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Functional and Environmental Advantage of Cleaning Ti5B1 Master Alloy

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2022
Mitrasinovic2021-sp.pdf (828.8Kb)
Authors
Mitrašinović, Aleksandar M.
Tomić, Miloš
Article (Accepted Version)
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Abstract
One of the greatest environmental goals for the aluminum alloys industry is generating higher quality products by introducing cleaner input materials while maintaining low production costs. A typical dilemma for the master alloy producers is the cleanness level of the master alloy since insoluble inclusions could serve as inoculants during the solidification process. In this work, commercial Ti5B1 master alloy is used for grain refinement of Al7Si4Cu aluminum alloy and compared with the cleaned master alloy that contained a lower amount of residual refractory oxides and salts. Metallography analysis was used for grain size measurement while Computer Aided Cooling Curve Analysis was used for assessment of the undercooling and heat release values. In all instances, specimens treated with the cleaned master alloy showed smaller grains in the final structure and lower undercooling values. The difference in released heat between liquidus and recalescence temperatures was about 25% in specim...ens where added 0.66 wt% of cleaned master alloys compared to specimens where the commercial master alloys were added. Using cleaner Ti5B1 master alloy with a higher number of TiAl3 and TiB2 particles improves its grain refinement efficiency and transmits fewer impurities in produced parts. Producing cleaner master alloy would be beneficial from economic and environmental aspects by increasing its value and service time of produced parts besides simplifying the recycling process at the end of parts life-cycle.

Keywords:
grain refinement / aluminum / master alloy / heat release / remanufacturing
Source:
International Journal of Precision Engineering and Manufacturing-Green Technology, 2022, 9, 3
Publisher:
  • Springer Science and Business Media LLC
Funding / projects:
  • Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200175 (Institute of Technical Sciences of SASA, Belgrade) (RS-200175)
Note:
  • This is the peer reviewed version of the paper: Mitrašinović, A., Tomić, M., 2022. Functional and Environmental Advantage of Cleaning Ti5B1 Master Alloy, International Journal of Precision Engineering and Manufacturing-Green Technology, 9, 783–793 https://doi.org/10.1007/s40684-021-00339-2
  • Peer-reviewed manuscript: https://hdl.handle.net/21.15107/rcub_dais_11733
Related info:
  • Version of
    https://doi.org/10.1007/s40684-021-00339-2
  • Version of
    https://hdl.handle.net/21.15107/rcub_dais_11733

DOI: 10.1007/s40684-021-00339-2

ISSN: 2288-6206; 2198-0810

WoS: 000664016500001

[ Google Scholar ]
Handle
https://hdl.handle.net/21.15107/rcub_dais_13494
URI
https://dais.sanu.ac.rs/123456789/11733
Collections
  • ИТН САНУ - Општа колекција / ITS SASA - General collection
Institution/Community
Институт техничких наука САНУ / Institute of Technical Sciences of SASA
TY  - JOUR
AU  - Mitrašinović, Aleksandar M.
AU  - Tomić, Miloš
PY  - 2022
UR  - https://dais.sanu.ac.rs/123456789/11733
AB  - One of the greatest environmental goals for the aluminum alloys industry is generating higher quality products by introducing cleaner input materials while maintaining low production costs. A typical dilemma for the master alloy producers is the cleanness level of the master alloy since insoluble inclusions could serve as inoculants during the solidification process. In this work, commercial Ti5B1 master alloy is used for grain refinement of Al7Si4Cu aluminum alloy and compared with the cleaned master alloy that contained a lower amount of residual refractory oxides and salts. Metallography analysis was used for grain size measurement while Computer Aided Cooling Curve Analysis was used for assessment of the undercooling and heat release values. In all instances, specimens treated with the cleaned master alloy showed smaller grains in the final structure and lower undercooling values. The difference in released heat between liquidus and recalescence temperatures was about 25% in specimens where added 0.66 wt% of cleaned master alloys compared to specimens where the commercial master alloys were added. Using cleaner Ti5B1 master alloy with a higher number of TiAl3 and TiB2 particles improves its grain refinement efficiency and transmits fewer impurities in produced parts. Producing cleaner master alloy would be beneficial from economic and environmental aspects by increasing its value and service time of produced parts besides simplifying the recycling process at the end of parts life-cycle.
PB  - Springer Science and Business Media LLC
T2  - International Journal of Precision Engineering and Manufacturing-Green Technology
T1  - Functional and Environmental Advantage of Cleaning Ti5B1 Master Alloy
VL  - 9
VL  - 9
IS  - 3
IS  - 3
DO  - 10.1007/s40684-021-00339-2
UR  - https://hdl.handle.net/21.15107/rcub_dais_13494
ER  - 
@article{
author = "Mitrašinović, Aleksandar M. and Tomić, Miloš",
year = "2022",
abstract = "One of the greatest environmental goals for the aluminum alloys industry is generating higher quality products by introducing cleaner input materials while maintaining low production costs. A typical dilemma for the master alloy producers is the cleanness level of the master alloy since insoluble inclusions could serve as inoculants during the solidification process. In this work, commercial Ti5B1 master alloy is used for grain refinement of Al7Si4Cu aluminum alloy and compared with the cleaned master alloy that contained a lower amount of residual refractory oxides and salts. Metallography analysis was used for grain size measurement while Computer Aided Cooling Curve Analysis was used for assessment of the undercooling and heat release values. In all instances, specimens treated with the cleaned master alloy showed smaller grains in the final structure and lower undercooling values. The difference in released heat between liquidus and recalescence temperatures was about 25% in specimens where added 0.66 wt% of cleaned master alloys compared to specimens where the commercial master alloys were added. Using cleaner Ti5B1 master alloy with a higher number of TiAl3 and TiB2 particles improves its grain refinement efficiency and transmits fewer impurities in produced parts. Producing cleaner master alloy would be beneficial from economic and environmental aspects by increasing its value and service time of produced parts besides simplifying the recycling process at the end of parts life-cycle.",
publisher = "Springer Science and Business Media LLC",
journal = "International Journal of Precision Engineering and Manufacturing-Green Technology",
title = "Functional and Environmental Advantage of Cleaning Ti5B1 Master Alloy",
volume = "9, 9",
number = "3, 3",
doi = "10.1007/s40684-021-00339-2",
url = "https://hdl.handle.net/21.15107/rcub_dais_13494"
}
Mitrašinović, A. M.,& Tomić, M.. (2022). Functional and Environmental Advantage of Cleaning Ti5B1 Master Alloy. in International Journal of Precision Engineering and Manufacturing-Green Technology
Springer Science and Business Media LLC., 9(3).
https://doi.org/10.1007/s40684-021-00339-2
https://hdl.handle.net/21.15107/rcub_dais_13494
Mitrašinović AM, Tomić M. Functional and Environmental Advantage of Cleaning Ti5B1 Master Alloy. in International Journal of Precision Engineering and Manufacturing-Green Technology. 2022;9(3).
doi:10.1007/s40684-021-00339-2
https://hdl.handle.net/21.15107/rcub_dais_13494 .
Mitrašinović, Aleksandar M., Tomić, Miloš, "Functional and Environmental Advantage of Cleaning Ti5B1 Master Alloy" in International Journal of Precision Engineering and Manufacturing-Green Technology, 9, no. 3 (2022),
https://doi.org/10.1007/s40684-021-00339-2 .,
https://hdl.handle.net/21.15107/rcub_dais_13494 .

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