恒温恒湿法检验常温铁系磷化膜的耐蚀性

Examination of Corrosion Protective Perormance of Room Temperature Iron Phosphating Film by Constant Temperature and Humidity Process

介绍了恒温恒湿法检验常温铁系磷化膜耐蚀性的方法 ,解决了用硫酸铜点滴法不能检验次轻量级的常温铁系磷化膜的问题 。

This article has described the title examination method for determination of corrosion protective performance of iron phosphating film by constant temperature and humidity,solving the problem of spotting method by use of copper sulphate that cannot be used for examination of room temperature iron phosphating film.The preparation method for test box of constant temperature and humidity is given.