Improving cold sprayability : mixed metal powders

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TypeArticle
Proceedings titleProceedings from the International Thermal Spray Conference
ConferenceThermal Spray 2015: Proceedings from the International Thermal Spray Conference, May 11-14, 2015, Long Beach, California, USA
Pages473478; # of pages: 6
AbstractIn this paper, it is shown that mixing metal powders can lead to improvements in cold sprayability (i.e. increases in the deposition efficiency and decreases in the porosity) of the ‘matrix' powder. This finding is illustrated with the following ‘binary' mixtures: Ti – 6Al-4 V and commercial purity Ti; stainless steel and iron; spherical tantalum with irregular tantalum and two types of spherical tantalum with different characteristics. It is shown that a critical addition can significantly influence cold sprayability, but above this, there is little change in cold sprayability. Hardness differences are considered to be the first order influence, but differences in particle sizes and morphology may also be contributing factors.
Publication date
LanguageEnglish
AffiliationAutomotive and Surface Transportation; National Research Council Canada
Peer reviewedYes
NPARC number21275333
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Record identifier2b7e5d75-6f16-4090-b8f2-333057ef533d
Record created2015-06-11
Record modified2016-05-09
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