PURPOSE: To produce Ni-base alloy thermally sprayed powder excellent in adhesion and sulfide dew point corrosion resistance. ;CONSTITUTION: This Nu-base alloy thermally sprayed powder is the one having a compsn. contg., by weight, 17 to 35% Cr, 19 to 35% Mo, 1.1 to 8% Ta, 0.0001 to 3% Mn, 0.3 to 5% Si, 0.001 to 0.1% C and 0.0001 to 0.3% N and contg., at need, one or ≥ two kinds among the following (a) to (d), and the balance Ni with inevitable impurities: (a) 0.01 to 20% Fe, (b) at least one kind among 0.001 to 0.1% B, 0.001 to 0.1% Zr and 0.001 to 0.01% Ca, (c) at least one kind among 0.1 to 1% Nb, 0.1 to 4% W and 0.1 to 4% Cu and (d) at least one kind among 0.05 to 0.8% Ti, 0.01 to 0.8% Al, 0.1 to 5% Co and 0.1 to 0.5% V.;COPYRIGHT: (C)1995,JPO
展开▼
