Modern composite materials manufactured by pressure infiltration method

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

Abstrakty

EN

Purpose: The purpose of this paper is to present the technique of manufacturing the composite materials based on porous ceramic preforms infiltrated by liquid aluminium alloy and examination of the structure and corrosion resistance of those materials. Design/methodology/approach: The material for investigations was manufactured by pressure infiltration method of ceramic porous preforms. The eutectic aluminium alloy EN AC-AlSi12 was use as a matrix while as reinforcement were used ceramic preforms manufactured by sintering of Al₂O₃ Alcoa CL 2500 powder with addition of pore forming agents as carbon fibres Sigrafil C10 M250 UNS manufactured by SGL Carbon Group Company. To determine the corrosion resistance, corrosion test by potentiodynamic method were made consisting in registering the anode polarization curves using the measurements system consisting of the potentiostat PGP-201 working with the Radiometer Copenhagen VoltaMaster 4 software. Findings: The received results show the possibility of obtaining the new composite materials with required structure and corrosion resistance depends of the volume fraction of the reinforcing phase. Practical implications: The composite materials manufactured by the developed method can find application among the others in automotive, aircraft or marine industry as the alternative material for elements fabricated from unreinforced aluminium alloys. Originality/value: The obtained results show the possibility of manufacturing the composite materials by the method of porous sintered framework pressure infiltration based on the ceramic particles, characterized with the better corrosion resistance than aluminium alloy used as the matrix.

Słowa kluczowe

EN

composite materials; infiltration; structure; corrison resistance

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2008
• Tom: Vol. 30, nr 2
• Strony: 121--128
• Opis fizyczny: Bibliogr. 18 poz., wykr.

Twórcy

autor

Dobrzański L.

autor

Kremzer M.

autor

Drak 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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