method of heat treatment of face - u043au0440u0438u0441u0442u0430u043bu043bu0438u0437u043eu0432u0430u043du043du044bu0445 u044du0432u0442u0435u043au0442u0438u0447u0435u0441u043au0438u0445 u03b3 + u03b2 alloys based on ni - cr - al system

摘要

1.method of heat treatment of face - u043au0440u0438u0441u0442u0430u043bu043bu0438u0437u043eu0432u0430u043du043du044bu0445 u044du0432u0442u0435u043au0442u0438u0447u0435u0441u043au0438u0445 u03b3 + u03b2 - alloys system based on ni - cr - al, including homogenization, heating to the temperature at 10 - 70u00b0C below u0440u0430u0432u043du043eu0432u0435u0441u043du043eu0439 temperature of u03b2u2192u03b3 'endurance and cooled in air, and the fact that, in order to improve the high temperature after cooling screw with heating to temperatures above the temperature of u03b3 'u2192u03b2,after 10 to 30 minutes, cooled in air, heated to 890 - 910u00b0C, last for 4 to 6 h, cooled in air.;2. way 1, and the heating temperature to the temperature above that of u03b3 'u2192u03b2 in alloys of the ni - cr - al spend up to 1050 - 1100u00b0C.;3. way 1, and the heating temperature to the temperature above that of u03b3 'u2192u03b2 in alloys of the ni - cr - al - w spend up to 1050 - 1120u00b0C.;4. way 1, and the heating temperature to the temperature above that of u03b3 'u2192u03b2 in alloys of the ni - cr - al ta spend up to 1100 1150u00b0C.