Patent ID: 7803223
Filing Date: 2010-09-28
Classification: B22F,C22C,Y10T

Abstract:
1. A metallic thermal barrier coating comprising an iron base alloy metal wherein iron is present at 52.3-55.9 atomic %, chromium at 19.0-22.0 atomic %, molybdenum at 0.6-2.5 atomic %, tungsten at 0.4-1.7 atomic %, manganese at 0.9-2.0 atomic %, carbon at 3.5-4.0 atomic %, boron at 15.6-16.0 atomic %, and at least 1.2 atomic % silicon, wherein said metallic thermal barrier coating has a thermal conductivity equal to or less than about 10 W/m-K at 400 degrees Celsius.