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Near-surface porosity in zinc die castings that were subsequently plated with copper, nickel, and bright chromium was causing blemishes in the plating. Identifying die casting turbulence and hot spots were keys to process modifications that subsequently allowed porosity to be greatly minimized.

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D. Aliya, 2019. "Plating Blemishes in Zinc Die Castings", ASM Failure Analysis Case Histories: Processing Errors and Defects

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