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Processing intermetallic composites by self-propagating, high-temperature synthesis.

Authors
Alman-DE; Hawk-JA; Petty-AV Jr.; Rawers-JC
Source
JOM 1994 Mar; 46(3):31-35
NIOSHTIC No.
10012443
Abstract
Initiated at the interface of dissimilar elemental metal foils, a self-propagating, high-temperature synthesis (SHS) reaction can be used to produce a fully dense, well-bonded metal-intermetallic layered composite. In the research described here, aluminum foils were sandwiched between metal foils (Fe, Ni, Ti) and heated in a hot press to approximately the melting point of aluminum. An SHS reaction occurred at the metal-aluminum interface, consuming all of the aluminum foil and part of the metal foil, resulting in a strongly bonded metal-aluminide interface. Tensile tests conducted at room temperature revealed that composites can be designed to behave in a high-strength and high-toughness manner by altering the thicknesses of the elemental foils.
Keywords
Metals; Metallurgy; Metallurgical-processes
CODEN
JOMMER
Publication Date
19940301
Document Type
Journal Article
Fiscal Year
1994
NTIS Accession No.
NTIS Price
Identifying No.
OP 191-94
Issue of Publication
3
ISSN
1047-4838
NIOSH Division
ALRC
Source Name
JOM: the Journal of the Minerals, Metals & Materials Society
State
OR
TOP