| Naslov: | Microstructure and indentation properties of single-roll and twin-roll casting of a quasicrystal-forming Al-Mn-Cu-Be alloy |
|---|
| Avtorji: | ID Zupanič, Franc (Avtor)
ID Macerl, Matjaž (Avtor)
ID Haga, Toshio (Avtor)
ID Bončina, Tonica (Avtor) |
|---|
| Datoteke: |  metals-12-00187.pdf (10,68 MB)
MD5: 1F51278CE320790929EBC804FE585A6F
 https://www.mdpi.com/2075-4701/12/2/187
|
|---|
| Jezik: | Angleški jezik |
|---|
| Vrsta gradiva: | Članek v reviji |
|---|
| Tipologija: | 1.01 - Izvirni znanstveni članek |
|---|
| Organizacija: | FS - Fakulteta za strojništvo
|
|---|
| Opis: | In this investigation, strips of an experimental Al-Mn-Cu-Be alloy were manufactured by
high-speed single-roll and twin-roll casting to stimulate the formation of a quasicrystalline phase
during solidification. The strips were characterised by light microscopy, scanning and transmission
electron microscopy, microchemical analysis, and X-ray diffraction. Indentation testing was used to
determine the mechanical responses of the strips in different areas. A smooth surface was achieved
on both sides of the twin-roll-cast strip, while the free surface of the single-roll-cast strip was rough.
The microstructures in both strips consisted of an Al-rich solid solution matrix embedding several
intermetallic phases Θ-Al2Cu, Be4Al (Mn, Cu), Al15Mn3Be2 and icosahedral quasicrystalline phase
(IQC). The microstructure of the single-roll-cast strip was more uniform than that of the twin-roll-cast
strip. Coarse Al15Mn3Be2 particles appeared in both alloys, especially at the centre of the twinroll strip. These coarse particles adversely affected the strength and ductility. Nevertheless, both
casting methods provided high-cooling rates, enabling the formation of metastable phases, such as
quasicrystals. However, improvements in alloy composition and casting procedure are required to
obtain enhanced microstructures and properties. |
|---|
| Ključne besede: | single-roll casting, twin roll casting, microstructure, quasicrystal, hardness, aluminium, characterisation |
|---|
| Status publikacije: | Objavljeno |
|---|
| Verzija publikacije: | Objavljena publikacija |
|---|
| Poslano v recenzijo: | 15.12.2021 |
|---|
| Datum sprejetja članka: | 18.01.2022 |
|---|
| Datum objave: | 20.01.2022 |
|---|
| Založnik: | MDPI AG |
|---|
| Leto izida: | 2022 |
|---|
| Št. strani: | 16 str. |
|---|
| Številčenje: | Vol. 12, iss. 2 |
|---|
| PID: | 20.500.12556/DKUM-92240  |
|---|
| UDK: | 669.2/.8:621.74 |
|---|
| COBISS.SI-ID: | 95107843 |
|---|
| DOI: | 10.3390/met12020187 |
|---|
| ISSN pri članku: | 2075-4701 |
|---|
| Avtorske pravice: | © 2022 by the authors |
|---|
| Datum objave v DKUM: | 24.03.2025 |
|---|
| Število ogledov: | 161 |
|---|
| Število prenosov: | 15 |
|---|
| Metapodatki: |    |
|---|
| Področja: | Ostalo
|
|---|
|
:
|
Kopiraj citat |
|---|
| | | | Skupna ocena: | (0 glasov) |
|---|
| Vaša ocena: | Ocenjevanje je dovoljeno samo prijavljenim uporabnikom. |
|---|
| Objavi na: |  |
|---|
Postavite miškin kazalec na naslov za izpis povzetka. Klik na naslov izpiše
podrobnosti ali sproži prenos. |
