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Structural Transformation and Mechanical Properties of Cold Sprayed Nickel Coatings after Annealing

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Academic year: 2021

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Figure 1. Schematic diagram of the cold spray system
Figure 2. Morphology of nickel powder (a) and particle size distribution
Figure 3. (a) SEM micrograph (left) and EBSD map (right) of the cross-section of nickel  particles, (b) SEM micrograph of the surface of as-sprayed coating
Figure 4b shows the IQ map of the cross-section of the same region as figure 4a. In the IQ map,  lower IQ value was shown in darker color, indicating higher crystal strain; higher IQ value was  shown in brighter color, indicating lower crystal strain in th
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