Thanks for this informative Video, I would like to ask: You talk about the 3 requirements needed, would that mean that a fastener, that had hydrogen induced (for example through corrosion) but was not in use at the time, would be fine if stored for an extended period due to the hydrogen leaking out of the steel? Or would it still be potentially embrittled because the hydrogen attaches itself to the grain boundarys?
@@industrialmetallurgistsllc6084 thanks for your answer, it was a purely theoretical question as i am trying to better understand Hydrogen embrittlement. I am finding conflicting information even in scientific papers. Some say that HE is irreversible, once it has been loaded with Hydrogen it is "doomed" to fail, while others write that the hydrogen will, in time, diffuse out of the material again as long as it is not put under any stress. Meaning a good guard against HE would simply be storing components for an extended period before using them.
Thank you, very useful video for educational purposes
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Excellent informative video thank you
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Great video!
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Really great video! Thank you for this quick overview.
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Thank you- great video!
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Good video .. thanks for uploading. I just came across a such a failure on the critical bolt joints ..
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Thanks for this informative Video,
I would like to ask: You talk about the 3 requirements needed,
would that mean that a fastener, that had hydrogen induced (for example through corrosion) but was not in use at the time, would be fine if stored for an extended period due to the hydrogen leaking out of the steel? Or would it still be potentially embrittled because the hydrogen attaches itself to the grain boundarys?
Yes, the fastener will be potentially embrittled by the corrosion. Why would you use a fastener that was already corroded?
@@industrialmetallurgistsllc6084 thanks for your answer, it was a purely theoretical question as i am trying to better understand Hydrogen embrittlement. I am finding conflicting information even in scientific papers. Some say that HE is irreversible, once it has been loaded with Hydrogen it is "doomed" to fail, while others write that the hydrogen will, in time, diffuse out of the material again as long as it is not put under any stress. Meaning a good guard against HE would simply be storing components for an extended period before using them.
great video! thank you
I'm glad to hear you enjoyed it.
How long does this take ? Does this occur over months / years?
It can happen in a few days
My studs are being tested for hydrogen embrittlement. The result was a failure.