Issue << content << High-Voltage Spark Testing of Protective Refinish Coatings Continuity


DOI: 10.12737/article_5b279fdf2b2da1.00411404

2018. Vol.21. No. 2, pp. 42–45

High-Voltage Spark Testing of Protective Refinish Coatings Continuity

A. S. Musikhin, V. A. Syasko

Testing of protective refinish coatings (PRC) continuity for metal products and structures is relevant for modern industry. The article gives a detailed analysis of technological and operational PRC defects. Regulated by modern domestic and foreign regulatory documentation methods for monitoring the continuity of dielectric coatings are considered. The possibility of applying high-voltage spark testing to control protective refinish coatings continuity of metal products without disrupting their properties is substantiated. Based on these studies, an interstate standard has been developed. The standard regulates the application of high-voltage spark testing of protective refinish coatings continuity method and gives recommendations on the choice of control voltage and the NDT procedure
 
Keywords: refinish coating, continuity, holiday detector
 
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