Tribological properties of hybrid composites containing two carbide phases

• Autorzy: Dolata-Grosz A. , Wieczorek J.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The article presents the research results on tribological properties (friction coefficient, wear) of the frictional couple cast iron-composite. The subject of that research was aluminium hybrid composites containing two carbide phases: chromium (Cr3C2) and titanium carbides (TiC). Design/methodology/approach: The friction process was conducted on a tribological pin-on-disc tester (T-01M) under technically dry friction conditions. Findings: The results of friction and wear coefficients' investigation allowed the determination of how the volume fraction of NiCr/Cr3C2+TiC composite powder can influence on the course and degree of cast iron and composite wear. Practical implications: An increase in the reinforcing phase fraction allowed the elimination of the phenomena connected with adhesion wear. The 10% fraction of a carbide reinforcing phase ensures a uniform wear mechanism and has a beneficial influence on the operation of the tribological couple: cast iron – hybrid composite, during which no negative effects of increased wear of the cooperating material are observed. Originality/value: The application of heterophase reinforcement is a solution which to a large extent enables the broadening of the possibilities to design and diversify the tribological properties of friction couples.

Słowa kluczowe

EN

composites; wear resistance; image analysis; casting; powder metallurgy

PL

odporność na zużycie; analiza obrazu; odlewnictwo; metalurgia proszków

• Wydawca: International OCSCO World Press
• Czasopismo: Archives of Materials Science and Engineering
• Rocznik: 2007
• Tom: Vol. 28, nr 3
• Strony: 149--155
• Opis fizyczny: Bibliogr. 23 poz., il., wykr.

Twórcy

autor

Dolata-Grosz A.

autor

Wieczorek J.

• Faculty of Materials Science and Metallurgy, Silesian University of Technology, ul. Krasińskiego 8, 40-019 Katowice, Poland,

Bibliografia

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