Journal ArticleDOI
Single step fabrication by spray forming of large volume Al-based composites reinforced with quasicrystals
Witor Wolf,Luiz Paulo M. e Silva,Guilherme Zepon,Claudio Shyinti Kiminami,Claudemiro Bolfarini,Walter José Botta +5 more
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In this article, the authors demonstrate that it is possible to fabricate a large volume of this composite directly from the liquid phase by spray forming an Al85Cu6Fe3Cr6 (%at) alloy.About:
This article is published in Scripta Materialia.The article was published on 2020-05-01. It has received 23 citations till now. The article focuses on the topics: Spray forming & Composite number.read more
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Effect of ball milling time on the structural characteristics and mechanical properties of nano-sized Y2O3 particle reinforced aluminum matrix composites produced by powder metallurgy route
TL;DR: In this paper, the effects of yttria dispersion and interfacial bonding by ball milling technique on the performance of a 0.5-wt% Yttria nanoparticle reinforced 7075 aluminum alloy composite were examined.
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Unprecedented enhancement in strength-plasticity synergy of (TiC+Al6MoTi+Mo)/Al cermet by multiple length-scale microstructure stimulated synergistic deformation
Hong-Yu Yang,Hong-Yu Yang,Yi-Fan Yan,Tian-Shu Liu,Dong Baixin,Liang-Yu Chen,Shili Shu,Feng Qiu,Qi-Chuan Jiang,Lai-Chang Zhang +9 more
TL;DR: In this paper, a microstructure design concept using refractory metals and intermetallics to offer compromises between soft phase and hard phase is proposed, resulting in unprecedentedly enhanced strength-plasticity synergy.
Journal ArticleDOI
Recent developments on fabrication of Al‐matrix composites reinforced with quasicrystals: From metastable to conventional processing
TL;DR: In this paper, the authors discuss the recent advances that have been made in the last years toward optimizing fabrication processes and properties of Al-matrix composites reinforced with quasicrystals.
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Wear and Corrosion Performance of Al-Cu-Fe-(Cr) Quasicrystalline Coatings Produced by HVOF
Witor Wolf,Witor Wolf,Guilherme Yuuki Koga,Robert Schulz,Sylvio Savoie,Claudio Shyinti Kiminami,Claudemiro Bolfarini,Walter José Botta +7 more
TL;DR: In this article, high-velocity oxygen fuel coatings were produced using gas-atomized Al62.5Cu25Fe12.5 and Al67Cu20Fe5Cr8 powders, resulting in two similar microstructures, consisting mainly of quasicrystalline phases.
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Functionally graded aluminum reinforced with quasicrystal approximant phases – Improving the wear resistance at high temperatures
Tales Ferreira,Guilherme Yuuki Koga,Ivanir Luiz de Oliveira,Claudio Shyinti Kiminami,Walter José Botta,Claudemiro Bolfarini +5 more
TL;DR: In this paper, two metallurgically bonded layers (A and B) were evaluated in sphere-on-plate configuration at different temperatures: room-temperature, 100, 200, and 300 ǫ c.
References
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Journal ArticleDOI
Metallic Phase with Long-Range Orientational Order and No Translational Symmetry
TL;DR: In this article, a metallic solid with long-range orientational order, but with icosahedral point group symmetry, which is inconsistent with lattice translations, was observed and its diffraction spots are as sharp as those of crystals but cannot be indexed to any Bravais lattice.
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A Stable Quasicrystal in Al-Cu-Fe System
TL;DR: In this article, a thermodynamically stable quasicrystalline single phase with an icosahedral structure was found to be formed at an atomic composition of Al65Cu20Fe15 in a fully annealed state as well as in a conventionally solidified state.
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Microstructure, fabrication and properties of quasicrystalline Al–Cu–Fe alloys: a review
TL;DR: In this article, the microstructure, fabrication and properties of quasicrystalline Al-Cu-Fe alloys are reviewed from the perspective of materials engineer, aiming at a better understanding of the basic differences between crystalline and non-crystalline materials with respect to structure and properties.
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Properties- and applications of quasicrystals and complex metallic alloys
TL;DR: An account of what is known about the potential for applications of quasicrystals and related compounds, the so-called family of Complex Metallic Alloys (CMAs) is given in the light of the relevant properties, namely light absorption, reduced adhesion and friction, heat insulation, reinforcement of composites for mechanical devices, and few more exotic ones.
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New prospects from potential applications of quasicrystalline materials
TL;DR: In this article, a review of the technological prospects of quasicrystals, namely composition tailoring and industrial processing of thick coatings, surface preparation and properties, and new potential applications, is presented.