INVESTIGATIONS OF THE BARRIER LAYER OF POROUS ANODIC COATINGS ON ALUMINUM

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作者
BOGDANOV, Z
POPOVIC, N
MILIC, M
NENADOVIC, T
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T [工业技术];
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08 ;
摘要
The morphological characteristics of both sides of the barrier layer before and after chemical and ion beam etching have been investigated by scanning electron microscopy. The scalloped barrier layer on the metal-oxide surface was more uniform than that on the opposite side. Ion beam bombardment of the scalloped barrier layer transformed it into a smooth surface. On the basis of the different behaviours of coating materials after bombardment to doses up to 2 x 10(19) ions cm-2, it was shown that an intermediate zone about 1-mu-m thick existed above the barrier layer.
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页码:675 / 682
页数:8
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