Structure Maps for Ordered Intermetallics
作者： D. G. Pettifor
DOI: 10.1007/978-94-011-2534-5_4
关键词: Condensed matter physics 、 Cubic form 、 Structure (category theory) 、 Base (topology) 、 Intermetallic 、 Binary number 、 Quantum 、 Materials science 、 Brittleness 、 Crystal structure
摘要: The search for new pseudobinary intermetallics with a required structure type and mechanical properties can be guided at the outset by use of phenomenological two-dimensional maps which order known structural data base on binary compounds. This paper reviews progress made problems encountered in using developing cubic transition metal aluminides. In particular, it emphasizes need microscopic quantum understanding why, example, Al3Nb cannot stabilized form whereas Al3Ti can, why latter remains brittle even though single crystals Ni3Al same L12 crystal are ductile.
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