Detection of Surface Irregularity by Means of Transferred Oil Film.

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  • 移着油膜による表面形態の把握
  • イチャク ユマク ニヨル ヒョウメン ケイタイ ノ ハアク

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Abstract

In contact between a surface covered with thin film of oil and a clean surface, the oil film transfers from the former to the latter. The distribution of the transferred oil shows that of the real contact surface. In this paper, the patterns of the transferred oil film were observed and it was shown that the distribution of contact surface was closely related not only to the surface finishing method but also to the structures of the machined surface. It is clarified that the hard cementites in steel surface were protruded in polishing as well as buff-finishing and, as a result, only the cementites contacted with another surface.

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