composition surface

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composition surface

[‚käm·pə′zish·ən ‚sər·fəs]
(crystallography)
The surface uniting individuals of a crystal twin; may or may not be planar. Also known as composition face.
References in periodicals archive ?
The [Beta] type orientation is associated with crystal twinning at the (110) plane such that the plane normal of (130) orients in the thickness direction, while that of (110) orients at some degree away from the thickness direction.