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Anodizing Clinic: Measuring Color of Coatings with a Colorimeter
Q. Recently, a company asked us to match its samples so we could do work for them. According to our method, we matched the samples, but they were rejected when they were sent to the company. We were told the samples were out of tolerance. We discove...
Ask an Expert Published: 12/1/2016
Anodizing Clinic: Anodic Coating Blistering on 7075 Alloy
Q. We have recently run into a surface condition when hard anodizing 7075 machined forgings. It seems to be present primarily on the end of the part, even down into the hole. Both of these areas are machined. The condition does not appear to be evid...
Ask an Expert Published: 12/1/2016
Anodizing: Corrosion on Hardcoat Anodized 7000 Series Forging
Q. I sent you photos of two parts that are alloy 7050 forgings. On these parts there are spots that appeared as a result of Type III (hardcoat) anodizing that were not present before anodizing. They look like corrosion of some sort, but the corrosio...
Ask an Expert Published: 11/3/2016
Poor Anodic Coating Quality on Alloy 5083
Why is alloy 5803 not dyeing properly in the anodizing bath?
Ask an Expert Published: 8/1/2014
Adhesion of Applied Organic Coatings
Our expert addresses an amalgamation of many different questions from folks who are baffled and frustrated by this adhesion problem on their anodized parts.
Ask an Expert Published: 5/8/2014
Hardness of Hardcoat Anodize
Question: What would be the hardness of the Alcoa Alumilite 226 hardcoat finish? The substrate is 6061 alloy aluminum tubing. G.S.
Ask an Expert Published: 11/1/2008
Pitting After Anodizing
Question: We have a customer who is continuously sending us parts made from 7075-T6 that are pitted when we receive them.
Ask an Expert Published: 11/1/2004

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