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Metal oxide nanoparticle-based coating as a catalyzer for A-TIG welding : critical raw material perspective
ID
Baloš, Sebastian
(
Avtor
),
ID
Dramićanin, Miroslav D.
(
Avtor
),
ID
Janjatovic, Petar
(
Avtor
),
ID
Zabunov, Ivan
(
Avtor
),
ID
Klobčar, Damjan
(
Avtor
),
ID
Bušić, Matija
(
Avtor
),
ID
Grilli, Maria Luisa
(
Avtor
)
PDF - Predstavitvena datoteka,
prenos
(6,68 MB)
MD5: 90BB3F351B22757FCF8B74A040B501B9
URL - Izvorni URL, za dostop obiščite
https://www.mdpi.com/2075-4701/9/5/567
Galerija slik
Izvleček
Besides a wide application in corrosion protection, wear resistance increase, providing thermal properties and power conversion, oxide coatings have found an alternative application in welding technology as catalysts of the tungsten inert gas (TIG) welding process. In this paper, the novel approach of fabricating a coating containing nanoparticles based on nanosized SiO$_2$ and TiO$_2$ and their mixtures was applied to the austenitic stainless-steel base metal. It was found that coatings increased depths of penetration, enabling a consumable-free welding. Using this method, the use of several critical and near-critical raw materials (e.g., Si and Cr), as well as the relatively expensive Ni can be completely avoided. The most effective coating in terms of weld penetration consisted of a mixture of nanoparticles, rather than unary oxide coatings based on nanoparticles. A model for liquid weld metal flow is proposed based on the metallographic examination of recrystallized grains and microhardnesses measured near the weld metal, supporting the reversed Marangoni convection theory.
Jezik:
Angleški jezik
Ključne besede:
oxide coating
,
nanoparticles
,
TIG welding
,
penetration depth
Vrsta gradiva:
Članek v reviji
Tipologija:
1.01 - Izvirni znanstveni članek
Organizacija:
FS - Fakulteta za strojništvo
Status publikacije:
Objavljeno
Različica publikacije:
Objavljena publikacija
Leto izida:
2019
Št. strani:
12 str.
Številčenje:
Vol. 9, iss. 5, art. 567
PID:
20.500.12556/RUL-132329
UDK:
621.791(045)
ISSN pri članku:
2075-4701
DOI:
10.3390/met9050567
COBISS.SI-ID:
16623131
Datum objave v RUL:
21.10.2021
Število ogledov:
1679
Število prenosov:
146
Metapodatki:
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Objavi na:
Gradivo je del revije
Naslov:
Metals
Skrajšan naslov:
Metals
Založnik:
MDPI AG
ISSN:
2075-4701
COBISS.SI-ID:
15976214
Licence
Licenca:
CC BY 4.0, Creative Commons Priznanje avtorstva 4.0 Mednarodna
Povezava:
http://creativecommons.org/licenses/by/4.0/deed.sl
Opis:
To je standardna licenca Creative Commons, ki daje uporabnikom največ možnosti za nadaljnjo uporabo dela, pri čemer morajo navesti avtorja.
Začetek licenciranja:
15.05.2019
Sekundarni jezik
Jezik:
Slovenski jezik
Ključne besede:
oksidne prevleke
,
nanodelci
,
varjenje TIG
,
globina penetracije
Projekti
Financer:
Drugi - Drug financer ali več financerjev
Program financ.:
COST
Naslov:
Solutions for Critical Raw Materials under Extreme Conditions
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