无取向电工钢用磷酸盐系绝缘环保涂层的研制及性能研究
胡雄鑫, 张弦, 刘静, 吴开明, 林安

Development and Performance of Phosphate-based Protective Insulation Coating for Non-oriented Electrical Steel
HU Xiongxin, ZHANG Xian, LIU Jing, WU Kaiming, LIN An
表2 D样品的综合性能测试
Table 2 Comprehensive performance test of D sample
Experimental standardEvaluation standard

Industrial

standard

D sample
Inter-layer resistance (dry film) (Ω mm2/0.5 μm)GB/T 2522-2017 Methods of test for the determination of coating insulation resistance and coating adhesion of electrical strip and sheetGB/T 2522-20177001500

Corrosion resistance

(Neutral salty-spray) (h)

GB/T 10125-2012 Corrosion tests in artificial atmospheres-Salt spray testsGB/T 6461-2002 Methods for corrosion testing of metallic and other inorganic coatings on mtallic substrates-Rating of test speciments and manufactured articles subjected to corrosion tests68
Adhesion strengthGB/T 2522-2017 Methods of test for the determination of coating insulation resistance and coating adhesion of electrical strip and sheetGB/T 2522-2017AA
Pencil hardness (H)GB/T 6739-2006 Paints and varnishes-Determination of film hardness by pencil testGB/T 6739-200669