Black conversion film with non-chromate was obtained on a cast aluminum alloy by chemical methods, and the anticorrosion properties of the film were evaluated by means of dropping test.
用无铬化学方法在铸铝合金表面制得黑色转化膜，利用点滴试验评价了膜的耐蚀性能。
2
The electrochemical test in sodium chloride solution demonstrated that the coating can improve the anticorrosion capacity, especially the resistance to pitting of low carbon steel.
在氯化钠溶液中的电化学测试表明，聚苯胺膜的存在可以显著地提高低碳钢的耐腐蚀性和抗点蚀能力。
3
In acceptance tests, a moisture resistance test is used to evaluate the anticorrosion property of the package and its relevant quality reliability.