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Al–Cu–Cr quasicrystalline (QC) coatings were prepared from coarse feedstock powders by a high velocity oxy-fuel (HVOF) system DJ2700. The contrast experiments were performed by low power atmospheric plasma spray (LPAPS) using the same Al 65 Cu 20 Cr 15 QC powders, and by HVOF spraying Cu180 powders with the size of 44–61μm. The phase composition, microstructure and microhardness...
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