EFFECT OF DUCTILE-BRITYLE TRANSITION TEMPERATURE OF Al-Si COATING ON FATIGUE PROPERTIES OF Ni-BASE SUPERALLOYS

Abstract

Abstract: The effect of Al content on the ductile-brittle transition temperature of Al-Si coating and the effect of fracture behaviour.of the Al-Si coating on the fatigue properties of Ni-base superallovs have been investigated to propose the theoretical basis of search for an optimum of mechanical properties of the high temperature coating on Ni-base alloys.

Key words: Al-Si coating, Ni-base superalloy, ductile-brittle transition temperature, fatigue

ZHANG Detang Beijing Institute of Aeronautical Materials,Beijing,China Beijing Institute of Aeronautical Materials,Beijing 100095,China. EFFECT OF DUCTILE-BRITYLE TRANSITION TEMPERATURE OF Al-Si COATING ON FATIGUE PROPERTIES OF Ni-BASE SUPERALLOYS[J]. Acta Metallurgica Sinica (English Letters), 1990, 3(6): 435-438.

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EFFECT OF DUCTILE-BRITYLE TRANSITION TEMPERATURE OF Al-Si COATING ON FATIGUE PROPERTIES OF Ni-BASE SUPERALLOYS

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