| 摘要 |
The invention relates to an alloy suitable for making single-crystal castings and to a casting made thereof. The alloy comprises, by weight percent, Chromium 10-16%, Cobalt 4-16%, Molybdenum 2-4%, Tungsten 0-2%, Tatalum 2-8%, the sum of Molybdenum % <IMAGE> lying between 4 and 6%, Aluminium 4-6%, Titanium 1-4% the sum of Aluminium % <IMAGE> lying between 5 and 7%, Carbon 0.015-0.05%, Boron 0-0.01%, Zirconium 0-0.01%, the balance being nickel plus incidental impurities. |
