Microstructure control of particle reinforced metal matrix composites fabricated by low-pressure infiltration process

MIZUMOTO, Masayuki ; MURANO, Toshihisa ; et al.

In: Materials transactions - JIM, Jg. 43 (2002), Heft 10, S. 2629-2634

academicJournal - print, 7 ref

Process parameters to control the microstructure of particle reinforced MMC in the low pressure infiltration process (LPI process), have been investigated. The mixed powder of reinforcement particle and pure aluminum particle in various volume fraction was employed to control the volume fraction of the reinforcement particles in PRMMC. The Al-12 mass%Cu alloy melt was forced to infiltrate into the mixed powder layer by applying a certain pressure of argon gas on the melt surface. The pressure required to infiltrate remarkably increased from 0.05 to 0.5 MPa with a decrease in the particle size from 100 to 20 μm, indicating that the pressure at the advancing melt surface decreased due to the resistance based on a capillary force and a friction force between melt and particle. In the microstructure of PRMMC obtained, the reinforcement particles were homogeneously distributed and a linear relationship was obtained between the volume fraction of reinforcement particle in the mixed powder and the observed area fraction. It was found that a homogeneous particle distribution and accurate control of the volume fraction of reinforcement particles could be attained in the LPI process.

Titel:	Microstructure control of particle reinforced metal matrix composites fabricated by low-pressure infiltration process
Autor/in / Beteiligte Person:	MIZUMOTO, Masayuki ; MURANO, Toshihisa ; KAGAWA, Akio
Link:	View record from PASCAL Archive
Zeitschrift:	Materials transactions - JIM, Jg. 43 (2002), Heft 10, S. 2629-2634
Veröffentlichung:	Sendai: Japan Institute of Metals, 2002
Medientyp:	academicJournal
Umfang:	print, 7 ref
ISSN:	0916-1821 (print)
Schlagwort:	Chemical industry parachemical industry Industrie chimique et parachimique Metallurgy, welding Métallurgie, soudage Polymers, paint and wood industries Polymères, industries des peintures et bois Sciences exactes et technologie Exact sciences and technology Physique Physics Domaines interdisciplinaires: science des materiaux; rheologie Cross-disciplinary physics: materials science; rheology Science des matériaux Materials science Matériaux particuliers Specific materials Autres matériaux Other materials Sciences appliquees Applied sciences Metaux. Metallurgie Metals. Metallurgy Dispersion-, fiber-, and platelet-reinforced metal-based composites Alliage base aluminium Aluminium base alloys Alumine Alumina Dureté Vickers Vickers hardness Etude expérimentale Experimental study Infiltration Matériau composite Composite materials Microdureté Microhardness Microstructure Métal renforcé dispersion Dispersion strengthened metal Metal reforzado dispersión Dispersionsgehaertetes Metall Composite particule Al)50 Al2O3
Sonstiges:	Nachgewiesen in: PASCAL Archive Sprachen: English Original Material: INIST-CNRS Document Type: Article File Description: text Language: English Author Affiliations: Department of Materials Science and Engineering, Nagasaki University, Nagasaki 852-8521, Japan Rights: Copyright 2003 INIST-CNRS ; CC BY 4.0 ; Sauf mention contraire ci-dessus, le contenu de cette notice bibliographique peut être utilisé dans le cadre d’une licence CC BY 4.0 Inist-CNRS / Unless otherwise stated above, the content of this bibliographic record may be used under a CC BY 4.0 licence by Inist-CNRS / A menos que se haya señalado antes, el contenido de este registro bibliográfico puede ser utilizado al amparo de una licencia CC BY 4.0 Inist-CNRS Notes: Metals. Metallurgy ; Physics and materials science

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