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Effects of Target-Substrate Distance on Growth and Mechanical Characteristics of Nanodiamond Composite Coatings Fabricated by Coaxial Arc Plasma Deposition on WC-Co Substrate
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- Mohamed Ragab Diab
- Department of Applied Science for Electronics and Materials, Kyushu University Department of Mechanical Engineering, Kafrelsheikh University
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- Egiza Mohamed
- Department of Mechanical Engineering, Kafrelsheikh University
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- Murasawa Koki
- Department of Applied Science for Electronics and Materials, Kyushu University OSG Corporation
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- Naragino Hiroshi
- Department of Applied Science for Electronics and Materials, Kyushu University
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- Yoshitake Tsuyoshi
- Department of Applied Science for Electronics and Materials, Kyushu University
Bibliographic Information
- Published
- 2023-10-19
- Resource Type
- conference paper
- DOI
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- 10.5109/7157981
- Publisher
- Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
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Description
Nanodiamond composite (NDC) coatings fabricated by coaxial arc plasma deposition (CAPD) exhibit exceptional structural and mechanical properties, making them promising candidates for advanced cutting tool applications. However, the influence of certain key factors, such as the target-substrate distance (TSD), on the growth and characteristics of NDC films remains unclear. TSD affects the substrate ion current and ion bombardment energy, intimately linked to the structure and tribo-mechanical properties of the protective coatings. Therefore, NDC films were fabricated at diverse TSD values ranging from 5 to 50 mm, and their adhesion, hardness, and modulus of elasticity were investigated. The results revealed that growth and adhesion were significantly affected by TSD, whereas hardness and elastic modulus remained constant (from 10 to 50 mm TSD). The film’s thickness declined from 21.88 to 1.8 μm with increasing TSD, and the film quality improved due to macroparticle elimination. Notably, the sample prepared at a distance of 10 mm exhibited the best adhesion resistance, together with a high thickness of 11.45 μm with a hardness of around 50 GPa. The target-substrate distance was revealed to have a crucial potential for determining the structural and mechanical characteristics of NDC films deposited by CAPD.
Journal
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- Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES)
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Proceedings of International Exchange and Innovation Conference on Engineering & Sciences (IEICES) 9 253-260, 2023-10-19
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
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Details 詳細情報について
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- CRID
- 1390579830889763456
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- DOI
- 10.5109/7157981
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- HANDLE
- 2324/7157981
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- ISSN
- 24341436
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- Text Lang
- en
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- Article Type
- conference paper
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- Data Source
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- JaLC
- IRDB
- Crossref
- OpenAIRE
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- Abstract License Flag
- Allowed