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鍍液組成對硅鋼表面高硅涂層形貌與性能的影響

發(fā)布時間:2018-05-31 05:29

  本文選題:復合電鍍 + Fe-Si涂層; 參考:《電鍍與環(huán)!2017年06期


【摘要】:在硅鋼表面復合電鍍高硅涂層,再通過擴散退火制備高硅電工鋼。采用正交試驗優(yōu)化得到鍍液組成為:FeCl_2·4H_2O 350g/L,硅粒子30g/L,KI 3g/L。實驗結(jié)果表明:pH值對涂層表面裂紋有影響,當pH值為1.3時涂層表面沒有裂紋,其中硅的質(zhì)量分數(shù)為29.84%。1 000℃下擴散退火3h,樣品的鐵損P2/1k從4.49W/kg降到3.64W/kg,飽和磁感應(yīng)強度B8從1.67T回升到1.79T。
[Abstract]:High silicon electric steel was prepared by diffusion annealing after composite electroplating of high silicon coating on the surface of silicon steel. By orthogonal experiment, the composition of plating solution is: 1 FeCl2 4H_2O 350g / L, Si particle 30g / L Ki 3g / L. The experimental results show that there is no crack on the coating surface when the pH value is 1.3, and the Si content is 29.840.000 鈩,

本文編號:1958470

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