| 摘要 |
There is disclosed a coated body having as the outer layer a layer of gamma -Al2O3 deposited by chemical vapor deposition, preferably at a temperature of from 700-900 DEG C. The gamma -Al2O3 layer is formed through the use of a gaseous mixture including H2S in amounts significantly higher than those presently used and at a temperature of from 700-900 DEG C. The method is also disclosed. |
