Application of pressure infiltration to the manufacturing of aluminium matrix composite materials with different reinforcement shape

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

Abstrakty

EN

Purpose: The purpose of this work is to investigate the influence of reinforcing phase's shape on structure and properties of composite materials with aluminium alloy matrix. Design/methodology /approach: The material for studies was produced by a method of pressure infiltration of the porous ceramic framework. In order to investigate the influence of reinforcing phase's shape the comparison was made between the properties of the composite material based on preforms obtained by Al203 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. The matrix consisted of cast aluminium alloy EN AC — AlSi12. The observations of the structure were made on the light microscope and in the scanning electron microscope. The strength properties were established on the basis of static tensile tests. Findings: The composite materials, obtained on the basis of ceramic preforms consisted of Al203 particles, are showing better strength properties in comparison to materials obtained by the fibrous preform infiltration. Practical implications: The composite materials made by the developed method can find application as the elements of devices where beside the benefits from utilizable properties the small weight is required (mainly in aircraft and motorization industries). 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 properties than similar composites reinforced with fibres.

Słowa kluczowe

EN

composites; ceramic preform; infiltration

PL

kompozyty; preforma ceramiczna; infiltracja

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2007
• Tom: Vol. 24, nr 2
• Strony: 183--186
• Opis fizyczny: Bibliogr. 16 poz., fot., tab.

Twórcy

autor

Dobrzański L. A.

autor

Kremzer M.

autor

Nagel A.

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

Bibliografia

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