Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts

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Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts. / Tichy, Stefan; Pucher, Philip; Prillhofer, Bernd et al.
2023. 1-12 Paper presented at European Metallurgical Conference 2023, Düsseldorf, North Rhine-Westphalia, Germany.

Research output: Contribution to conferencePaperpeer-review

Harvard

Tichy, S, Pucher, P, Prillhofer, B, Wibner, S & Antrekowitsch, H 2023, 'Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts', Paper presented at European Metallurgical Conference 2023, Düsseldorf, Germany, 11/06/23 - 14/06/23 pp. 1-12.

APA

Tichy, S., Pucher, P., Prillhofer, B., Wibner, S., & Antrekowitsch, H. (2023). Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts. 1-12. Paper presented at European Metallurgical Conference 2023, Düsseldorf, North Rhine-Westphalia, Germany.

Vancouver

Tichy S, Pucher P, Prillhofer B, Wibner S, Antrekowitsch H. Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts. 2023. Paper presented at European Metallurgical Conference 2023, Düsseldorf, North Rhine-Westphalia, Germany.

Author

Tichy, Stefan ; Pucher, Philip ; Prillhofer, Bernd et al. / Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts. Paper presented at European Metallurgical Conference 2023, Düsseldorf, North Rhine-Westphalia, Germany.12 p.

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@conference{79043f9afbf64e86bd41b2e719e3ef05,
title = "Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts",
abstract = "Due to high energy savings compared to primary production, recycling of aluminium scrap has become increasingly important in recent years. However, the base metal character prevents a recy-cling economy according to the {"}zero waste{"} concept. During melting and holding processes, the liquid aluminium reacts with oxygen in the atmosphere. This leads to the formation of dross and thus to a reduction in the metal yield. To keep these losses as low as possible, casthouses have long been striving to minimise influences that promote oxidation. For this purpose, it is essential to understand the mechanisms behind oxidation, especially in the case of the particularly problematic high Mg alloys, where break-away oxidation can occur. In addition to temperature and holding time, the oxygen content and other gaseous components of the furnace atmosphere have a decisive impact. Bath movement is another factor with major influence regarding oxidation behaviour of aluminium melts. Laboratory investigations on a small scale do usually not allow all these parame-ters to be considered and therefore provide only limited information on the behaviour under indus-trial conditions. This paper provides a comparison of different experimental setups for the assessment of the oxida-tion behaviour of aluminium melts at the scales < 1 g, 50 g and 30 kg and also addresses the trans-ferability of the results towards industrial processes. Quantification is primarily carried out by means of continuous and discontinuous gravimetric measurements. In addition, a qualitative as-sessment of the oxide layers is performed using scanning electron microscope images. ",
author = "Stefan Tichy and Philip Pucher and Bernd Prillhofer and Stefan Wibner and Helmut Antrekowitsch",
year = "2023",
month = jun,
day = "11",
language = "English",
pages = "1--12",
note = "European Metallurgical Conference 2023 ; Conference date: 11-06-2023 Through 14-06-2023",
url = "https://gdmb.de/emc-2023-european-metallurgical-conference/",

}

RIS (suitable for import to EndNote) - Download

TY - CONF

T1 - Comparison of experimental methods to investigate the oxidation behaviour of aluminium melts

AU - Tichy, Stefan

AU - Pucher, Philip

AU - Prillhofer, Bernd

AU - Wibner, Stefan

AU - Antrekowitsch, Helmut

PY - 2023/6/11

Y1 - 2023/6/11

N2 - Due to high energy savings compared to primary production, recycling of aluminium scrap has become increasingly important in recent years. However, the base metal character prevents a recy-cling economy according to the "zero waste" concept. During melting and holding processes, the liquid aluminium reacts with oxygen in the atmosphere. This leads to the formation of dross and thus to a reduction in the metal yield. To keep these losses as low as possible, casthouses have long been striving to minimise influences that promote oxidation. For this purpose, it is essential to understand the mechanisms behind oxidation, especially in the case of the particularly problematic high Mg alloys, where break-away oxidation can occur. In addition to temperature and holding time, the oxygen content and other gaseous components of the furnace atmosphere have a decisive impact. Bath movement is another factor with major influence regarding oxidation behaviour of aluminium melts. Laboratory investigations on a small scale do usually not allow all these parame-ters to be considered and therefore provide only limited information on the behaviour under indus-trial conditions. This paper provides a comparison of different experimental setups for the assessment of the oxida-tion behaviour of aluminium melts at the scales < 1 g, 50 g and 30 kg and also addresses the trans-ferability of the results towards industrial processes. Quantification is primarily carried out by means of continuous and discontinuous gravimetric measurements. In addition, a qualitative as-sessment of the oxide layers is performed using scanning electron microscope images.

AB - Due to high energy savings compared to primary production, recycling of aluminium scrap has become increasingly important in recent years. However, the base metal character prevents a recy-cling economy according to the "zero waste" concept. During melting and holding processes, the liquid aluminium reacts with oxygen in the atmosphere. This leads to the formation of dross and thus to a reduction in the metal yield. To keep these losses as low as possible, casthouses have long been striving to minimise influences that promote oxidation. For this purpose, it is essential to understand the mechanisms behind oxidation, especially in the case of the particularly problematic high Mg alloys, where break-away oxidation can occur. In addition to temperature and holding time, the oxygen content and other gaseous components of the furnace atmosphere have a decisive impact. Bath movement is another factor with major influence regarding oxidation behaviour of aluminium melts. Laboratory investigations on a small scale do usually not allow all these parame-ters to be considered and therefore provide only limited information on the behaviour under indus-trial conditions. This paper provides a comparison of different experimental setups for the assessment of the oxida-tion behaviour of aluminium melts at the scales < 1 g, 50 g and 30 kg and also addresses the trans-ferability of the results towards industrial processes. Quantification is primarily carried out by means of continuous and discontinuous gravimetric measurements. In addition, a qualitative as-sessment of the oxide layers is performed using scanning electron microscope images.

M3 - Paper

SP - 1

EP - 12

T2 - European Metallurgical Conference 2023

Y2 - 11 June 2023 through 14 June 2023

ER -