A compilation is presented of original test data on emittance, reflectance, and adsorptance of Cr, Nb, Mo, Ta, and W. The data were taken from the literature published during the period 1940-1959 inclusive, and as much of the 1960 ...

At a blade temperature of 1800 degrees F, this coating would probably greatly prolong the life of a K-138 turbine blade under operating conditions sufficiently severe to accelerate failure of the uncoated blade by oxidation.