
Alexander Pechenik (ed.)
et al.
Published online:
31 October 2023
Published in print:
12 August 1999
Online ISBN:
9780197704011
Print ISBN:
9780195120509
Contents
Chapter
Effect of Small Aluminum Additions on Mechanical, Elastic and Structural Properties of Monocrystalline C11b Mosi2
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T E Mitchell
T E Mitchell
Materials Science and Technology Division, Los Alamos National Laboratory. MS K765. Los Alamos, NM 87545
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Pages
121–130
-
Published:August 1999
Cite
Peralta, P, and others, 'Effect of Small Aluminum Additions on Mechanical, Elastic and Structural Properties of Monocrystalline C11b Mosi2', in Alexander Pechenik, Rajiv K Kalia, and Priya Vashishta (eds), Computer-Aided Design of High-Temperature Materials (New York, NY , 1999; online edn, Oxford Academic, 31 Oct. 2023), https://doi.org/10.1093/oso/9780195120509.003.0009, accessed 11 May 2025.
Abstract
Molybdenum disilicide (MoSi2) is a promising material for high temperature structural applications due to its good oxidation resistance, low density compared to nickel-based superalloys and high specific stiffness [1]. These advantages are hindered by its poor low temperature fracture toughness, which in polycrystals deteriorates with increasing temperature due to the presence of glassy silica in the grain boundaries that produces intergranular fracture [1].
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