由阳极极化引起的金属钝化现象，叫阳极钝化或电化学钝化。阳极钝化是作为阳极的金属或化合物在电流作用下，不同程度地失去转入溶液的能力。一般认为阳极钝化是阳极表面生成一层致密的氧化物（或其他化合物）薄膜，这层薄膜覆盖着金属，隔离了阳极与溶液，阻碍了金属的继续氧化溶解，但它仍具有导电作用。
初步探讨了8108的缓蚀机理，认为它属于阳极钝化型缓蚀剂。
An approach has been made in terms of inhibition mechanism and 8108 is considered as an inhibitor of anodic passivation type.
结果表明： 转鼓阳极的机械力作用可以缓和阳极钝化，提高硬质合金废料电解的电流效率。
The results show that the anode passivation can be decreased through the mechanical force of the drum anode, and the current efficiency can be improved.
目的：研究非贵金属合金在上瓷前经过不同的阳极钝化条件处理及除气、预氧化对金瓷结合强度的影响。
Objective: This study is to determine the effect of different surface anodizing and degassing-preoxidation on bonding strength of porcelain to Ni-Cr alloy.
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