The Texture and Structure of the Melt-Spun Co2MnAl-Type Heusler Alloy

The structure of the Co2MnAl-type Heusler alloy in the form of a melt-spun ribbon was studied by electron microscopy, electron back-scattered diffraction (EBSD), and X-ray diffraction. The melt-spun ribbon consists of a homogeneous single-phase disordere...

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Main Authors:	Pavel Diko, Viktor Kavečanský, Tomáš Ryba, Lucia Frolová, Rastislav Varga, Zuzana Vargová
Format:	Article
Language:	English
Published:	MDPI AG 2021-01-01
Series:	Materials
Subjects:	Co<sub>2</sub>MnAl Heusler alloy solidification microstructure partitionless growth texture
Online Access:	https://www.mdpi.com/1996-1944/14/3/501

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spelling	doaj-73a0d1371aaf478eb96b178e6a5a06592021-01-22T00:02:01ZengMDPI AGMaterials1996-19442021-01-011450150110.3390/ma14030501The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler AlloyPavel Diko0Viktor Kavečanský1Tomáš Ryba2Lucia Frolová3Rastislav Varga4Zuzana Vargová5Institute of Experimental Physics, Slovak Academy of Sciences, 04001 Košice, SlovakiaInstitute of Experimental Physics, Slovak Academy of Sciences, 04001 Košice, SlovakiaInstitute of Physics, Pavol Jozef Šafárik University in Košice, 04001 Košice, SlovakiaInstitute of Physics, Pavol Jozef Šafárik University in Košice, 04001 Košice, SlovakiaInstitute of Physics, Pavol Jozef Šafárik University in Košice, 04001 Košice, SlovakiaInstitute of Chemistry, Pavol Jozef Šafárik University in Košice, 04154 Košice, SlovakiaThe structure of the Co<sub>2</sub>MnAl<sub>-</sub>type Heusler alloy in the form of a melt-spun ribbon was studied by electron microscopy, electron back-scattered diffraction (EBSD), and X-ray diffraction. The melt-spun ribbon consists of a homogeneous single-phase disordered Heusler alloy at the wheel side of the ribbon and an inhomogeneous single-phase alloy, formed by cellular or dendritic growth, at the free surface of the ribbon. Cellular growth causes the formation of an inhomogeneous distribution of the elemental constituents, with a higher Co and Al concentration in the centre of the cells or dendritic arms and a higher concentration of Mn at the cell boundaries. The EBSD analysis shows that the columnar crystals grow in the <111> crystal direction and are declined by about 10° against the direction of the spinning.https://www.mdpi.com/1996-1944/14/3/501Co<sub>2</sub>MnAl Heusler alloysolidificationmicrostructurepartitionless growthtexture
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Pavel Diko Viktor Kavečanský Tomáš Ryba Lucia Frolová Rastislav Varga Zuzana Vargová
spellingShingle	Pavel Diko Viktor Kavečanský Tomáš Ryba Lucia Frolová Rastislav Varga Zuzana Vargová The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler Alloy Materials Co<sub>2</sub>MnAl Heusler alloy solidification microstructure partitionless growth texture
author_facet	Pavel Diko Viktor Kavečanský Tomáš Ryba Lucia Frolová Rastislav Varga Zuzana Vargová
author_sort	Pavel Diko
title	The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler Alloy
title_short	The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler Alloy
title_full	The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler Alloy
title_fullStr	The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler Alloy
title_full_unstemmed	The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler Alloy
title_sort	texture and structure of the melt-spun co<sub>2</sub>mnal-type heusler alloy
publisher	MDPI AG
series	Materials
issn	1996-1944
publishDate	2021-01-01
description	The structure of the Co<sub>2</sub>MnAl<sub>-</sub>type Heusler alloy in the form of a melt-spun ribbon was studied by electron microscopy, electron back-scattered diffraction (EBSD), and X-ray diffraction. The melt-spun ribbon consists of a homogeneous single-phase disordered Heusler alloy at the wheel side of the ribbon and an inhomogeneous single-phase alloy, formed by cellular or dendritic growth, at the free surface of the ribbon. Cellular growth causes the formation of an inhomogeneous distribution of the elemental constituents, with a higher Co and Al concentration in the centre of the cells or dendritic arms and a higher concentration of Mn at the cell boundaries. The EBSD analysis shows that the columnar crystals grow in the <111> crystal direction and are declined by about 10° against the direction of the spinning.
topic	Co<sub>2</sub>MnAl Heusler alloy solidification microstructure partitionless growth texture
url	https://www.mdpi.com/1996-1944/14/3/501
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The Texture and Structure of the Melt-Spun Co<sub>2</sub>MnAl-Type Heusler Alloy

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