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Abstract

In both MA 6000 and PM Astrology deformation induced a/3 <211> stacking faults are the dominant mechanism in LCF at 760 degrees C with strain rate 10**-1**5s**-1. Initially stacking faults are confined to precipitates in MA 6000 whereas in PM Astrology some faults are located just outside the precipitates. Nevertheless ultimately, extended faults transform into deformation microtwins in both alloys. At 1050 degrees C the important features are coalescence of gamma' precipitates and the formation of dislocation networks on the interfaces between precipitates and matrix. No stacking faults are observed at this temperature.

Additional information

Authors: HUIS IN'T VELD A J, UNIVERSITY OF GRONINGEN (THE NETHERLANDS);JRC PETTEN ESTAB. (THE NETHERLANDS);BRONSVELD P M, UNIVERSITY OF GRONINGEN (THE NETHERLANDS);JRC PETTEN ESTAB. (THE NETHERLANDS);DE HOSSON J TH M, UNIVERSITY OF GRONINGEN (THE NETHERLANDS);JRC PETTEN ESTAB. (THE NETHERLANDS);BRESSERS J UNIVERSITY OF GRONINGEN (THE NETHERLANDS), UNIVERSITY OF GRONINGEN (THE NETHERLANDS);JRC PETTEN ESTAB. (THE NETHERLANDS);JRC PETTEN ESTAB. (THE NETHERLANDS), UNIVERSITY OF GRONINGEN (THE NETHERLANDS);JRC PETTEN ESTAB. (THE NETHERLANDS)
Bibliographic Reference: HIGH-TEMPERATURE MATERIALS - THEIR EXPLOITABLE POTENTIAL, PETTEN (THE NETHERLANDS), OCT. 15-17, 1985 WRITE TO CEC LUXEMBOURG, DG XIII/A2, POB 1907 MENTIONING PAPER E 32672 ORA
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