(Zr,Ti)03″, Surface and Coatings Technology, Volume 224, 15 June 2013, Pages 29-33
A.Shafiei and T. Troczynski, “Dielectric spectroscopy study of hydrogen treated lead zirconate titanate (Pb (Zr,Ti)03)”, Physica Status Solidi “A”, 210(6) 1228-31, 2013
S. Zhou, J Ma, Y Shen, M Haapasalo, N.D Ruse, Q Yang , T Troczynsk i, “In vitro studies of calcium phosphate silicate bone cements”, J Mat Sci: Materials in Medicine, Feb 2013 , Vol 24, lss 2, pp 355-364
H.R. Zargar, C. Oprea, G. Oprea, T. Troczynski ” The effect of nano-Cr203 on solid-solution assisted sintering of MgO refractories”, Ceramics International , Vol 38 , Issue 8, Dec 2012, p 6235-6241
C.Oprea, F. Wong, H.K.Sharif, C. Blair, A Welch, Tom Troczynski , “Degradation of Silicon Nitride Glow Plugs in Various Environments Part 3: NGDI Engine”, Int J of Applied Ceramic Tech, Vol 9, p 272-279, April 2012
A Shafiei, C Oprea, T Troczynski, “Investigation of the Effects of High–Pressure Hydrogen on Pb (Zr, Ti) 03 (PZT) Ceramics”, in-print, Journal of the American Ceramic Society (fall 2012)
C. Oprea, F. Wong, H. Karimi Sharif, C. Blair, A . Welch, T. Troczynski, “Degradation of Silicon Nitride Glow Plugs in Various Environments Part 2: Gas Burner Rig”, Int. J. Appl. Ceram Tech, [9] 2 259 (2012)
A Shafiei, T Nickchi, C Oprea, A Alfantazi, T Troczynski , “Investigation of hydrogen effects on the properties of Pb (Zr, Ti) 03 in tetragonal phase using water electrolysis technique”, Applied Physics Letters 99 (21), 212903-212903-3 , (2011)
R. Lodha, C. Oprea, T. Troczynski and G. Oprea, “Sintering studies on magnesia-rich chrc;imium-free spinel- bonded basic refractories”, Industrial Ceramics, 31 (3), pp. 223-228, 2011
A Shafiei, C Oprea, A Alfantazi, T Troczynski, “In situ monitoring of the effects of hydrogen on Pb (Zr, Ti) 03 structure”, Journal of Applied Physics 109, 114108, 2011
F. Samanipour, M.R. Bayati, H.R. Zargar, F. Golestani-Fard, T. Troczynski, M. Taheri, “Electrophoretic enhanced micro arc oxidation of Zr02-HAp-Ti02 nanostructured porous layers”, Journal of Alloys and Compounds 509 9351- 9355 (2011)
F. Samanipour, M.R. Bayati, F. Golestani-Fard, H.R. Zargar, T. Troczynski, A.R. Mirhabibi, “An innovative technique to simply fabricate Zr02-HA-Ti02 nanostructured layers”, Colloids and Surfaces B: Biointerfaces 86 14-20 (2011)
C Oprea, F Wong , H Sharif, T Troczynski, C Blair and A Welch, ” Degradation of Silicon Nitride Glow Plugs in Various Environments Part 1: DC Electric Field in Ambient Air” Int J App Ceram Tech, [8] 3 669-683 2011
R. Lodha , G. Oprea, T. Troczynski, ” Role of Ti4+ and Sn4• ions in spinel formation and reactive sintering of magnesia-rich ceramics”, Ceramics International 37 465-470 (2011)
R. Lodha , C. Oprea, T. Troczynski and G. Oprea “Sintering studies on magnesia-rich chromium-free spinel-bonded basic refractories, Advances in Science and Technology, 70, 2010, pp. 108-113.
John Skrovan, Tom Troczynski and A. Alfantazi “The Role of Alumina in Aluminum Corrosion and Passivation”, ECS Trans. [28] No. 24 p157-169 (2010)
E. Czech and T. Troczynski, “Hydrogen generation through massive corrosion of deformed aluminum in water” Int. J. of Hydrogen Energy, [35] 3, 1029-1037 2010
J. Skrovan, T. Troczynski, and A.M. Alfantazi, “Enhanced Corrosion Properties of Aluminum in Water”, Journal of Applied Electrochemistry, [39] 1695-1702 2009
Rose Lars, Kesler Olivera, Deces-Petit Cyrille, Troczynski Tom, Marie Radenka, “Characterization of Porous Stainless Steel 430 For Low- And Intermediate-Temperature Solid Oxide Fuel Cell (SOFC) Substrates”, Int. J. of Green Energy, [6] No 6, p.638-645 (2009)
G. Ye and T. Troczynski, “Hydroxyapatite coatings By Pulsed Ultrasonic Spray Pyrolysis”, Ceramics Int. [34] 511-16 2008
R. Lodha, T. Troczynski and G. Oprea, “Role of oxide additives in the synthesis and sintering of magnesium aluminate spinel” lnterceram, 57(5) 2008, pp. 324-329 .
G. Ye, G. Oprea and T. Troczynski , “Synthesis of MgAl204 spinel from mechanically activated mixtures of magnesium hydroxide-boehmite -aluminum tri-hydroxide”, Refractories [5] 2008 (in Chinese)
Refereed Conference Proceedings
Rahul Lodha, Carmen Oprea, Tom Troczynski, George Oprea, “Effect Of Magnesia Dissolution In Non Stoichiometric Chromium-Free Complex Spinel”, Proceedings of the UNITECR 2013: Unified International Technical Conference on Refractories, Sept. 10-13, Victoria, BC Canada, pages 257-261, Published 2014/2/27
Rahul Lodha, George Oprea, Tom Troczynski, “Spinel Inversion And Lattice Parameters In Chromium-Free Spinel Solid Solutions”, Proceedings of the UNITECR 2013: Unified International Technical Conference on Refractories, Sept. 10-13, Victoria, BC Canada, pages 263-266, Published 2014/2/27
Hamidreza Zargar, George Oprea, Tom Troczynski, “Influence Of Solid Solution Formation On The Solid State Sintering Of MgCrZ04”, Proceedings of the UNITECR 2013: Unified International Technical Conference on Refractories, Sept. 10-13, Victoria, BC Canada, pages 313-317, Published 2014/2/27
R. Lodha, H. Zargar, C. Oprea, T. Troczynski and G. Oprea, “Effect of iron oxide in activated synthesis & sintering of complex spinel”, Proceedings of UNITECR 2011 Congress, 2-D-15, Oct 30-Nov.2, 2011, Kyoto, Japan
R. Lodha, H. Zargar, T. Troczynski and G. Oprea, “Magnesia rich complex spinel bonded basic castables”, Proc of the 12th Biennial Conference on Refractories, UNITECR 2011, Japan, 153-156
H. Zargar, R. Lodha, C. Oprea, G. Oprea and T. Troczynski, “Evaluation of the role of nano-chromia on densification of magnesia-chrome refractories”, Proceedings of UNITECR 2011 Congress, 2-E-8, Oct 30-Nov.2, 2011, Kyoto, Japan