![]() ![]() It’s a huge amount of effort, and trial and error, to find a balance of process steps and dyes to achieve a consistent outcome. “You can add dyes during the anodizing process to create a variety of colors, ”Dr. The layer of bumps, known as an oxide layer, prevents damage to the metal from corrosive materials.Īpple being Apple, anodization also has an aesthetic purpose. This raises a series of microscopic, hollow bumps out of the metal-bumps that form a protective layer between the original substrate and the outside world. ![]() David Niebuhr, a metallurgist and lecturer in Mechanical Engineering at Cal Poly, explains that “anodization is as close as we metallurgists ever come to farming.” It works by using an electrochemical process to essentially “grow” a protective layer out of a piece of aluminum. ![]() That begs the question: what in the world is anodization? And thanks to its new patented anodization and etching process, they’ve come closer than ever. With the new Space Black finish, Apple is trying to achieve as true a black as possible. Let’s dive into Apple’s anodization and etching process that achieved the matte black effect and test how the casing holds up against our Cheeto-dust-laden fingers. But we’ve got to investigate these externals. ![]()
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