Low hydrogen annealing
From Infogalactic: the planetary knowledge core
Low hydrogen annealing is a heat treatment in metallurgy for the reduction or elimination of hydrogen in a material to prevent hydrogen embrittlement.
Process description
The material is kept in an hydrogen annealing oven over several hours at temperatures between 200 °C and 300 °C. The enclosed hydrogen atoms, known for hydrogen embrittlement[1] are removed by effusion. The method is predominantly used immediately after welding, coating process or galvanizing of the parts.
See also
References
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