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biofouling

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吃钢铁的小木虫

[交流] 【求助】水滴下的碳钢腐蚀特征

谁还记得腐蚀科学上的那个有名的..环实验的名称?就是一个液滴覆盖的碳钢表面,四周位置是阴极,中间位置是阳极。

thx
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9675340

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biofouling(金币+1):谢谢参与
什么环实验
2楼2009-09-30 16:57:00
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daodao1583

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小木虫

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旋转圆盘圆环?
~~~绿了枇杷,红了梨花~~~
3楼2009-10-12 10:41:31
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zhangtao1703

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纳尔逊勋爵

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你说的好像是Mansfeld的工作,是个short communication。 用Kelvin探针研究碳钢上存在水滴时,碳钢的表面电位。发现水滴四周是阴极,中间是阳极。
4楼2009-10-13 19:42:47
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happy426

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biofouling(金币+1):谢谢参与
Evans 环实验吧
5楼2009-10-15 08:21:51
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fuelcell.xjtu

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biofouling(金币+3,VIP+0): 10-15 13:03
楼主说的可是这个?

Potential distribution in the evans drop experiment

Caiyun Chen and Florian Mansfeld*

Corrosion and Environmental Effects Laboratory (CEEL) Department of Materials Science and Engineering University of Southern California, Los Angeles, CA 90089-0241, USA

Available online 14 May 1998.

Abstract

The potential distribution adjacent to and under a small drop of NaCl containing phenolphthalein and potassium ferricyanide placed on carbon steel has been determined using a scanning Kelvin probe. Most of the potential drop providing the driving force for dissolution in the center of the drop occurred in thin electrolyte layers adjacent to the drop. Similar results have been obtained in NaCl free of additives and in NaClO4.
6楼2009-10-15 10:27:55
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fuelcell.xjtu

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doi:10.1016/S0010-938X(97)83355-0   

详情自己下吧
7楼2009-10-15 10:28:43
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