Reduction in Frictional Force of ZnO Coatings in a Vacuum
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概要
- 論文の詳細を見る
Zinc oxide coatings with crystal preferred orientation on stainless steel substrates were deposited by rf magnetron sputtering. The crystal structure of the ZnO coatings was analyzed by X-ray diffraction spectroscopy. The frictional properties of the coatings were measured under atmosphere and in a vacuum using a vacuum tribometer. The frictional properties of the ZnO coatings in a vacuum show irregularities when compared with the normal properties described by the Amonton–Coulomb law. It was revealed that the electric interaction between the probe for the friction test and the coatings changed owing to the piezoelectric effect in a vacuum. A reduction in the frictional coefficient of the ZnO coatings ($\mu = 0.075$) was achieved at a normal load of 0.2 N under vacuum conditions.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2008-12-25
著者
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Tosa Masahiro
Materials Reliability Center National Institute For Materials Science
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Goto Masahiro
Materials Reliability Center National Institute For Materials Science
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Kasahara Akira
Materials Engineering Laboratory, National Institute for Materials Science, 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan
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Tosa Masahiro
Materials Engineering Laboratory, National Institute for Materials Science, 3-13 Sakura, Tsukuba, Ibaraki 305-0003, Japan
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Kasahara Akira
Materials Engineering Laboratory, National Institute for Materials Science
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Goto Masahiro
Materials Engineering Laboratory, National Institute for Materials Science
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Goto Masahiro
Materials Reliability Center, National Institute for Materials Science, 1-2-1 Sengen, Tsukuba, Ibaraki 305-0047, Japan
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