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济南铝板阳极氧化膜如何检测?

文章出处:www.kewldewd.com 责任编辑:admin 发表时间:2015-2-4 13:46:02

1、观察济南铝板http://www.kewldewd.com/颜色,已生成氧化膜的纯铝板表面是乳白色,铸铝,杂铝呈灰黑色。未生成氧化膜的表面呈透明的亮白色,有的还附有粉红或灰黑色的挂霜。
Jinan observed aluminum color, has generated pure aluminum oxide film surface is white, cast aluminum, aluminum miscellaneous grayish black. Did not generate a transparent oxide film surface was bright white, some gray with pink or black frost.
  
2、测量济南铝板电阻,已生成氧化膜的检测时有电阻,常压下不导电,未生成氧化膜的检测时能导电。
Jinan aluminum measuring resistance, the generated oxide film has resistance detected when non-conductive under normal pressure, can be detected when the conductive oxide film is not generated.
  
3、划痕,已生成氧化膜的济南铝板表面很硬,用针划时打滑,无划痕,未生成氧化膜的表面很软,用针划时有阻力和划痕。
Scratches, Jinan generated aluminum oxide film surface is very hard, when you draw with a needle slipping, no scratches, no surface oxide film is very soft, there is resistance and scratches with a needle scratch.
  
4、听声,已生成氧化膜的济南铝板敲打时会发出清脆声,未生成氧化膜的敲打时发出闷声。
Listen to the sound, it will issue a crisp sound generated when the aluminum oxide film Jinan beat, beat of the oxide film at issue did not generate muffled.
  
5、对济南铝板http://www.kewldewd.com/进行着色检验,已生成氧化膜的在染色溶液中很快可以上色,未生成氧化膜的在染料溶液中染不上色。
Jinan colored aluminum plate test, the generated oxide film may be colored in a dye solution quickly, the oxide film is not generated in the dye solution, dye not color.

此文关键字:济南铝板
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