NDLI: Room and high temperature tensile behaviour of a P/M 2124/MoSi$_{2}$ composite at different heat treatment conditions

Content Provider	Springer Nature Link
Author	Torres, B. Lieblich, M.
Copyright Year	2006
Abstract	In the present work, a 2124/15 vol%MoSi$_{2}$ composite was obtained by powder metallurgy. Its microstructure and mechanical properties were investigated at room and at high temperature (up to 200°C) in conditions T351, T4 and after heat treatments at 495°C for up to 100 h. Up to 150°C, tensile properties of 2124/MoSi$_{2}$ in T351 resulted similar to those of a ceramic reinforced 2124/SiC composite. Yield stress of the 2124/MoSi$_{2}$ material, after heating at 495°C for up to 100 h, resulted higher than that of the monolith 2124 alloy heated for the same periods. No diffusion reaction phases were formed surrounding the MoSi$_{2}$ reinforcing particles during such long exposures to high temperature. Only at 100 h, large plate-like precipitates that contain Al, Cu, Mg and Si appeared. The high thermal stability of this 2124/MoSi$_{2}$ composite and its good mechanical properties at room and at elevated temperature makes MoSi$_{2}$ intermetallic a competitor of ceramic reinforcements.
Starting Page	3493
Ending Page	3500
Page Count	8
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	41
Issue Number	11
e-ISSN	15734803
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2006-04-12
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Polymer Sciences Materials Science Characterization and Evaluation Materials Mechanics Continuum Mechanics and Mechanics of Materials Crystallography
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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