Abstract
This report analyzes the cost structure of the cold spray process using a generic model applicable to various systems (high pressure, low pressure, kinetic) and applications (coating, restoration, additive manufacturing, near-net forming). The cost model is relatively easy to use, yet sufficiently accurate to support decisions. It is shown that high-pressure spraying is generally favorable, that He-N2 gas blends are the most economic, and that He recovery is beneficial in high-volume production, even when He-N2 blends are used. The cost model makes it possible to determine the optimal He concentration of the propellant gas for a given application as demonstrated in a case study involving bond coats for gas turbine blades.
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Copyright © 2013 ASM International. All rights reserved.
2013
ASM International
Issue Section:
Cold Spray
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