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Recent Patents on Materials Science

Editor-in-Chief

ISSN (Print): 1874-4648
ISSN (Online): 1874-4656

How can we Distinguish Quasicrystals from other Phases in Al-based Cast Alloys Containing Mn, Mg, Si, Be, Cu, Ce, Fe and Ti?

Author(s): Bostjan Markoli, Tonica Boncina and Franc Zupanic

Volume 8 , Issue 2 , 2015

Page: [109 - 118] Pages: 10

DOI: 10.2174/1874464808666150415225050

Price: $65

Abstract

Recognizing quasicrystals that are embedded in Al-based cast alloys is a challenging task. For this reason, we synthesized a series of multi-component, AlMn-based alloys that contain many icosahedral quasicrystals in addition to crystalline phases. We then conducted a thorough investigation in order to unambiguously distinguish the quasicrystalline phases from all the others. Numerous modern analytical techniques were employed for this, and our efforts proved to be successful. As a result, our newly developed, particle-extraction and surface-etching procedure has been successfully patented.

Keywords: Cast alloys, dynamic deep etching, etching technique, icosahedral quasicrystals, particle extraction, quasicrystal determination.


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