Achieving High Strength and High Ductility in Precipitation-Hardened Alloys

Ultrafine‐grained materials may be produced by applying severe plastic deformation, but these materials generally exhibit high strength and limited ductility. This report describes a technique for producing high strength and high ductility (see Figure) in precipitation‐hardened alloys at ambient tem...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2005-07, Vol.17 (13), p.1599-1602
Main Authors: Horita, Z., Ohashi, K., Fujita, T., Kaneko, K., Langdon, T. G.
Format: Article
Language:English
Subjects:
Alloys
Aluminum
Structure-property relationships
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Summary:Ultrafine‐grained materials may be produced by applying severe plastic deformation, but these materials generally exhibit high strength and limited ductility. This report describes a technique for producing high strength and high ductility (see Figure) in precipitation‐hardened alloys at ambient temperatures based on introducing intermediate metastable phases into ultrafine‐grained microstructures.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200500069