NDLI: Estimating the Effect of Helium and Nitrogen Mixing on Deposition Efficiency in Cold Spray

Content Provider	Springer Nature Link
Author	Ozdemir, Ozan C. Widener, Christian A. Helfritch, Dennis Delfanian, Fereidoon
Copyright Year	2016
Abstract	Cold spray is a developing technology that is increasingly finding applications for coating of similar and dissimilar metals, repairing geometric tolerance defects to extend expensive part life and additive manufacturing across a variety of industries. Expensive helium is used to accelerate the particles to higher velocities in order to achieve the highest deposit strengths and to spray hard-to-deposit materials. Minimal information is available in the literature studying the effects of He-N$_{2}$ mixing on coating deposition efficiency, and how He can potentially be conserved by gas mixing. In this study, a one-dimensional simulation method is presented for estimating the deposition efficiency of aluminum coatings, where He-N$_{2}$ mixture ratios are varied. The simulation estimations are experimentally validated through velocity measurements and single particle impact tests for Al6061.
Starting Page	660
Ending Page	671
Page Count	12
File Format	PDF
ISSN	10599630
Journal	Journal of Thermal Spray Technology
Volume Number	25
Issue Number	4
e-ISSN	15441016
Language	English
Publisher	Springer US
Publisher Date	2016-03-08
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Al6061 aluminum cold spray deposition efficiency gas mixing modeling Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings Characterization and Evaluation of Materials Operating Procedures, Materials Treatment Analytical Chemistry
Content Type	Text
Resource Type	Article
Subject	Surfaces, Coatings and Films Materials Chemistry Condensed Matter Physics

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