hydrogen embrittlement

(redirected from Hydrogen cracking)
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hydrogen embrittlement

[′hī·drə·jən em′brid·əl·mənt]
(metallurgy)
References in periodicals archive ?
In addition to his categorization of cracks (hot tears, hot cracks, check and cold cracks, "rock candy" aluminum nitride and carbon-nitride cracks, under riser cracking, quench cracking, hydrogen cracking, craze cracking and parting line cracks), he outlined the process for successfully eliminating cracks.
The Preheat Plus programs calculates the preheat welding temperature to minimize the risk of hydrogen cracking.
The Italian company is carrying out expansions of Medor lab and establishing a complex for diesel oil hydrogen cracking at an oil refinery lab in the Upper Egypt governorate of Assiut, the minister said in a statement.
The hydrogen cracking is associated with time delay.
In the case of steel, hydrogen damage may reveal itself as delayed hydrogen cracking, degradation of mechanical properties, especially ductility, and can change microstructures and create bubbles filled with molecular hydrogen, methane or hydrogen sulfide.
We had worked with Lincoln as they were developing the electrode and recognized the advantages it would provide to the project in terms of preventing hydrogen cracking," explained Brad Etheridge, welding engineer at DNV Columbus.
With an Easy Strike[R] tip and Integrated Silicate Technology[TM], the electrodes feature reduced hydrogen cracking, square burn off, and an improved arc start with less porosity.