Third-order elastic constants and low-temperature lattice thermal expansion of the high-temperature structural material TiAl

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DC Field	Value	Language
dc.contributor.author	Nair, Sindhu S.	-
dc.date.accessioned	2024-04-22T10:03:34Z	-
dc.date.available	2024-04-22T10:03:34Z	-
dc.date.issued	2001	-
dc.identifier.uri	https://iopscience.iop.org/article/10.1088/0022-3727/34/4/304/meta	-
dc.identifier.uri	http://dspace.bits-pilani.ac.in:8080/jspui/xmlui/handle/123456789/14611	-
dc.description.abstract	We have derived the expressions for the 12 third-order elastic constants for a tetragonal system by the method of homogeneous deformation which are used to determine the third-order elastic constants of TiAl. These third-order elastic constants are used to determine the low-temperature limit of the volume thermal expansion of TiAl. The value of C333 was calculated to be a high value. The high value of the third-order elastic constant C333 shows a marked anisotropy in the crystal. The low-temperature limit is found to be negative, indicating a negative volume thermal expansion down to zero kelvin.	en_US
dc.language.iso	en	en_US
dc.publisher	IOP	en_US
dc.subject	Physics	en_US
dc.subject	TiAl	en_US
dc.subject	Anisotropy	en_US
dc.title	Third-order elastic constants and low-temperature lattice thermal expansion of the high-temperature structural material TiAl	en_US
dc.type	Article	en_US
Appears in Collections:	Department of Physics

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