The application of statistical models in wear resistance simulations of Al-Al2O3 composites

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

Abstrakty

EN

Purpose: The purpose of this paper is application of statistical models in tribological properties simulation of composite materials based on porous ceramic preforms infiltrated by liquid aluminium alloy. 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 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. 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 condition. The simulation of load and number of cycles influence on tribological properties was made by the use of statistical models. Findings: The received results show the possibility of obtaining the new composite materials with required tribological properties moreover those properties can by simulated by the use of statistical models. 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: Worked out statistical models can be used as helpful tool to predicate the wear of aluminium matrix composite materials in condition of dry friction.

Słowa kluczowe

EN

composites; infiltration; simulation; statistical models

PL

kompozyty; infiltracja; symulacja; model statystyczny

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2010
• Tom: Vol. 43, nr 1
• Strony: 5--12
• Opis fizyczny: Bibliogr. 17 poz.

Twórcy

autor

Dobrzański L.

autor

Kremzer M.

autor

Sitek W.

• 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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