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Development of a high specific stiffness mechanically milled FeAl intermetallic alloy

Abstract

Powder metallurgy techniques such as gas atomization and mechanical milling have been used to develop a FeAl alloy with enhanced ductility and strength at both low and high temperature. The improvement method combines ductility increase by grain boundary strengthening, grain size reduction and oxide dispersion strengthening. The material has been characterized and tested in the form of extruded bars. Microstructure, order and texture of as-extruded and heat treated samples have been studied by TEM, X-ray diffraction and Moessbauer spectroscopy. Physical and mechanical properties of the material are compared to some conventional engineering alloys in order to discuss the conceivable applications in aeronautical and automotive industries. (authors). 22 refs., 4 figs., 2 tabs.
Publication Date:
Dec 31, 1995
Product Type:
Conference
Report Number:
CEA-CONF-12360; CONF-9505296-
Reference Number:
SCA: 360101; 360103; PA: AIX-28:011930; EDB-97:026697; NTS-97:006715; SN: 97001729868
Resource Relation:
Conference: International conference on aerospace defense and demanding applications, Anaheim, CA (United States), 8-10 May 1995; Other Information: PBD: 1995
Subject:
36 MATERIALS SCIENCE; POWDER METALLURGY; DUCTILITY; INTERMETALLIC COMPOUNDS; ALUMINIUM; FLEXIBILITY; IRON ALLOYS; MECHANICAL PROPERTIES; MICROSTRUCTURE; MILLING; PHYSICAL PROPERTIES; SINTERED MATERIALS; USES
OSTI ID:
426926
Research Organizations:
CEA Centre d`Etudes de Grenoble, 38 (France). Dept. d`Etudes des Materiaux
Country of Origin:
France
Language:
English
Other Identifying Numbers:
Other: ON: DE97611916; TRN: FR9601477011930
Availability:
INIS; OSTI as DE97611916
Submitting Site:
FRN
Size:
8 p.
Announcement Date:
Feb 18, 1997

Citation Formats

Baccino, R, San Filippo, D, Martel, P, and Moret, F. Development of a high specific stiffness mechanically milled FeAl intermetallic alloy. France: N. p., 1995. Web.
Baccino, R, San Filippo, D, Martel, P, & Moret, F. Development of a high specific stiffness mechanically milled FeAl intermetallic alloy. France.
Baccino, R, San Filippo, D, Martel, P, and Moret, F. 1995. "Development of a high specific stiffness mechanically milled FeAl intermetallic alloy." France.
@misc{etde_426926,
title = {Development of a high specific stiffness mechanically milled FeAl intermetallic alloy}
author = {Baccino, R, San Filippo, D, Martel, P, and Moret, F}
abstractNote = {Powder metallurgy techniques such as gas atomization and mechanical milling have been used to develop a FeAl alloy with enhanced ductility and strength at both low and high temperature. The improvement method combines ductility increase by grain boundary strengthening, grain size reduction and oxide dispersion strengthening. The material has been characterized and tested in the form of extruded bars. Microstructure, order and texture of as-extruded and heat treated samples have been studied by TEM, X-ray diffraction and Moessbauer spectroscopy. Physical and mechanical properties of the material are compared to some conventional engineering alloys in order to discuss the conceivable applications in aeronautical and automotive industries. (authors). 22 refs., 4 figs., 2 tabs.}
place = {France}
year = {1995}
month = {Dec}
}