Structure-processing-property relationships in bulk copper produced by cold gas dynamic spray processing

Paul D. Eason, Jason A. Fewkes, Shane C. Kennett, Timothy John Eden, Karem Tello, Michael J. Kaufman

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Cold gas dynamic spray (cold spray) processing has been demonstrated as an effective process for coating and repair utilizing many alloy systems. Free-form fabrication of bulk materials by cold spray remains on the periphery of potential applications. While particle deformation and inter-particle bonding mechanisms in the sprayed deposit have been modeled, the atomistic mechanisms involved in these processes have yet to be fully characterized. In this study, helium and nitrogen were employed, separately, as the main process gas in production of thick copper deposits to demonstrate the feasibility of creating bulk deposits by the cold spray process. The differences in microstructure, microhardness and annealing response between the two materials were characterized using a variety of methods including optical, scanning electron and transmission electron microscopy. The results will be presented to shed light on the fundamental limitations of the cold spray process for coating and bulk deposits.

Original languageEnglish (US)
Title of host publicationAdvances in Powder Metallurgy and Particulate Materials - 2010, Proceedings of the 2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010
Pages939-947
Number of pages9
StatePublished - 2010
Event2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010 - Hollywood, FL, United States
Duration: Jun 27 2010Jun 30 2010

Other

Other2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010
CountryUnited States
CityHollywood, FL
Period6/27/106/30/10

Fingerprint

cold gas
Gas dynamics
gas dynamics
sprayers
Copper
deposits
copper
Deposits
Processing
Copper deposits
coatings
Coatings
Helium
Microhardness
microhardness
Repair
Nitrogen
Gases
helium
optics

All Science Journal Classification (ASJC) codes

  • Metals and Alloys
  • Surfaces and Interfaces

Cite this

Eason, P. D., Fewkes, J. A., Kennett, S. C., Eden, T. J., Tello, K., & Kaufman, M. J. (2010). Structure-processing-property relationships in bulk copper produced by cold gas dynamic spray processing. In Advances in Powder Metallurgy and Particulate Materials - 2010, Proceedings of the 2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010 (pp. 939-947)
Eason, Paul D. ; Fewkes, Jason A. ; Kennett, Shane C. ; Eden, Timothy John ; Tello, Karem ; Kaufman, Michael J. / Structure-processing-property relationships in bulk copper produced by cold gas dynamic spray processing. Advances in Powder Metallurgy and Particulate Materials - 2010, Proceedings of the 2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010. 2010. pp. 939-947
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Eason, PD, Fewkes, JA, Kennett, SC, Eden, TJ, Tello, K & Kaufman, MJ 2010, Structure-processing-property relationships in bulk copper produced by cold gas dynamic spray processing. in Advances in Powder Metallurgy and Particulate Materials - 2010, Proceedings of the 2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010. pp. 939-947, 2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010, Hollywood, FL, United States, 6/27/10.

Structure-processing-property relationships in bulk copper produced by cold gas dynamic spray processing. / Eason, Paul D.; Fewkes, Jason A.; Kennett, Shane C.; Eden, Timothy John; Tello, Karem; Kaufman, Michael J.

Advances in Powder Metallurgy and Particulate Materials - 2010, Proceedings of the 2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010. 2010. p. 939-947.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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Eason PD, Fewkes JA, Kennett SC, Eden TJ, Tello K, Kaufman MJ. Structure-processing-property relationships in bulk copper produced by cold gas dynamic spray processing. In Advances in Powder Metallurgy and Particulate Materials - 2010, Proceedings of the 2010 International Conference on Powder Metallurgy and Particulate Materials, PowderMet 2010. 2010. p. 939-947