JSME International Journal Series A Solid Mechanics and Material Engineering
Online ISSN : 1347-5363
Print ISSN : 1344-7912
ISSN-L : 1344-7912
Simulation of Structural Characteristics of Ceramic Coating Film Based on Modeling of Sputtering Process
Toshihiko HOSHIDETakashi IIZUKA
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1998 Volume 41 Issue 1 Pages 25-30

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Abstract

Alumina coating films, which were coated on borosilicate glass by a radio-frequency(RF) magnetron sputtering method, were found to be amorphous in a previous work. It was also revealed that the microhardness of sputtered alumina film was larger with increasing RF output in the processing. There was, however, no simple model to explain experimental observations appropriately. In the present paper, the dynamics of rigid spheres was adopted in modeling the formation of amorphous coating film in a sputtering process, and a simulation based on the model was carried out to investigate structural properties of coating film. The volume fraction of deposited particles in coating film was evaluated for various conditions in the simulation, and the dependence of film hardness on RF output was also discussed. The simulated results were found to represent experimental observations qualitatively.

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