55J R Rairden Iii Us Patent 3874901 1975

56. J.L. Walker and J.R. Ross, U.S. Patent 3,873,347, 1975 Future Development

Future development activity for pack cementation and related coatings, primarily for use in aircraft engines, will focus on more efficient automated and environmentally friendly manufacturing technology. In addition, means to incorporate additions of beneficial elements, such as hafnium and other oxygen-active elements, by codeposition with aluminum, should become practically available in the near future (Ref 16).

0 0

Post a comment