PATENTS / AWARDS

List of Patents:

  1. US. Patent 4,578,115 dated 3/25/1986—“ Aluminum and Cobalt coated Thermal Spray Powder”
  2. US.Patent 4,559,270 dated 7/8/1986—“Zirconium Oxide Powder containing Ceria and Yttria”
  3. US.Patent 4,578,114 dated 3/25/1986—“Aluminum and Yttria Coated Thermal Spray Powder”
  4. US.Patent 4,692,305 dated 9/8/1987—Corrosion and Wear Resistant Alloy, Nickel/Cobalt based”
  5. US.Patent 4,725,508 dated 2/16/1988 – “Flame sprayable Carbide Powders Containing copper additives”
  6. US.Patent 4,822,415 dated 4/18/1989 –“Thermal Spray Iron Alloy powder containing Molybdenum , Copper and Boron”
  7. US.Patent 5,140,005 dated 8/18/1992 – Ceramic super conductive powder”
  8. US.Patent 5,196,471 dated 3/23/1993 – Thermal Spray Powders for Abradable Coatings containing solid lubricants and Methods of Fabricating Abradable coatings”
  9. US.Patent 5,262,206 dated 11/16/1993 –Method of making an Abradable Material by Thermal Spraying”
  10. Canadian Patent 1329064 dated 5/3/1994 – Abradable Coating and it’s method of Manufacture”
  11. US.Patent 5,631, 044 dated 5/20/1997 –“ Method of preparing Binder free clad powders”
  12. US.Patent 5,530,050 dated 6/25/1996 – “Thermal Spray Abradable powder for very high temperature Applications”
  13. US.Patent 5,385,789 dated 1/31/1995 – “ Composite Powders for Thermal Spray Coating”
  14. European Patent 487,273 B1 dated 14.06.95 “ “Thermal Spray Powder”
  15. US. Patent 6,197,437 B1 dated 3/6/2001 “ Casting Alloys and Method of Making Composite Barrels used in Extrusion and Injection Molding”
  16. Four Pending applications (New Braze Filler metal compositions)

PUBLICATIONS (incomplete list)

  1. Rangaswamy, S.Safai, H.Herman – “ Thermal Expansion Study of Plasma Sprayed Oxide Coatings” Thin Solid Films 73 (1980) P.43-52
  2. Ravishankar, C.Berndt, H.Herman, S.Rangaswamy – “ Acoustic Emission from Thermally Cycled Oxide Coatings” Ceramic Bulletin, May 1983
  3. Rangaswamy, F.Longo – “ Thermally Sprayed Ceramic Coatings” Proc. OEM Design Show and Conference, Philadelphia 1985
  4. Rangaswamy, F.Longo – “Performance of Ceramic Coatings” Materials Engineering, Oct 1985, P.51
  5. Rangaswamy, H.Herman – “ Metallurgical Characteristics of Plasma Sprayed WC-Co Coatings” Proc. Int Thermal Spray Conference, Montreal, 1986
  6. Harrington, S.Rangaswamy – Plasma Sprayed Aluminum-Yttria containing Ferrochrome and Nichrome Coatings” ASM (1984) Conference at Hilton Head, South Carolina
  7. Xao-Xi-Guo, H.Herman, S.Rangaswamy – “ Cavitation Erosion of Plasma Sprayed WC-Co” Of Int. Thermal Spray Conference, Montreal, 1986
  8. Rangaswamy, S.Safai, H.Herman – “ Thermal Expansion Behaviour of Plasma Sprayed Oxide coatings” Proc. Of International Thermal Expansion conference, Washington DC (1981)
  9. Sampath, H.Herman, S.Rangaswamy –Nickel-Aluminum Re-evaluated” Proc. of First National Thermal Spray Conference, Orlando, (1987)
  10. Novinski, S.Rangaswamy –“ Thermal Sprayed Abradable coatings” Proc. of First National Thermal Spray Conference, Orlando (1987)
  11. Rangaswamy, J.Harrington –“ Advanced Exothermic Composites” 1st Perkin Elmer Technical Symposium” 1984 ( Perkin Elmer Private)
  12. Rangaswamy, M.Magida – “Laser Surface Modification of Thermal Sprayed Coatings” 4th Perkin Elmer technical Symposium, 1987 (PE Private)
  13. Rangaswamy – “ Novel Corrosion and Wear Resistant Coatings” 4th Perkin Elmer Technical Symposium, 1987 (PE Private)
  14. Neiser, J.Kirkland, W.T.Elam, H.Herman, S.Rangaswamy – Electrical, Chemical, and structural Properties of Plasma Sprayed Y-Ba-Cu-Oxide superconducting coatings” Proceeding of MRS Meeting, Boston, Nov/Dec 1987
  15. A.Nieser, S.Rangaswamy, J.P.Kirkland, H.Herman, W.T.Elam,D.Sbare, et.al

“ Structure-Processing-Property Relationships in Thermal Sprayed Superconducting Oxide Coatings” 1988 National Thermal Spray Conference, Cincinnati, USA

  1. Wilber, J.Reardon, S.Rangaswamy – “Development of Plasma Sprayed Superconductors for Microwave applications.
  2. Magida, K.E.Daniel, S.Rangaswamy, X.X.Guo, H.Herman “Laser treated Plasma sprayed Nickel base Alloys” 1988 National Thermal Spray Conference, Cincinnati
  3. Sampath, H.Herman, S.Rangaswamy “ EXAFS studies on Plasma Spray Quenched materials” Annual Report, National Synchrotron Light source, Brookhaven National laboratory (1987)
  4. A.Kushner, S.Rangaswamy, A.J.Rotolico “ Thermal Spray Powders- manufacturing Methods and Quality control Procedures” Proceedings of 1st Plasma Technik Symposium, Lucerne, Switzerland (May 1988)
  5. A.Kushner, S.Rangaswamy, A.J.Rotolico “ Powder Manufacturing processes and Quality Control Procedures as related to Thermal Spray Coatings” Proceedings of ATTAC International Symposium, Osaka, Japan (1988)
  6. Sampath, G.A.Bancke, H.Herman, S.Rangaswamy “Plasma Sprayed Nickel Aluminum Coatings” Surface Engineering, 1989 Vol 5, No.4, P 293
  7. Heidi Filmer, Jorg Hochstrasser, A.R.Nicoll, S.Rangaswamy “Plasma Spray Depsoition of Alumina based Ceramic Coatings” Ceramic Bulletin Vol 69, No.12, 1990
  8. A.Miller, S.Rangaswamy. M.O.Borel, A.R.Nicoll- “ A New Engineered Abradable Seal Coating- Properties and performance” Proceedings of 3rd National Thermal Spray Conference, California, 1990 (P.125)
  9. Rangaswamy, R.Schmid “Advances in Abradable Coatings for Gas Turbines” National Thermal Spray Conference, Boston, 1994
  10. Rangaswamy, R.Schmid “ Recent developments in High temperature Abradable Coatings” Proc of ICMC, San Diego, April 1994.
  11. Rangaswamy, Deni Fortuna “ New Braze Filler Metals for Automotive Heat Exchangers and Catalytic Converter applications” ITSC 2007-Beijing