Dr. Anne Deacon Juhl

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    Dutch Start-Up Develops Colored Anodizing with Plant-Based Dyes for Improved Sustainability

    By Dr. Anne Deacon Juhl, AluConsult and AnodizingSchool, and Amelie Haupt, Green Marketing Specialist. The aluminum industry plays a pivotal role in sustainable change, as the lightweight metal is a critical component for many sectors such as transportation, building materials, and consumer goods. Although the extraction of bauxite comes with significant labor costs and environmental […]

  • Figure 3. The Copenhagen Opera House in Denmark. (Photo: Nathan Siemers.)

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    Color Anodizing: A Less Daunting Challenge Than Perceived

    By Dr. Anne Deacon Juhl, AluConsult and AnodizingSchool. In many industries, companies often resort to paint instead of color anodized products due to the prevalent issue of color variation and lower costs. This practice poses two significant problems. First, painted surfaces are prone to chipping and peeling, rendering them less durable compared to anodized finishes. […]

  • anodized aluminum

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    Why Anodizing is the Most Sustainable Surface Treatment for Aluminum

    By Dr. Anne Deacon Juhl, AluConsult and AnodizingSchool. The aluminum extrusion and sheet industries are playing an important role in reducing the negative impacts of industrial activities on the environment. This is for a variety of reasons, but is mainly due to the fact that, since aluminum’s fundamental properties do not change with repetitive melting, […]

  • Figure 2. Top image shows a very fine grained microstructure and the image in the bottom a very coarse grained one—both found on the same aluminum part made of EN AW 6061 aluminum alloy.

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    Introduction to Anodizing Aluminum

    By Dr. Anne Deacon Juhl, AluConsult and AnodizingSchool. Editor’s Note: Aluminum manufacturers are not always consistently satisfied with the surface quality of the anodized extrusion and sheet products returned from their anodizers. The anodized products may have patchy surfaces, color variations, or corrosion pits, causing rejects, higher cost, and frustration. Therefore, it is crucial that […]