MICROSTRUCTURAL STUDY OF MECHANICAL AND THERMAL PROPERTIES OF DIAMOND-LIKE CARBON
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概要
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This paper describes the microstructural study of a chemical vapor deposited diamond-like carbon(DLC)thin film, ranging the thickness from 1 μ m to 1.36 μ m. The effect of deposition condition on the microstructure of the DLC film was analyzed by Raman spectroscopy. Increasing the bias voltage and the discharge current shifted the peak shift of G band toward high frequency and enlarged I(D)/I(G)ratio. Lower density films were obtained by lowering bias voltage at discharge current of 5A, but conversely higher density films by lowering bias voltage at 10A and 20A. The hardness and Young's modulus were directly proportional to density of the film. Molecular dynamics analyses gave a linear relationship between the bonding ratio, density and Young's modulus of the film. These analytical results qualitatively agreed with the experimental results. The thermal conductivity of the DLC films was discussed based on the molecular dynamics results.
- 社団法人日本材料学会の論文
- 1998-12-15
著者
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Tanaka Takeshi
Department Of Cardiology The Heart Institute Of Japan
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Isono Y
Ritsumeikan Univ. Shiga Jpn
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Isono Yoshitada
Department Of Engineering Ritsumeikan University
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TERAYAMA Nobuyuki
Department of Development and Engineering, Shiga-Moriyama Plant, Shinko Seiki Co.Ltd.
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Terayama Nobuyuki
Department Of Development And Engineering Shiga-moriyama Plant Shinko Seiki Co.ltd.
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Tanaka Takeshi
Department Of Biomedical Chemistry Graduate School Of Medicine The University Of Tokyo
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Tanaka Takeshi
Department Of Mechanical Engineering Ritsumeikan University
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