Počet záznamů: 1
The influence of ECAP on the small punch creep of Al-4 vol.% Al4C3 composite
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SYSNO ASEP 0348495 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název The influence of ECAP on the small punch creep of Al-4 vol.% Al4C3 composite Tvůrce(i) Dobeš, Ferdinand (UFM-A) RID, ORCID
Milička, Karel (UFM-A)
Besterci, M. (SK)
Kvačkaj, T. (SK)Celkový počet autorů 4 Zdroj.dok. Journal of Materials Science. - : Springer - ISSN 0022-2461
Roč. 45, č. 19 (2010), s. 5171-5176Poč.str. 6 s. Jazyk dok. eng - angličtina Země vyd. US - Spojené státy americké Klíč. slova equal channel angular pressing ; extrusion ; creep ; metal-matrix composite Vědní obor RIV JI - Kompozitní materiály CEP 1QS200410502 GA AV ČR - Akademie věd CEZ AV0Z20410507 - UFM-A (2005-2011) UT WOS 000280597600005 DOI 10.1007/s10853-010-4554-9 Anotace The creep behaviour of a composite based on an aluminium matrix reinforced by 4 vol.% Al4C3 was studied at temperatures of 623 and 723 K by small punch testing with a constant force. The composite was tested in two different states: (i) as received by mechanical alloying with hot extrusion (HE) as the final operation and (ii) with equal channel angular pressing (ECAP) superimposed on the hot-extruded material. The ECAP does not improve the observed creep resistance. The reduction of force leading to the same deflection rate is not very significant. This points out that the ECAP process of the present composite, which produces substantial strengthening at lower temperatures, is not accompanied by pronounced weakening of creep resistance at elevated temperatures. The threshold force in the ECAP material is about 5 N weaker than in the HE material. Pracoviště Ústav fyziky materiálu Kontakt Yvonna Šrámková, sramkova@ipm.cz, Tel.: 532 290 485 Rok sběru 2011
Počet záznamů: 1