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Title:Mikrostruktura hitro strjenih trakov zlitine Cu-Zr
Authors:ID Anžel, Ivan (Author)
ID Križman, Alojz (Author)
ID Bončina, Tonica (Author)
ID Zupanič, Franc (Author)
ID Lojen, Gorazd (Author)
ID Kosec, L. (Author)
ID Šuštaršič, Borivoj (Author)
Files:URL http://www.dlib.si/details/URN:NBN:SI:doc-GS0FZVTD
 
Language:Slovenian
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Hitro strjene trakove zlitin Cu -0,5% Zr in Cu - 1% Zr smo izdelali s postopkom litja taline na hitro se vrteči boben pri različnih procesnih parametrih. Mikrostrukturo trakov smo raziskali v odvisnosti od debeline oziroma povprečne ohlajevalne hitrosti in od sestave zlitin. V prečnem prerezuje mikrostruktura tankih trakov (50-55mum) sestavljena iz cone transkristalnih zrn, ki sega do zgornje proste površine in v kateri ločimo tri področja z različno substrukturo: področje brez mikrosegregacij, področje trakaste substrukture in področje s celično/dendritno substrukturo. Trakovi z debelino 85-90mum vsebujejo v prečnem prerezu poleg transkristalne cone še cono globularnih zrn z dendritno morfologijo. Velikost posamezne cone ter substrukturnih področij znotraj transkristalne cone je pri isti debelini trakov odvisna od kemijske sestave zlitin.
Keywords:hitro strjevanje, mikrostruktura, trakovi, Cu - Zr zlitina
Publisher:Inštitut za kovinske materiale in tehnologije
Year of publishing:1995
Number of pages:str. 57-61
Numbering:Letn. 29, št. 1/2
PID:20.500.12556/DKUM-53388 New window
UDC:669.3'296:620.187
ISSN on article:1318-0010
COBISS.SI-ID:7723524 New window
NUK URN:URN:SI:UM:DK:LDWO8IJX
Publication date in DKUM:10.07.2015
Views:1600
Downloads:59
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
ANŽEL, Ivan, KRIŽMAN, Alojz, BONČINA, Tonica, ZUPANIČ, Franc, LOJEN, Gorazd, KOSEC, L. and ŠUŠTARŠIČ, Borivoj, 1995, Mikrostruktura hitro strjenih trakov zlitine Cu-Zr. Kovine zlitine tehnologije [online]. 1995. Vol. 29, no. 1/2, p. 57–61. [Accessed 17 March 2025]. Retrieved from: http://www.dlib.si/details/URN:NBN:SI:doc-GS0FZVTD
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Record is a part of a journal

Title:Kovine zlitine tehnologije
Shortened title:Kovine zlit. tehnol.
Publisher:Inštitut za kovinske materiale in tehnologije
ISSN:1318-0010
COBISS.SI-ID:31742209 New window

Secondary language

Language:English
Title:Microstructure of rapidly solidified ribbons of Cu - Zr alloy
Abstract:Rapidly-quenched Cu - 0.5% Zr and Cu - 1% Zr alloys have been prepared by meltspinnig process with different wheel velocities and different nozzle diameter. The microstructure was ezamined as a function of ribbon thickness (average cooling rate) and alloy content. In the transverse cross-sections the microstructure of thin ribbons consists of columar grains, extending up to the free surface, with three different substructural regions: microsegregation free, banded and Cellular/dendritic. The structure of thicker ribbons consists of columar grains growing from the wheel surface and equiaxed dendritic crystals extending to the free surface. Relative thickness of zones and substructural regions in columnar zone depend on the alloy composition at the same ribbon thickness.
Keywords:rapid solidification, microstructure, ribbon, Cu -Zr alloy


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