Specialized metallurgical processes – compositions for use therei – Compositions – Consolidated metal powder compositions
Patent
1992-08-14
1994-07-26
Walsh, Donald P.
Specialized metallurgical processes, compositions for use therei
Compositions
Consolidated metal powder compositions
75351, 148403, 420551, 419 1, 419 66, 419 67, B22F 300, C22C 2100
Patent
active
053324153
ABSTRACT:
The present invention provides a compacted and consolidated aluminum-based alloy material which has been obtained by compacting and consolidating a rapidly solidified material having a composition represented by the general formula: Al.sub.a Ni.sub.b X.sub.c wherein X is one or two elements selected from Zr and Ti and a, b and c are, in atomic percentages, 87.5.ltoreq.a.ltoreq.92.5, 5 .ltoreq.b.ltoreq.10, and 0.5.ltoreq.c.ltoreq.5; and a production process comprising melting a material of the above composition; quenching and solidifying the resultant molten material into powder or flakes; compacting, compressing, forming and consolidating the powder or flakes by conventional plastic working. The consolidated material of the present invention has. elongation (toughness) sufficient to withstand secondary working, even when secondary working is applied. Moreover, the material allows the secondary working to be performed easily while retaining the excellent properties of its raw material.
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Patent Abstracts of Japan, vol. 14, No. 043 (C-681) Jan. 26, 1990. JP-A-12 75 732.
Mai Ngoclan T.
Walsh Donald P.
Yoshida Kogyo K.K.
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