CERMET POWDER FOR SPRAY-COATING PROCESS HAVING IMPROVED BUILD-UP RESISTANCE AND SPRAY-COATING ROLL

摘要

Wherein the cermet powder comprises 3 to 8 mass% of Al, 16 to 16 mass% of Cr, and 15 to 15 mass% of Cr, based on the total amount of the cermet powder, to obtain a cermet powder for spraying on a roll surface of a roll of a high-To 25 mass% and Y in an amount of 0.1 to 1 mass%, the balance being at least one selected from the group consisting of Co and Ni, and an alloy powder containing 1 to 5 mass% of a boride and 5 to 10 mass% of a carbide based on the total amount of the cermet powder And is composed of at least one kind of ceramic powder.