Improving diamond coating on Ti6Al4V substrate using a diamond like carbon interlayer: Raman residual stress evaluation and AFM analyses
作者： Z. Nibennanoune , D. George , F. Antoni , S. Ahzi , D. Ruch
DOI: 10.1016/J.DIAMOND.2011.12.023
关键词: Nucleation 、 Residual stress 、 Composite material 、 Surface roughness 、 Grain growth 、 Materials science 、 Seeding 、 Coating 、 Surface finish 、 Diamond
摘要: Abstract We used the micro-Raman spectroscopy to evaluate residual stresses developed in deposited diamond films on Ti6Al4V substrates. A comparison is made between specimens with and without a like carbon (DLC) interlayer. The effect of seeding prior deposition coating also investigated. In addition, AFM analysis carried out quality surface roughness. results show that introduction DLC interlayer lowered stress intensity compared DLC. process enabled generation smaller grains seeding. measured averaged were about half those However process, which led better finish, had partial opposite intensities. This probably due grain growth depending nucleation sites available from process.
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