Abstract:A new method, electro-thermal explosion ultra-high speed spraying, was utilized to
produce the Mo-Si or Mo-Si-B coatings. Experimental results showed that submicron-grain pure
MoSi2 phase coating and boron alloyed MoSi2-MoB2 multiphase coatings were in-situ synthesized on
GH3039 nickel-based superalloy substrate. Erosion-resistance test of GH3039 nickel-based
superalloy and MoSi2-based coatings were performed under high temperature(800°C) with GW/CS –
MS erosion wear tester. Quartz sand was employed as erosive… Show more
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