Impedance spectroscopy of oxide and conversion films on surface of aluminum alloys

被引：0
|
作者：
Koroleva, E.V. [1 ]
Ovcharenko, V.I. [1 ]
Fedorova, A.N. [1 ]
Machevskaya, R.A. [1 ]
机构：
[1] Obninskij Inst Atomnoj Energetiki, Obninsk, Russia
来源：
Zashchita Metallov | 1994年 / 30卷 / 02期
关键词：
Aluminum alloys - Cutting fluids - Diamond cutting tools - Electric impedance - Films - Oxides - Parameter estimation - Passivation - Spectroscopy - Structure (composition);
D O I：
暂无
中图分类号：
TG174 [腐蚀的控制与防护];
学科分类号：
摘要：
Electric parameters are determined for an oxide film formed in air when the AMg4 surface is subjected to diamond turning in a special liquid coolant and for a chromate-phosphate film resulted from anoding oxidation of surfaces of this alloy. Models to describe structural features of these films are proposed. The models are supported by experiments where electric characteristics of films are purposely altered by varying conductivity of the system and temperature.
引用
收藏
页码：139 / 146
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