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Metalurgija, Vol. 55 No. 3, 2016.

Izvorni znanstveni članak

Analyses of the reasons for the decreased service time of CrN-coated die for aluminy hot extrusion – a case study

P. Fajfar ; University of Ljubljana, Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia
P. Panjan ; Jožef Stefan Institute, Ljubljana, Slovenia
M. Terčelj ; University of Ljubljana, Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia
G. Kugler ; University of Ljubljana, Faculty of Natural Sciences and Engineering, Ljubljana, Slovenia

Puni tekst: engleski, pdf (451 KB) str. 369-374 preuzimanja: 319* citiraj
APA 6th Edition
Fajfar, P., Panjan, P., Terčelj, M. i Kugler, G. (2016). Analyses of the reasons for the decreased service time of CrN-coated die for aluminy hot extrusion – a case study. Metalurgija, 55 (3), 369-374. Preuzeto s https://hrcak.srce.hr/153622
MLA 8th Edition
Fajfar, P., et al. "Analyses of the reasons for the decreased service time of CrN-coated die for aluminy hot extrusion – a case study." Metalurgija, vol. 55, br. 3, 2016, str. 369-374. https://hrcak.srce.hr/153622. Citirano 16.02.2019.
Chicago 17th Edition
Fajfar, P., P. Panjan, M. Terčelj i G. Kugler. "Analyses of the reasons for the decreased service time of CrN-coated die for aluminy hot extrusion – a case study." Metalurgija 55, br. 3 (2016): 369-374. https://hrcak.srce.hr/153622
Harvard
Fajfar, P., et al. (2016). 'Analyses of the reasons for the decreased service time of CrN-coated die for aluminy hot extrusion – a case study', Metalurgija, 55(3), str. 369-374. Preuzeto s: https://hrcak.srce.hr/153622 (Datum pristupa: 16.02.2019.)
Vancouver
Fajfar P, Panjan P, Terčelj M, Kugler G. Analyses of the reasons for the decreased service time of CrN-coated die for aluminy hot extrusion – a case study. Metalurgija [Internet]. 2016 [pristupljeno 16.02.2019.];55(3):369-374. Dostupno na: https://hrcak.srce.hr/153622
IEEE
P. Fajfar, P. Panjan, M. Terčelj i G. Kugler, "Analyses of the reasons for the decreased service time of CrN-coated die for aluminy hot extrusion – a case study", Metalurgija, vol.55, br. 3, str. 369-374, 2016. [Online]. Dostupno na: https://hrcak.srce.hr/153622. [Citirano: 16.02.2019.]

Sažetak
Presented study shows that considerable reserves still exist for increasing the service times (lifetimes) of CrN – coated dies for Al hot extrusion. The main reasons for the decreased service times are revealed and explained regarding the selected CrN - coated die for hot extrusion, i.e. why the service time of the coated-die is not in accordance with the wear resistance of the CrN - coating. The shaping of the bearing surface and presence of the scratches, size and amount of nonmetalic inclusions in the die steel, nodular defects in the CrN - coating, as well as thicknesses uniformity of CrN - coatings along the bearing surface, are relevant influential parameters.

Ključne riječi
CrN - coated; demage; Al hot extrusion; physcial vapor deposition coating; die wear; service time

Hrčak ID: 153622

URI
https://hrcak.srce.hr/153622

Posjeta: 414 *