Journal
MATERIALS SCIENCE AND TECHNOLOGY
Volume -, Issue -, Pages -Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/02670836.2022.2164400
Keywords
Metallic glass films; working pressure; substrate temperature; nitrogen partial pressure; mechanical property; electrical property
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This study investigates the influence of process parameters on the properties of ZrAlNiCu alloy and nitride film. The films were obtained by magnetron sputtering of a single Zr51Al11Ni4Cu34 target. The key parameters affecting the process were working pressure, substrate temperature, and nitrogen partial pressure. The results show that nitride films deposited at moderate nitrogen partial pressure have FCC-ZrN nanophase, while almost all films are amorphous. A low working pressure and high substrate temperature lead to refined boundary interfaces, thus increasing hardness and electrical conductivity. Nitride films have higher hardness and lower electrical conductivity due to their strong ionic metal-N bonding. Therefore, the formation of FCC-ZrN nanocrystals contributes to the further improvement of hardness.
This study explores the influence of process parameters on the structural, mechanical, and electrical properties of ZrAlNiCu alloy and nitride film obtained by magnetron sputtering of a single Zr51Al11Ni4Cu34 target. Selected variables affecting the process are working pressure, substrate temperature, and nitrogen partial pressure. Almost all films are amorphous except for nitride films deposited at moderate nitrogen partial pressure, which consist of the FCC-ZrN nanophase. A low working pressure and high substrate temperature result in refined boundary interfaces, thus increasing their hardness and electrical conductivity. Nitride films have higher hardness and lower electrical conductivity than alloy films because of their strong ionic metal-N bonding. Thus, the formation of FCC-ZrN nanocrystals is conducive to the further improvement of hardness.
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