Al based alloys containing amorphous and nanostructured phases

Eckert, J., Calin, M., Yu, P., Zhang, L. C., Scudino, S. and Duhamel, C. (2008) Al based alloys containing amorphous and nanostructured phases. Reviews on Advanced Materials Science, 18 2: 169-172.


Author Eckert, J.
Calin, M.
Yu, P.
Zhang, L. C.
Scudino, S.
Duhamel, C.
Title Al based alloys containing amorphous and nanostructured phases
Journal name Reviews on Advanced Materials Science   Check publisher's open access policy
Publication date 2008
Sub-type Article
Volume number 18
Issue number 2
ISSN 1606-5131
Start page 169
End page 172
Total pages 4
Language eng
Subject 091207 Metals and Alloy Materials
Abstract Nanostructured or partially amorphous Al-based alloys are attractive candidates for advanced high-strength lightweight materials. The strength of such materials is often 2 - 3 times higher than the strength of commercial crystalline alloys. Further property improvements are achievable by designing multi-phase composite materials with optimized length scale and intrinsic properties of the constituent phases. Such alloys can be prepared by quenching from the melt or by powder metallurgy using mechanical attrition techniques. This paper focuses on mechanically attrited Al-based powders containing amorphous or nano-crystalline phases, Al-based MMCs containing metallic glass reinforcement and on their consolidation into bulk specimens. Selected examples of mechanical deformation behavior are presented, revealing that the properties can be tuned within a wide range of strength and ductility as a function of size and volume fraction of the different phases.
Q-Index Code CX

 
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