Patent ID: 8017250
Filing Date: 2011-09-13
Classification: B23P,C23C,F01D,F05D,Y10T

Abstract:
1. A heat resistant component, comprising: a substrate including a recess; a mixture of a first material and an agent that reduces the melting point of the first material disposed in the recess; a base coating comprising a MCrAlX alloy that covers a region of the filled recess; and a second metallic material covering the region of the filled recess to form a discrete local coating disposed between the mixture and the base coating, the second metallic material comprising an element that reacts with the agent during a removal heat treatment to form a compound comprising the element and the agent, thereby inhibiting diffusion of the agent of the first material into the base coating, wherein M is an element selected from the group consisting of: iron, cobalt, and nickel, and wherein X is yttrium or a rare earth element.