hydrogen effusion
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Metals ◽  
2020 ◽  
Vol 10 (12) ◽  
pp. 1613
Author(s):  
Garikoitz Artola ◽  
Javier Aldazabal

When steel components fail in service due to the intervention of hydrogen assisted cracking, discussion of the root cause arises. The failure is frequently blamed on component design, working conditions, the manufacturing process, or the raw material. This work studies the influence of quench and tempering and hot-dip galvanizing on the hydrogen embrittlement behavior of a high strength steel. Slow strain rate tensile testing has been employed to assess this influence. Two sets of specimens have been tested, both in air and immersed in synthetic seawater, at three process steps: in the delivery condition of the raw material, after heat treatment and after heat treatment plus hot-dip galvanizing. One of the specimen sets has been tested without further manipulation and the other set has been tested after applying a hydrogen effusion treatment. The outcome, for this case study, is that fracture risk issues only arise due to hydrogen re-embrittlement in wet service.


2020 ◽  
Vol 50 (9) ◽  
pp. 935-942
Author(s):  
S. Trollst ◽  
H. Hoche ◽  
M. Oechsner
Keyword(s):  

2020 ◽  
Vol 257 (9) ◽  
pp. 2000097
Author(s):  
Sahar Jafari ◽  
Jonathan Steffens ◽  
Michael Wendt ◽  
Barbara Terheiden ◽  
Sylke Meyer ◽  
...  

2019 ◽  
Vol 44 (47) ◽  
pp. 26028-26035 ◽  
Author(s):  
Motomichi Koyama ◽  
Daisuke Yamasaki ◽  
Arisa Ikeda ◽  
Tomohiko Hojo ◽  
Eiji Akiyama ◽  
...  

2019 ◽  
Author(s):  
Sahar Jafari ◽  
Jens Hirsch ◽  
Dominik Lausch ◽  
Marco John ◽  
Norbert Bernhard ◽  
...  

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