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Hydrogen Embrittlement Characteristics of Plating Processes on High-Strength Steels
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English
Abstract
Many factors affect the susceptibility of steel to hydrogen-induced delayed brittle failure. The most important factor is the strength level of the specific steel alloy. Other factors are the applied load and hydrogen control. The susceptibility of high-strength steels to this type of failure can be determined with a sustained load test using notched round-bar tensile specimens or Douglas Aircraft Company stress rings.
This paper describes the Douglas method of embrittleĀment testing(ASTM F519, Type 2a) for plating processes and contains information on how the stress rings were used to rate the relative embrittling tendencies of various plating processes. Stress rings and four different-sized loading bars were used to determine the susceptibility of electrolytic tank plating processes (cadmium, chromium and sulfamate nickel) and electrolytic brush plating processes (cadmium and sulfamate nickel) to hydrogen embrittlement under sustained load.
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Authors
Citation
Matsumoto, T., "Hydrogen Embrittlement Characteristics of Plating Processes on High-Strength Steels," SAE Technical Paper 880871, 1988, https://doi.org/10.4271/880871.Also In
References
- Sink G. T. Hydrogen Embrittlement of High Strength Steels Douglas Paper No. 5377 Fifth Annual Airlines Plating Forum Tulsa, Oklahoma January 1969
- Matsumoto T. Low Embrittlement Nickel Plate August 11 1966
- Matsumoto T. Hyter W. H. Multiple Step Chromium Plating Hydrogen Embrittlement Eighth Annual Airlines Plating Forum December 21 1970