Stable Al-Cu-Co decagonal quasicrystals

✍ Scribed by K.H. Kuo; Z. Zhang

• Book ID: 104365144
• Publisher: Elsevier Science
• Year: 1997
• Tongue: English
• Weight: 1020 KB
• Volume: 34
• Category: Article
• ISSN: 0960-8974
• DOI: 10.1016/s0960-8974(97)00014-4

✦ Synopsis

Stable Al,;.~(!U~o('.(hr, and Alto5(!1 j.5(;o20 decagonal quasicryslals, sonwtimes using a few percent of Si 1o replace AI, call be grown directly fi'onl tile melt as single grain decaprisms of up to 1 ,'m in length. Some salient features of their solidificati(m processes, growth mort)hologies, surface structm'es, high resohltion electron microscopic images, two dimensional quasicrystalline structure, relatitmship to one-dimensional quasicrystals, crystalline approximants, and disloca.tions are pl'esented.

KEYWORDS

I)ecagonal quasicrystMs. ('rystalline apf)roximants, m,irl)hology, dislocations