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Interface reaction between molten Al99.7 aluminum alloy and various tool steels
ID
Vončina, Maja
(
Author
),
ID
Balaško, Tilen
(
Author
),
ID
Medved, Jože
(
Author
),
ID
Nagode, Aleš
(
Author
)
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MD5: E1D818F9B520C4BF52D8E1165BC0A968
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https://www.mdpi.com/1996-1944/14/24/7708
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Abstract
During the die-casting process as well as the hot forming process, the tool is subjected to complex thermal, mechanical, and chemical stresses that can cause various types of damage to different parts of the tool. This study was carried out to determine the resistance of various tool steels, i.e., UTOPMO1, HTCS-130, and W600, in molten Al99.7 aluminum alloy at a temperature of 700 °C. The formation kinetics of the interaction layer between the molten aluminum and tool steels was studied using differential scanning calorimetry. Light and field-emission scanning electron microscopy were used to analyze the thickness and nature of the interaction layers, while thermodynamic calculations using the Thermo-Calc software were used to explain the results. The stability of the HTCS-130 and W600 tool steels is better than the stability of the UTOPMO1 tool steel in the molten Al99.7 aluminum. Two interaction layers were formed, which in all cases indicate an intermetallic Al$_{13}$Fe$_4$ layer near the aluminum alloy and an intermetallic Al$_5$Fe$_2$ layer near the tool steels, containing small round carbides. It was confirmed that Ni reduces the activity of aluminum in the ferrite matrix and causes a reduction in the thickness of the intermetallic layer.
Language:
English
Keywords:
tool steel–molten aluminum interaction
,
reaction layers
,
intermetallic phases
,
thermal analysis
,
thermodynamics
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
NTF - Faculty of Natural Sciences and Engineering
Publication status:
Published
Publication version:
Version of Record
Year:
2021
Number of pages:
12 str.
Numbering:
Vol. 14, iss. 24, art. 7708
PID:
20.500.12556/RUL-136568
UDC:
669
ISSN on article:
1996-1944
DOI:
10.3390/ma14247708
COBISS.SI-ID:
89284099
Publication date in RUL:
11.05.2022
Views:
826
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200
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Record is a part of a journal
Title:
Materials
Shortened title:
Materials
Publisher:
Molecular Diversity Preservation International
ISSN:
1996-1944
COBISS.SI-ID:
33588485
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
13.12.2021
Projects
Funder:
ARRS - Slovenian Research Agency
Project number:
P2-0344
Name:
Napredna metalurgija
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