The water is tap water. It gets dirty and contaminated so it is changed once a week approximately. We have some machines that experience no corrosion and some that corrode like the dickens. Different parts of the country with different water sources. I checked ph, clorine and alkalinity. PH was...
Aluminum is 7075-T6, Brass is whatever we could buy at the time. The aluminum is black annodized but not hardcoated because of dimensional requirements. Will the cadmium erode away in time hense the cromate conversion coating?
I have a machine that operates in a water environment. The two materials are aluminum and brass. The aluminum is anodized but is corroding (piting) due to large difference in the electronegativity scale and the resulting difference in the anode to cathode ratio. I am considering plating the...
