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電鍍的定義是什么

發布者:admin 時間:2020-05-29 14:33:00 來源:揚中市永新鍍業有限公司
電鍍便是利用電解原理在某些金屬表面上鍍上一薄層其它金屬或合金的過程,通過電鍍設備、電鍍材料在工件表面沉積一層與工件結合緊密的金屬或合金層的過程。電鍍的目的主要是改變工件表面的性質或尺寸。

比如,通過不同的電鍍材料提高工件的硬度、耐蝕性、耐磨性、光亮度。還可以通過電鍍對磨損的工件進行加厚或加粗修復。按照電鍍層的性質分成裝飾性電鍍、修復性電鍍、功能性電鍍等。所謂功能性鍍層是指滿足某些特殊要求的電鍍層,如耐磨性鍍層、減磨性鍍層、導電性鍍層、導磁性鍍層、高溫鍍層等。

氧化鈦與鎳共沉積、碳化物與鉻共沉積都能取得耐磨性較好的硬質鍍層。固體潤滑劑石墨、二硫化鉬等與鍍層材料鎳、銅等共沉積,能夠 取得減磨復合鍍層或自潤滑復合鍍層。

如此取得的復合鍍層摩擦系數較低,本身有自潤滑作用,并且在較寬的溫度范圍內均有較好的潤滑性能。

電鍍材料在當今社會中的各個領域都有著很重要的作用,隨著時間的發展電鍍材料也會慢慢融入平常百姓的生活中去。
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