Nanocrystalline high-entropy alloy (CoCrFeNiAl0.3) thin-film coating by magnetron sputtering

2017 ◽  
Vol 638 ◽  
pp. 383-388 ◽  
Author(s):  
Weibing Liao ◽  
Si Lan ◽  
Libo Gao ◽  
Hongti Zhang ◽  
Shang Xu ◽  
...  
Keyword(s):  
Thin Film ◽  
Magnetron Sputtering ◽  
Film Coating ◽  
High Entropy Alloy ◽  
Thin Film Coating ◽  
High Entropy

scholarly journals High Strength and Deformation Mechanisms of Al0.3CoCrFeNi High-Entropy Alloy Thin Films Fabricated by Magnetron Sputtering

Entropy ◽  
2019 ◽  
Vol 21 (2) ◽  
pp. 146 ◽  
Author(s):  
Wei-Bing Liao ◽  
Hongti Zhang ◽  
Zhi-Yuan Liu ◽  
Pei-Feng Li ◽  
Jian-Jun Huang ◽  
...  
Keyword(s):  
Thin Film ◽  
Thin Films ◽  
Magnetron Sputtering ◽  
High Hardness ◽  
Deformation Mechanisms ◽  
High Entropy Alloy ◽  
Alloy Thin Film ◽  
Face Centered Cubic ◽  
High Entropy ◽  
Strength And Deformation

Recently, high-entropy alloy thin films (HEATFs) with nanocrystalline structures and high hardness were developed by magnetron sputtering technique and have exciting potential to make small structure devices and precision instruments with sizes ranging from nanometers to micrometers. However, the strength and deformation mechanisms are still unclear. In this work, nanocrystalline Al0.3CoCrFeNi HEATFs with a thickness of ~4 μm were prepared. The microstructures of the thin films were comprehensively characterized, and the mechanical properties were systematically studied. It was found that the thin film was smooth, with a roughness of less than 5 nm. The chemical composition of the high entropy alloy thin film was homogeneous with a main single face-centered cubic (FCC) structure. Furthermore, it was observed that the hardness and the yield strength of the high-entropy alloy thin film was about three times that of the bulk samples, and the plastic deformation was inhomogeneous. Our results could provide an in-depth understanding of the mechanics and deformation mechanism for future design of nanocrystalline HEATFs with desired properties.

Thin-film coating of vibro-fluidized microparticles via R. F. Magnetron sputtering

2018 ◽  
Author(s):  
Benjamin Garrett ◽  
Mathew Zablocki ◽  
Mark S. Mirotznik ◽  
Nicholas Hudak ◽  
Ahmed S. Sharkawy ◽  
...  
Keyword(s):  
Thin Film ◽  
Magnetron Sputtering ◽  
Film Coating ◽  
Thin Film Coating
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