Effect of Small Iron, Chromium and Boron Additions as Alloying Elements on Microstructure and Mechanical Properties of Ni3Al

Abstract:

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This paper investigates the effect of Fe, Cr and B additions, in small proportions, as alloying elements in Ni3Al with the purpose to reduce its intrinsic fragility and extrinsic embrittlement and to enhance, in the same time, its mechanical properties. It represents a development of some previous research works of the authors, proving that Ni3Al-Fe-Cr-B alloys obtained by reactive synthesis (SHS) starting from Mechanically Alloyed powder mixtures have superior both room temperature tensile strength and ductility, and compression ones at temperatures up to 800 °C, than pure Ni3Al. These create premises for their using as superalloys substitutes.

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Periodical:

Edited by:

Ionel Chicinaş and Traian Canta

Pages:

123-126

DOI:

10.4028/www.scientific.net/AMR.23.123

Citation:

R. L. Orban and M. Lucaci, "Effect of Small Iron, Chromium and Boron Additions as Alloying Elements on Microstructure and Mechanical Properties of Ni3Al", Advanced Materials Research, Vol. 23, pp. 123-126, 2007

Online since:

October 2007

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$35.00

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