Anodizing is a conversion of the aluminum surface to a thicker, corrosion-resistant aluminum oxide. This site-within-a-site covers everything from chromic and sulfuric acid anodizing to hard coat anodizing articles, suppliers and products.
Anodizing Expert Larry Chesterfield tackles your questions in the Anodizing Clinic.
Most Recent Content in this Zone:
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 discovered the company used a different brand colorimeter with a different color scale to measure the color. Is there a set standard in the anodizing industry for measuring and matching colors?
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 evident on other surfaces. I have not seen this condition before, but it appears to me to be rather unique and something recognizable.
Celebrating the First 80 Years
Oak is the traditional gift for someone turning 80 years old, as it symbolizes longevity and strength, two hallmarks of what we feel our magazine has been with the surface finishing industry since its debut in 1936.
80 Years Helping Finishers
Our readers share how Products Finishing has helped their careers as the magazine celebrates its 80th year covering the finishing industry.