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Effect of material properties of cold-sprayed particles on its impacting behavior |
北京科技大学 |
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Cite this article:
. Effect of material properties of cold-sprayed particles on its impacting behavior. Acta Metall Sin, 2008, 44(11): 1286-1291 .
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Abstract The deformation behavior of Cu, Al, Ti alloy and Ni alloy particles upon Cu substrates in cold spraying was studied using the finite element analysis, and effect of material properties of cold-sprayed particles on its impacting behavior. The results indicated that, compared to the substrate, particles with higher effective plastic limit were inclined to undergo adiabatic shear instability. The substrate without adiabatic shear instability released deformation energy, which lead to rebound of particles. Adiabatic shear instability wasn’t observed in particles with lower effective plastic limit, and the release of the deformation energy promoted the adiabatic shear instability of substrate.
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Received: 28 April 2008
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