The effect of microstructure and composition on mechanical properties in thick-layered nanocomposite Ti–Si–C–N coatings

Recently great emphases have been placed on material characteristics, such as hardness and toughness in development of protective hard coatings. This work aims to investigate the microstructures and mechanical properties of rather thick Ti–Si–C–N coatings, deposited by a plasma enhanced magnetron sp...

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Bibliographic Details
Published in:Surface & coatings technology 2010-11, Vol.205 (5), p.1460-1464
Main Authors: Lin, Hsiu-Min, Duh, Jenq-Gong, Wei, Ronghua, Rincon, Christopher, Lee, Jyh-Wei
Format: Article
Language:English
Subjects:
Applied sciences
Coatings
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Hardness
Magnetron sputtering
Materials science
Mechanical properties
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Microstructure
Nanocomposite
Nanocomposites
Nanoindentation
Nanomaterials
Nanostructure
Nonmetallic coatings
Physics
Production techniques
Surface treatment
Surface treatments
Titanium
Ti–Si–C–N thick film
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Summary:Recently great emphases have been placed on material characteristics, such as hardness and toughness in development of protective hard coatings. This work aims to investigate the microstructures and mechanical properties of rather thick Ti–Si–C–N coatings, deposited by a plasma enhanced magnetron sputtering (PEMS). It has been evidently proved that Ti–Si–C–N coatings can effectively enhance hardness due to nanocomposite structure. The composition of the Ti–Si–C–N coatings was quantitatively measured with an electron probe microanalyzer (EPMA). Detailed microstructure of the Ti–Si–C–N coatings was performed by a transmission electron microscopy (TEM). The X-ray diffractometry (XRD) was also used to further identify microstructures. The results indicated that the hardness and microstructures of thick Ti–Si–C–N coatings were strongly affected by the Si contents. A nanocomposite coating with nano grains embedded in amorphous matrix was revealed.
ISSN:0257-8972
1879-3347
DOI:10.1016/j.surfcoat.2010.07.070