In order to assess the risk for an adhesive failure, it is common sense that the adhesion of the coating is the essential property of the coating system.
Apr 15, 2023 · The study reported brittle failure in the DLC coatings. Interestingly, the adhesion strength was reported to initially increase, but as the ...
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They showed that the adhesion of DLC coatings to a steel alloy is mainly dependent on the substrate temperature during the growth of a-SiCx:H interlayer.
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As the target power was increased the adhesion strength, micro hardness and deposition rate were observed to improve. Increase in target power and substrate ...
The highest adhesion was obtained on samples carburized by methane during 20 min with a bias of −700 V. Furthermore, this led to interface amorphization. In ...
Apr 28, 2021 · The results showed that below 300°C, DLC films reduced the stable CoF by 3–5 times and the wear rate by 2–3 orders of magnitude. At the same ...
In the scratching test, these films had adhesive failure and they completely detached from the substrate only in the end of the tests. SEM images show ...
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The main issues with its application include internal stresses, inadequate toughness, inadequate adhesion, and a high film-to-substrate-stiffness ratio, which ...
Mar 17, 2024 · Tensile testing as alternative evaluation method for enhanced adhesion of diamond-like carbon coatings with different titanium buffer layers.
A valid solution to relieve the high internal stress and increase the adhesive strength to the substrate in DLC coatings is a small gap in elastic modulus ...
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