ISO 2360:2017
非磁性導電基體上非導體覆蓋層.鍍層厚度的測量.振幅靈敏性渦流法

Non-conductive coatings on non-magnetic electrically conductive base metals - Measurement of coating thickness - Amplitude-sensitive eddy-current method

標準號

ISO 2360:2017

發布

2017年

發布單位

國際標準化組織

當前最新

ISO 2360:2017

 

 

引用標準

ISO 2064:1996 ISO 2178:2016 ISO 21968:2005 ISO 2361:1982 ISO 2808:2007 ISO 4618:2014 ISO 5725-1:1994 ISO 5725-2:1994 ISO/IEC GUIDE 98-3:2008 ISO/IEC GUIDE 99:2007 ISO/TR 22971:2005

適用范圍

This document specifies a method for non-destructive measurements of the thickness of non-conductive coatings on non-magnetic electrically conductive base metals, using amplitude-sensitive eddy-current instruments. In this document, the term “coating” is used for materials such as, for example, paints and varnishes, electroplated coatings, enamel coatings, plastic coatings, claddings and powder coatings. This method is particularly applicable to measurements of the thickness of most oxide coatings produced by anodizing, but is not applicable to all conversion coatings, some of which are too thin to be measured by this method (see Clause 6). This method can also be used to measure non-magnetic metallic coatings on non-conductive base materials. However, the phase-sensitive eddy-current method specified in ISO 21968 is particularly usable to this application and can provide thickness results with a higher accuracy (see Annex A). This method is not applicable to measure non-magnetic metallic coatings on conductive base metals. The phase-sensitive eddy-current method specified in ISO 21968 is particularly useful for this application. However, in the special case of very thin coatings with a very small conductivity, the amplitude-sensitive eddy-current method can also be used for this application (see Annex A). Although the method can be used for measurements of the thickness of coatings on magnetic base metals, its use for this application is not recommended. In such cases, the magnetic method specified

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