Erosion difference of growth and nucleation sides of free-standing diamond films prepared by DC arc plasma jet CVD
作者： R.H. Zhu , C.M. Li , L.X. Chen , J.L. Liu , J.J. Wei
DOI: 10.1016/J.APSUSC.2015.07.008
关键词:
摘要: Abstract Solid particle erosion behaviors of the nucleation and growth surface free-standing diamond films as a function time were studied by laboratory designed blast type apparatus. The roughness transmission loss used to evaluate extent performance. Results showed that damage features generated impact appeared after for 5 s 30 s respectively, primarily occurred at grain boundaries in form micro-cracks. Then local chipping small sections on border cracks was followed resulting material removal. threshold time, maintain 10.6 μm still above 60%, 60 s 300 s films. exhibited about 5 times higher resistance ending up with relatively lower compared surface, which accordance ratio sizes.
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