The influence of reinforcement shape on wear behaviour of aluminium matrix composite materials

• Autorzy: Dobrzański L. A. , Kremzer M. , Adamiak M.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The purpose of this paper is to present the research results of modern metal matrix composite materials. The matrix material was EN AC - AlSi12 alloy while the reinforcement ceramic performs. In order to investigate the influence of reinforcing phase’s shape on tribological properties the comparison was made between the composite material based on preforms obtained by Al2O3 Alcoa CL 2500 powder sintered with addition of pore forming agent in form of carbon fibres Sigrafil C 10 M250 UNS from Carbon Group company and composite materials based on much more expensive commercial fibrous preforms. Design/methodology/approach: The composite was produced by the use of porous material pressure infiltration method. Obtained composite materials were examined with light and scanning electron microscopy. Hardness test was carried out with Rockwell method in A scale. Additionally, the wear resistance was measured by the use of device designed in the Institute of Engineering Materials and Biomaterials. The device realize dry friction wear mechanism of reciprocating movement conditions. Findings: The obtained results show the possibility of manufacturing the new composite materials by the method of porous sintered framework pressure infiltration based on the ceramic particles, with desired microstructure and properties, being a cheaper alternative for materials with base of ceramic fibers. Practical implications: Tested composite materials can be apply among the others in automotive and aircraft industries. Originality/value: Worked out technology of composite materials manufacturing can be used in the production of near net shape and locally reinforced elements.

Słowa kluczowe

EN

composite; ceramic preforms; infiltration; tribological properties

PL

kompozyt; półfabrykaty ceramiczne; infiltracja; właściwości tribologiczne

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2010
• Tom: Vol. 42, nr 1-2
• Strony: 26--32
• Opis fizyczny: Bibliogr. 17 poz., rys., tabl.

Twórcy

autor

Dobrzański L. A.

autor

Kremzer M.

autor

Adamiak M.

• Division of Materials Processing Technology, Management and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, ul. Konarskiego 18a, 44-100 Gliwice, Poland,

Bibliografia

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