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高電位鎂陽極

 
 
單價 面議對比
詢價 暫無
發貨 河南焦作市付款后3天內
品牌 炎宇
過期 長期有效
更新 2023-08-01 09:28
 

焦作市炎宇有色金屬有限公司

企業會員第12年
資料未認證
保證金未繳納
詳細說明

鎂是電化學陰極保護工程中常用的一種犧牲陽極材料,具有較高的化學活性,它的電極電位較負,驅動電壓高。同時,鎂表面難以形成有效的保護膜。因此,在水介質中,鎂表面的微觀腐蝕電池驅動力大,保護膜易于溶解,鎂的自腐蝕很強烈,在陰極上發生析氫反應2H++2e— H2。鎂基犧牲陽極有純鎂、Mg-Mn系合金和Mg-AI-Zn-Mn系合金等三類,其共同的特點是密度小、理論電容量大、電位負、極化率低,對鋼鐵的驅動電壓很大(>0.6V),適用于電阻率較高的土壤和淡水中金屬構件的保護。
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