hydrogen embrittlement


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hydrogen embrittlement

(ɪmˈbrɪtəlmənt)
n
(General Engineering) engineering the weakening of metal by the sorption of hydrogen during a pickling process, such as that used in plating
References in periodicals archive ?
Normally the baking process for hydrogen embrittlement relief is done before the passivation process, but this new technology allows the baking process to be done after the passivation process.
The systematic investigation of hydrogen embrittlement in high manganese steels is challenged by the microstructural, interfacial, and chemical complexity of these materials.
Brittleness evaluation, using bending test, does not show the influence of hydrogen embrittlement.
In this first of two volumes, materials scientists, physicists, and other specialists examine the hydrogen embrittlement problem, methods for characterizing and analyzing hydrogen embrittlement, and the hydrogen embrittlement of relevant alloy classes.
This phase is the evolution stage concerning hydrogen embrittlement and propagation of cracks [23].
Hydrogen Embrittlement of API 5L X60 and API 5L X80 Steels
Though the hydrogen evolution at the implant surface may further complicate the situation by pressure under the prosthesis and hydrogen embrittlement of the implant surface.
Expanding the stress relief and hydrogen embrittlement treatments to be consistent with B 849, Specification for Pre-Treatments of Iron or Steel for Reducing Risk of Hydrogen Embrittlement; and B 850, Guide for Post-Coating Treatments of Steel for Reducing the Risk of Hydrogen Embrittlement.
Textron claims the finished parts have no corrosion points and no need for heat treating, which can lead to hydrogen embrittlement.
The most immediate threat is hydrogen embrittlement, which, according to Wiser, can cause a quick and catastrophic failure.
Zapffe [3] developed and extensively used fractographic techniques to study the hydrogen embrittlement of steels.
Water also degrades lubricant additives, enhances the rate of oxidation, and increases the effect of rolling fatigue due to hydrogen embrittlement.