Anodizing Clinic
Larry Chesterfield

Larry Chesterfield

Larry Chesterfield is president and owner of Anodizing Technologies Inc. With 21 years in business, ATI designs, builds and installs turnkey facilities for aluminum anodizing, titanium anodizing and other metal finishing processes. The company prides itself on providing more than just anodizing equipment—service extends to project management and anodizing technical consulting.

Prior to ATI, Larry was on the other side of the business—he spent 25 years as owner-operator of a large job shop aluminum anodizing, electrostatic painting and aluminum fabrication business.

Larry is also the co-inventor of a patented anodizing process called “High Absorptance, High Emittance Anodic Coating,” a passive thermal control coating used on the International Space Station. The anodized coating controls the surface temperature of aluminum tool bodies and other parts affixed to the exterior of the space station that are subject to thermal changes between the light and dark sides of earth orbit. This makes these space station maintenance tools safe for the astronauts to handle

Larry holds a California “Class A” contractor’s license and has been an active member of the Aluminum Anodizers Council for many years, and has authored various technical papers about anodizing.

Got a question for Larry? Send him an email.

The latest from the Anodizing Clinic

Anodizing by Current Density vs. by Voltage

Can you detail the procedure for anodizing using the current density method as opposed to constant voltage?

Ask an Expert Published: January 19, 2015

Titration Methods for Sulfuric Acid Anodizing Baths

Do you have a recommended analytical method to determine the sulfuric and aluminum concentrations in sulfuric anodizing solutions?

Ask an Expert Published: January 19, 2015

Sulfuric Acid Anodizing Bath Makeup

Can you explain the ratio of acid in the anodizing bath and whether it is calculated by volume or by weight?

Ask an Expert Published: January 19, 2015

Salt Spray Failure on Type I and Boric-Sulfuric Anodize Coupons

What can be done to keep Type I and boric-sulfuric anodize from failing salt spray testing?

Ask an Expert Published: November 01, 2014

Sealing with Distilled Water

Can distilled water be substituted for deionized water?

Ask an Expert Published: November 01, 2014

Making Sense of Anodized Aluminum Finish Callouts and Designations

What are the differences between the Aluminum Association Designation AA- A31 and the MIL-A-8625, Type II, Class 1 anodizing finishes?

Ask an Expert Published: November 01, 2014

Galvanization in the Caustic Etch Bath

What is the maximum zinc level allowed in a caustic etch bath?

Ask an Expert Published: August 01, 2014

Poor Anodic Coating Quality on Alloy 5083

Why is alloy 5803 not dyeing properly in the anodizing bath?

Ask an Expert Published: August 01, 2014

Stripping Type III (Hardcoat) Anodic Coatings

Is there an effective way to strip Type III (hardcoat) anodic coating from parts while removing as little substrate as possible?

Ask an Expert Published: August 01, 2014

Measuring the Color of Anodized Coatings with a Colorimeter

Is there a set standard in the anodizing industry for measuring and matching colors?

Ask an Expert Published: August 01, 2014

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