Patent ID: 6264766
Filing Date: 2001-07-24
Classification: C23C,Y02T,Y10S,Y10T

Abstract:
A method of forming a bond coat, comprising the following steps:providing a screen which comprises interwoven wires defining substantially rectangular openings;providing a powder which comprises a combination of AlSi and a metallic alloy selected from the group consisting of (i) MCrAlY, (ii) NiCr, and (iii) Ni--Al--B, wherein M is at least one of nickel, iron, and cobalt; andplasma spraying the powder on the screen and around the interwoven wires defining substantially rectangular openings, wherein the step of plasma spraying comprises at least one of covering by spraying at least portions of the interwoven wires and filling by spraying portions of the substantially rectangular openings, to form an uneven, undulated, and irregular surface, wherein the powder is positioned covering at least portions of the interwoven wires, and filling portions of the substantially rectangular openings.