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Title:
Microstructure of Al-Mn-Be melt-spun ribbons
Authors:
ID
Zupanič, Franc
(
Author
)
ID
Bončina, Tonica
(
Author
)
ID
Šuštaršič, Borivoj
(
Author
)
ID
Anžel, Ivan
(
Author
)
ID
Markoli, Boštjan
(
Author
)
Files:
http://dx.doi.org/10.1016/j.matchar.2007.10.007
Language:
English
Work type:
Unknown
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Microstructures of two alloys with the nominal compositions of Al92Mn3Be5 and Al89Mn6Be5 were characterized in the initial as-cast condition (after vacuum induction melting and casting) and after melt spinning. In the initial conditions, both alloys consisted of an aluminum-rich solid solution and two metastable intermetallic phases: Be4AlMn and Al10Mn3(Be). Both alloys melted over a rather large temperature range (between 230 °C and 310 °C). This was the main reason for the presence of unmelted particles in the melt-spun ribbons. Nonetheless, with the use of optimized melt-spinning parameters a microstructure composed of the Al-rich solid solution and finely dispersed quasicrystalline particles in ribbons with thicknesses ranging from 30-200 m was achieved. The dispersion of quasicrystalline particles was finest on the wheel side of the thinnest ribbons, attaining microhardness values between 250HV and 300 HV.
Year of publishing:
2008
PID:
20.500.12556/DKUM-27398
UDC:
620.18:669.715
ISSN on article:
1044-5803
COBISS.SI-ID:
11868950
NUK URN:
URN:SI:UM:DK:RQUPOOKO
Publication date in DKUM:
01.06.2012
Views:
2333
Downloads:
133
Metadata:
Categories:
Misc.
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Record is a part of a journal
Title:
Materials characterization
Shortened title:
Mater. charact.
Publisher:
Elsevier
ISSN:
1044-5803
COBISS.SI-ID:
27546368
Secondary language
Language:
English
Keywords:
preiskava materialov
,
litje na vrteče kovinsko kolo
,
metalografija
,
mikrostruktura
,
aluminijeve zlitine
,
trakovi
,
kvazikristali
,
melt spinning
,
metallography
,
microstructure
,
aluminium alloys
,
melt-spun ribbons
,
quasicrystalls
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