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Materials Matter: Nitriding’s “White Layer” and Isotropic Superfinishing

Materials MatterIsotropic superfinishing is an ideal method of removing the problematic white layer created during the nitriding process.

By: Nathan Michaud Developed in the early 20th century, nitriding has evolved into a standard process across many industrial applications. Often considered the simplest technique for case hardening, the process is commonplace in aircraft manufacturing, bearings, automotive components, turbine generation systems, and various industrial machineries [1]. Modern practitioners have perfected nitriding into…


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