無取向硅鋼磷酸鹽環保絕緣涂層制備工藝

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Preparation method of phosphating and environmentally protective insulating coating for non-oriented electrical steel

1. School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China;
2. Maanshan Iron & Steel Co. Ltd., Ma'anshan 243000, China;
3. Maanshan Jin Ke Co. Ltd., Maanshan 243000, China

摘要: 系統研究了環保型無取向型電工鋼板絕緣膜的電工性能.采用水、磷酸二氫鋁、苯-丙乳液作為涂料的主要原材料,綜合SEM、能譜、XRD、鹽霧實驗、硬度和附著性能的試驗結果,得到制備電工鋼絕緣涂料的最佳原料質量比為水:Al(H₂PO₄)₃:苯-丙乳液=25:10:5.在該最佳配比條件下電工鋼片的層間電阻基本保持在500(Ω·mm²)/片以上,附著性、耐蝕性能良好,表明磷酸鹽環保涂料是一種優良的電工鋼絕緣涂料.
- 電工鋼 /
- 絕緣涂膜 /
- 環保涂層 /
- 磷酸鹽
Abstract: The electrical performance of environmentally protective insulating coating for non-oriented electrical steel was studied.H₂O,Al(H₂PO₄)₃ and St-BA emulsion are the principal raw materials of the coating.The experimental results of SEM,energy spectrum,XRD,salt spray testing,rigidity and adhesive force testing show that the best mixture ratio of insulating coating for electrical steel is H₂O:Al(H₂PO₄)₃:St-BA emulsion=25:10:5.Under this condition the interlamination resistance of the electrical steel is basically more than 500(Ω·mm²)/piece,and the performances of the adhesive force and corrosion potential are fine.It is demonstrated that phosphating and environmentally protective coating is an excellent insulating coating for electrical steel.
- electrical steel /
- insulation coating /
- environmentally protective coating /
- phosphate