Recent Journal Articles

  • Rokni, M.R., Widener C., and Champagne V.R., “Microstructural Stability of Ultrafine Grained Cold Sprayed 6061 Aluminum Alloy,” Applied Surface Science 290 (2014) 482-489.
  • Rokni, M. R., Widener, C. A., Ahrenkiel, S. P., Jasthi, B. K., & Champagne, V. R., “Annealing behaviour of 6061 aluminium deposited by high pressure cold spray. Surface Engineering,” 22 (2014) 63-69.
  • Rokni, M. R., Widener, C. A., and Champagne, V. R., “Microstructural Evolution of 6061 Aluminum Gas-Atomized Powder and High-Pressure Cold-Sprayed Deposition,” Journal of Thermal Spray Technology, 2014, 1-11.

Recent Conference Proceedings

  • Hammel, Joshua, Langerman, Michael, and Saunders, Nathan, “Radiometric and Metallurgical Analysis of Zone Formation in Elementary Laser Deposited Thin-Wall Structures,” IMECE2013-62142, ASME 2013 International Mechanical Engineering Congress & Exposition, November 15-21, 2013.

  • Widener, C.A.; Franklin, J.; Jasthi, B.K.; West, M.K., “Mechanical Properties of Repaired 7075-T73 Friction Stir Butt Welds,” 2013 TMS Annual Meeting, Friction Stir Welding and Processing VIII, March 5-7, 2013.

  • Timothy Johnson, Todd Curtis, Bharat Jasthi, Eric East, Christian Widener, Michael West, “Effect of Friction Stir Processing on Armor Grade Materials,” 2013 TMS Annual Meeting, Friction Stir Welding and Processing VIII, March 5-7, 2013.

  • Bharat Jasthi, Erik Klinckman, Todd Curtis, Christian Widener, Michael West, Robert Ruokolainen, Ashish Dasgupta, “Effect of Post-weld Aging on the Corrosion Resistance and Mechanical Properties of Friction Stir Welded Aluminum Alloy 7475-T73,” 2013 TMS Annual Meeting, Friction Stir Welding and Processing VIII, March 5-7, 2013.

  • Blosmo, D.J., T. Curtis, T. Johnson, N. Procive, C.A. Widener, B. Carlson, R. Szymanski, and M.K. West, FSSW of Mg to Al with a Cold Sprayed Interlayer, TMS Annual Meeting 2011: San Diego, CA. p. 409-416.

  • Procive, N., D. Blosmo, T. Johnson, T. Curtis, M. West, and B. Jasthi, C. Widener, Friction Stir Processing of Cold Spray Depositions for Enhanced Surface Properties, in MS&T'11. 2011: CD-ROM, Columbus, OH.

  • Widener, C.A.; Blosmo, D.J.; Curtis, T.; Jasthi, B.K., “Investigation of the Repair of Aluminum Cladding Using Supersonic Cold Spray for Corrosion Protection,” 2011 DOD Corrosion Conference, La Quinta, CA, July 31-August 5, 2011.

  • Joshua J. Hammell, Christopher J. Ludvigson, Michael A. Langerman and James W. Sears, “Thermal Imaging of Laser Powder Deposition for Process Diagnostics,” ASME 2011 International Mechanical Engineering Congress and Exposition, November 11–17, 2011.

  • Sylva, G. and Widener, C.A.  “Development of Simultaneous Opposed Welding of Al-7249 Extrusions with Large Recrystallized Grains Using the Self Reacting FSW Process,” 8th International Friction Stir Welding Symposium, Strand, Germany, May 18-20, 2010.

Articles Online


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Widener, C.A., Hrabe, R.; Champagne, V., “Cold Spray System With Upstream Mixing And Hand Held Spray Nozzle Suitable for Robotic Manipulation,” US Patent Application – 61/719,632, 2012.
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Widener, C.A.; Hrabe, R.; James, B.; Champagne, V.; Britton, O.; Well, A. ”System for Cold Spray Repair of Aluminum Aircraft Skin Fastener Holes,” US Patent Application - 61/719,641, 2012.
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Hrabe, R.; James, B.; Widener, C.A.; Champagne, V., “Cold Spray Wear Coating for Hydraulic Lines,” US Patent Application, 61/719,636, 2012.