The influence of remelting parameters of the electric arc and conventional tempering on the tribological resistance of high speed steel HS 6-5-2

• Autorzy: Dziedzic A.
• Języki publikacji: EN

Abstrakty

EN

The present thesis depicts the results of the research of tribological high speed steel HS 6-5-2 remelted with the electric arc. Steel was remelted with different parameters. The amperage of electric arc was changed, the scanning speed was changed and the single, overlapping remeltings were used. There was also the influence of conventional tempering defined, which was conducted after remelting on the tribological resistance of hardened steel. For the previously mentioned processing variants, the intensity of tribological wear was defined and the linear wear were presented, and the friction coefficients. The type of tribological wear was also given, present during the friction, technically dry, of the hardened steel. The lower intensity of tribological wear was received for the single remelting by electric arc of 50 and 70A. Using the overlapping remeltings for the strengening of the surface layer of the high speed steel HS 6-5-2 causes the increase of the intensity of tribological wear in comparison to the steel with the single remelting. The conventional tempering leads to the decrease of the intensity of tribological wear.

Słowa kluczowe

EN

heat treatment; mechanical features; metallography; high-speed steel; remelting; intensity of tribological wear

PL

obróbka cieplna; metalografia; stal szybkotnąca; przetapianie; zużycie tribologiczne

• Wydawca: Komisja Odlewnictwa Polskiej Akademii Nauk Oddział w Katowicach
• Czasopismo: Archives of Foundry Engineering
• Rocznik: 2011
• Tom: Vol. 11, iss. 3
• Strony: 31--34
• Opis fizyczny: Bibliogr. 12 poz., rys., tab., wykr.

Twórcy

autor

Dziedzic A.

• Institute of Technics, Rzeszow University, Rejtana 16 B, 35-310 Rzeszow, Poland,

Bibliografia

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• [6] A. Dziedzic, The influence of conventional tempering on the tribological resistance of the high speed steel HS6-5-2 remelted with electric arc, Archives of foundry engineering, Vol. 10, Issue 2, Katowice-Gliwice 2010, s.43-46.
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• [12] D. Lewicki, Determination of the type tribological wear on the basis of SEM tests tools steel remelted by electric arc, MA thesis supervised by the A. Dziedzic, Rzeszow 2010 (in Polish).