Microstructure, Mechanical and Corrosion Behaviors of CoCrFeNiAl0.3 High Entropy Alloy (HEA) Films
The HEA-CoCrFeNiAl0.3 thin film in this study has been successfully developed by radio frequency (RF) magnetron sputtering to meet the increasing demand in engineering applications. Its microstructure and surface profile were investigated accordingly. The as-synthesized HEA film was found to have a...
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| Veröffentlicht in: | Coatings (Basel) 2017-09, Vol.7 (10), p.156 |
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| creator | Gao, Libo Liao, Weibing Zhang, Hongti Surjadi, James Sun, Dong Lu, Yang |
| description | The HEA-CoCrFeNiAl0.3 thin film in this study has been successfully developed by radio frequency (RF) magnetron sputtering to meet the increasing demand in engineering applications. Its microstructure and surface profile were investigated accordingly. The as-synthesized HEA film was found to have a homogeneous element distribution and ultra-smooth surface, exhibiting a typical face-centered cubic (FCC) solid solution. The film showed better mechanical properties than its bulk counterpart, with a Young’s modulus and hardness of ~201.4 GPa and ~11.5 GPa, respectively. Furthermore, corrosion tests demonstrated decreased sensitivity to localized corrosion in comparison to the commercial 304 stainless steel in NaCl solution. |
| doi_str_mv | 10.3390/coatings7100156 |
| format | Article |
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| source | MDPI - Multidisciplinary Digital Publishing Institute; Free E-Journal (出版社公開部分のみ）; Alma/SFX Local Collection |
| subjects | Austenitic stainless steels Bulk modulus Corrosion tests Face centered cubic lattice High entropy alloys Localized corrosion Magnetron sputtering Mechanical properties Microstructure Modulus of elasticity Radio frequency Thin films |
| title | Microstructure, Mechanical and Corrosion Behaviors of CoCrFeNiAl0.3 High Entropy Alloy (HEA) Films |
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