Method for producing chromium plated parts, and chromium plating apparatus
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United States of America Patent
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Dec 1, 2020
Grant Date -
Nov 26, 2020
app pub date -
May 10, 2016
filing date -
May 12, 2015
priority date (Note) -
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Abstract
According to the method for producing chromium plated parts, a plurality of workpieces are immersed in a chromium plating bath, a plating treatment is performed by using a pulse current, and chromium plating layers that have compressive residual stress and suppressed cracking are deposited on surfaces of the plurality of workpieces. A direct current from plating separation lower limit current density up to a range in which the chromium plating layers have compressive residual stress is superimposed during downtime of application of the pulse current.
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