Tribological properties of AC44200 based composites strenghead with Al2O3 particles

• Autorzy: Kurzawa A. , Grodzka E. , Janus A. , Kaczmar J. W.
• Języki publikacji: EN

Abstrakty

EN

The paper presents a research on abrasion resistance of aluminium-based composites consisting of EN AC-44200 matrix reinforced with Al2O3 particles. The examinations revealed that wear intensity of the composites decreased with increasing volume fraction of the particles. Much more intensive abrasive wear was observed on the first kilometre in comparison to the wear on the subsequent distances, i.e. from 1 to 3.5 km and from 3.5 to 8.5 km of the wear distance. Microscopic examinations permitted determining the way and type of wear occurring in the examined materials. In the case of the AC-44200 matrix, typical adhesive wear is observed. In composite materials however, abrasive wear prevails over adhesive wear. Increased volume fraction of Al2O3 particles in composite materials results in increasing friction factor in average by 0.250 per each 10 vol.%. Wear of the cast-iron counterspecimen is also strongly dependent on volume fraction of the reinforcing particles. The counterspecimen demonstrates the largest wear when working in contact with a composite material containing 40 vol.% of Al2O3 particles.

Słowa kluczowe

EN

composite material; tribological properties; aluminium oxide particles

PL

tworzywo kompozytowe; właściwości tribologiczne; tlenek glinu

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2011
• Tom: Vol. 11, iss. 2
• Strony: 69--74
• Opis fizyczny: Bibliogr. 15 poz., rys., tab., wykr.

Twórcy

autor

Kurzawa A.

autor

Grodzka E.

autor

Janus A.

autor

Kaczmar J. W.

• Institute of Machine Engineering and Automation, Wroclaw University of Technology ul. Łukasiewicza 5, PL-50-371 Wrocław, Poland,

Bibliografia

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