Analyses of fatigue data in 4340 high strength steel after cadmium electroplating

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1998-01-01

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Technical Research Centre Finland

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Bending fatigue tests were carried out to clarify the effects of heat treatment parameters: temperature and time after cadmium electroplating on a high strength steel, to avoid hydrogen embrittlement. Temperatures heat of 190 degrees C, 230 degrees C, 250 degrees C and 300 degrees C at 3, 8 and 24 hours together with the base material electroplated, with and without heat treatment, resulted in 14 conditions studied with respect to fatigue behaviour. Statistical data analysis was performed to identify the best combination temperature/time regarding fatigue strength of the ABNT 4340 steel and the results obtained revealed that the fatigue strength depend on temperature/time conditions.

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Fatigue Design 1998, Vol I. Espoo: Technical Research Centre Finland, v. 181, p. 343-349, 1998.

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