| Abstrakt: |
1.The temperature range for precipitation and solution of the ?'-phase during heating and cooling nickel-base alloys was determined by the use of derivative dilatometry and DTA.2.The temperatures for the beginning and completion of solution of the ?'-phase in alloys, KhN55MBYu, KhN56MBYuD, KhN70MBYu, and KhN43MBTYu are practically independent of the method of heat treatment, but are determined by their chemical compositions.3.Rapid decomposition of the solid solution in alloys KhN56MBYuD, KhN70MBYu, and KhN43MBTYu cooled at a rate of approximately 300°C/h from 100–1200°C occurs in the range 850–600°C. |
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