A5006527095- Quasicrystal Structures and Properties
- Microstructure and mechanical properties
- Mineralogy and Gemology Studies
- Intermetallics and Advanced Alloy Properties
- Metallic Glasses and Amorphous Alloys
- High Entropy Alloys Studies
- High-Temperature Coating Behaviors
- Aluminum Alloys Composites Properties
- Aluminum Alloy Microstructure Properties
- Microstructure and Mechanical Properties of Steels
- Welding Techniques and Residual Stresses
- X-ray Diffraction in Crystallography
- Hydrogen embrittlement and corrosion behaviors in metals
- Advanced materials and composites
- Corrosion Behavior and Inhibition
- Metal and Thin Film Mechanics
- Metal Alloys Wear and Properties
- Shape Memory Alloy Transformations
- Additive Manufacturing Materials and Processes
- Metallurgical and Alloy Processes
- Solidification and crystal growth phenomena
- Advanced Theoretical and Applied Studies in Material Sciences and Geometry
- Soil Mechanics and Vehicle Dynamics
- Material Properties and Processing
- Titanium Alloys Microstructure and Properties
Universidade de São Paulo
2024-2025
Universidade Federal de São Carlos
2012-2024
Universidade Federal de Minas Gerais
2018-2024
Abstract Quasicrystalline alloys and their composites have been extensively studied due to complex atomic structures, mechanical properties, unique tribological thermal behaviors. However, technological applications of these materials not yet come age still require additional developments. In this review, we discuss the recent advances that made in last years toward optimizing fabrication processes properties Al‐matrix reinforced with quasicrystals. We detail high‐strength rapid‐solidified...
It was shown recently that the grain size contribution to flow stress and strain rate sensitivity of pure metals having different structures can be estimated by a model deformation for boundary sliding. The present research extends this earlier study estimating in CrMnCoFeNi high entropy alloy. This alloy has attracted significant attention recent years due its remarkable mechanical properties which include higher strength compared f.c.c. from solid solution strengthening. work demonstrates...
The Ti-6Al-4V alloy is widely used in orthopedic and dental implants due to its excellent mechanical, corrosion, biological properties. However, it exhibits several limitations that can compromise performance clinical applications. Notably, the suffers from a high coefficient of friction, which lead increased wear reduced longevity under relative movement conditions. Additionally, shows susceptibility localized corrosion physiological environments, particularly presence bodily fluids may...
A structural and mechanical characterization of pure aluminum 2124 T6 alloy reinforced with quasicrystalline phases composition Al65Cu20Fe15 Al70.5Pd21Mn8.5 (%at.) were performed. The synthesized by arc melting then milled to produce powder the alloys, which mixed starting powders alloy. composites produced hot extrusion a mixture containing 20% (%wt.) reinforcing on metallic matrix. was carried out X-ray diffraction, scanning electron microscopy transmission microscopy. Mechanical Vickers...
Abstract Aluminum-based quasicrystals typically form across narrow composition ranges within binary to quaternary alloys, which makes their fabrication and characterization challenging. Here, we use combinatorial approaches together with fast techniques study a wide compositional range including known quasicrystal forming compositions. Specifically, magnetron co-sputtering fabricate libraries of ~140 Al-Cu-Fe ~300 Al-Cu-Fe-Cr alloys. The alloys compositions are measured through automated...
In order to obtain quasicrystalline (QC) phase by mechanical alloying (MA) in the Al-Cu-Fe system, mixtures of elementary Al, Cu and Fe proportion 65-20-15 (at. %) were produced high energy ball milling (HEBM). A very type mill (spex) short times (up 5 hours) employed. The resulting powders characterized X-ray diffraction (XRD), differential scanning calorimetry (DSC) electron microscopy (SEM). QC was not directly formed under conditions employed this work. However, transformations...