Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy

The effects of adding Cr and Al on the oxidation behavior of a Ti5Si3-incorporated MoSiBTiC alloy (46Mo–28Ti–14Si–6C–6B, at%) were investigated at 800 and 1,100°C. The addition of Cr and Al largely improved the oxidation resistance of the MoSiBTiC alloy at 800°C due to the formation of Cr2(MoO4)3 an...

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Autores principales:	Nan Xi, Hatakeyama Tomotaka, Ida Shuntaro, Sekido Nobuaki, Yoshimi Kyosuke
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	molybdenum oxidation resistance high-temperature materials chromium addition aluminum addition Technology T Chemical technology TP1-1185 Chemicals: Manufacture, use, etc. TP200-248
Acceso en línea:	https://doaj.org/article/d86debf590dc4a0f92a5fb7f45be2963
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spelling	oai:doaj.org-article:d86debf590dc4a0f92a5fb7f45be29632021-12-05T14:10:50ZEffect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy2191-032410.1515/htmp-2021-0024https://doaj.org/article/d86debf590dc4a0f92a5fb7f45be29632021-06-01T00:00:00Zhttps://doi.org/10.1515/htmp-2021-0024https://doaj.org/toc/2191-0324The effects of adding Cr and Al on the oxidation behavior of a Ti5Si3-incorporated MoSiBTiC alloy (46Mo–28Ti–14Si–6C–6B, at%) were investigated at 800 and 1,100°C. The addition of Cr and Al largely improved the oxidation resistance of the MoSiBTiC alloy at 800°C due to the formation of Cr2(MoO4)3 and Al2(MoO4)3 in the oxide scales. These protective molybdates mainly formed on the molybdenum solid solution (Moss) and Mo3Si phases that show poor oxidation resistance in the Cr- and Al-free alloy and consequently increased the oxidation resistance of the alloys. However, accelerated oxidation occurred on the 10Al alloy after the long-term oxidation test, suggesting that the formed oxide scale has limited protection ability. At 1,100°C, the addition of Cr and Al also enhanced the oxidation resistance to some extent by forming Cr2O3 and Al2O3 in the oxide scales.Nan XiHatakeyama TomotakaIda ShuntaroSekido NobuakiYoshimi KyosukeDe Gruyterarticlemolybdenumoxidation resistancehigh-temperature materialschromium additionaluminum additionTechnologyTChemical technologyTP1-1185Chemicals: Manufacture, use, etc.TP200-248ENHigh Temperature Materials and Processes, Vol 40, Iss 1, Pp 204-213 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	molybdenum oxidation resistance high-temperature materials chromium addition aluminum addition Technology T Chemical technology TP1-1185 Chemicals: Manufacture, use, etc. TP200-248
spellingShingle	molybdenum oxidation resistance high-temperature materials chromium addition aluminum addition Technology T Chemical technology TP1-1185 Chemicals: Manufacture, use, etc. TP200-248 Nan Xi Hatakeyama Tomotaka Ida Shuntaro Sekido Nobuaki Yoshimi Kyosuke Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy
description	The effects of adding Cr and Al on the oxidation behavior of a Ti5Si3-incorporated MoSiBTiC alloy (46Mo–28Ti–14Si–6C–6B, at%) were investigated at 800 and 1,100°C. The addition of Cr and Al largely improved the oxidation resistance of the MoSiBTiC alloy at 800°C due to the formation of Cr2(MoO4)3 and Al2(MoO4)3 in the oxide scales. These protective molybdates mainly formed on the molybdenum solid solution (Moss) and Mo3Si phases that show poor oxidation resistance in the Cr- and Al-free alloy and consequently increased the oxidation resistance of the alloys. However, accelerated oxidation occurred on the 10Al alloy after the long-term oxidation test, suggesting that the formed oxide scale has limited protection ability. At 1,100°C, the addition of Cr and Al also enhanced the oxidation resistance to some extent by forming Cr2O3 and Al2O3 in the oxide scales.
format	article
author	Nan Xi Hatakeyama Tomotaka Ida Shuntaro Sekido Nobuaki Yoshimi Kyosuke
author_facet	Nan Xi Hatakeyama Tomotaka Ida Shuntaro Sekido Nobuaki Yoshimi Kyosuke
author_sort	Nan Xi
title	Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy
title_short	Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy
title_full	Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy
title_fullStr	Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy
title_full_unstemmed	Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy
title_sort	effect of cr and al alloying on the oxidation resistance of a ti5si3-incorporated mosibtic alloy
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/d86debf590dc4a0f92a5fb7f45be2963
work_keys_str_mv	AT nanxi effectofcrandalalloyingontheoxidationresistanceofati5si3incorporatedmosibticalloy AT hatakeyamatomotaka effectofcrandalalloyingontheoxidationresistanceofati5si3incorporatedmosibticalloy AT idashuntaro effectofcrandalalloyingontheoxidationresistanceofati5si3incorporatedmosibticalloy AT sekidonobuaki effectofcrandalalloyingontheoxidationresistanceofati5si3incorporatedmosibticalloy AT yoshimikyosuke effectofcrandalalloyingontheoxidationresistanceofati5si3incorporatedmosibticalloy
_version_	1718371692610322432

Effect of Cr and Al alloying on the oxidation resistance of a Ti5Si3-incorporated MoSiBTiC alloy

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