Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/43453
標題: The effect of Cr interlayer on the microstructure of CrN coatings on steel
作者: Han, S.
呂福興
Lin, J.H.
Guo, X.J.
Tsai, S.H.
Su, Y.O.
Huang, J.H.
Lu, F.H.
Shih, H.C.
關鍵字: chromium nitride
cross-sectional transmission electron microscopy
pvd coatings
arc
films
期刊/報告no:: Thin Solid Films, Volume 377, Page(s) 578-584.
摘要: The effect of electroplated Cr interlayer on the microstructure of CrN coatings on AISI 4140 steel were investigated. Two types of CrN-coated specimens by cathodic are plasmas were prepared with and without an intermediate layer deposited by electroplated hard chrome (CrN/steel and CrN/Cr/steel). The microstructure and crystallinity of chromium nitride have been investigated using X-ray diffraction (XRD), cross-sectional transmission electron microscopy (XTEM) and selected area diffraction (SAD). Both CrN/steel and CrN/Cr/steel coating assemblies exhibit microcolumnar morphologies. However, it is noted that the columnar structure of CrN coating directly on steel is less evident, strong, and upward in comparison with that deposited on electroplated chromium layer. For CrN/Cr/steel assembly, the preferred orientations of CrN(220) and Cr(200) are observed. (C) 2000 Elsevier Science B.V. All rights reserved.
URI: http://hdl.handle.net/11455/43453
ISSN: 0040-6090
文章連結: http://dx.doi.org/10.1016/s0040-6090(00)01441-3
Appears in Collections:材料科學與工程學系

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