Naslov
INFLUENTIAL FACTORS ON THE TOUGHNESS OF NANOSTRUCTURED HARD METALS

Autori
Aleksandrov Fabijanić, Tamara ; Jeren, Ivan ; Puklavec, Vesna

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of 14th Joint Vacuum Conference / Nikola Radić, Slobodan Milošević - Zagreb : Hrvatsko Vakuumsko Društvo (HVD), 2012

Skup
14th Joint Vacuum Conference - 12th European Vacuum Conference - 11th Annual Meeting of the German Vacuum Society - 19th Croatian - Slovenian Vacuum Meeting

Mjesto i datum
Dubrovnik, Hrvatska, 04.06.2012. - 08.06.2012

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
fracture toughness; Palmquist test; nanostructured hard metals

Sažetak
The procedure of toughness determination on nanostructured hard metals is described in the paper. Toughness is determined with the use of Palmquist toughness test by measuring the total length of cracks emanating from the four corners of a Vickers hardness indentation using the load of 294 N according to ISO 28079:2009. The specimens of nanostructured hard metals were developed in the company Alfa tim d.o.o. varying the parameters related to technological process of obtaining such as sintering temperature and input variables such as carbide powder grain size, percentage of Co and grain growth inhibitors. The measurements on developed specimens were carried out in the Laboratory for Testing Mechanical Properties of Materials at the Faculty of Mechanical Engineering and Naval Architecture. The results of the carried measurements and influence of certain factors were analysed. Certain conclusions about influential factors on the achieved toughness of nanostructured hard metals have been brought.

Izvorni jezik
Engleski

Znanstvena područja
Metalurgija, Strojarstvo

POVEZANOST RADA