Tech Met's Chemical Post-Processing Improves Alloys
Typical applications include improved fatigue performance, removal of unwanted surface crystalline morphologies and surface preparation for dye penetrants.
NASA has used Tech Met’s surface treatment services on rocket engines.
Tech Met’s post-processing for 3D-printed alloys can improve a part’s surface characteristics, geometric accuracy, aesthetics and mechanical properties. Typical applications for Tech Met’s chemical printed alloy surface treatment operations include improved fatigue performance, removal of unwanted surface crystalline morphologies and surface preparation for dye penetrants or other inspection processes. This chemical processing is available for a variety of alloys, including all printed titanium alloys, aluminum alloys (including A205) and high-temperature, corrosion-resistant alloys (Inconel 625, Inconel 718, Haynes 188, cobalt chrome).
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The main task of this work was to study the influence of the different parameters on the electrolytic coloring process for aluminum.
Research at the authors’ laboratories has focused on pulse/pulse reverse electrolysis on cathodic processes, such as hard chromium plating from non-hexavalent chemistries. This papers describes studies into pulse/pulse reverse electrolysis as applied to electrochemical metal removal processes, such as electropolishing and electroetching.