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This paper describes a practical test that enables the metal finisher to detect changes in a standardized plating and baking procedure. Low-cost test strips are processed with the work through the complete cycle. Changes in their median time to fracture measures the degree of hydrogen embrittlement. A simple timing device is described that will automatically record the median breaking time for a set of five specimen. Median fracture times can be correlated to the hydrogen content of the strip.
hydrogen embrittlement, failure, cadmium coatings, metal finishing, plating, baking
Technical director, Luster-On Products, Inc., Springfield, Mass.