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The Basics of Hydrogen Uptake in Iron and SteelNARA Subscribed
Armco iron and L80 steel (according to API 5CT) were charged under various conditions due to often not knowing the exact amount of hydrogen absorbed during operation and laboratory charging. These two materials were charged in sodium chloride (NaCl), sulfuric acid (H 2 SO 4 ), both with and without addition of thiourea (CH 4 N 2 S), and in H 2 S (NACE TM0177) at open circuit potential. Additionally, cathodic charging was done...
Microbiological methanation is investigated in an underground natural gas reservoir. Since H 2 is involved in the process, hydrogen embrittlement of steel must inevitably be considered. Therefore, a routine for testing has been developed and a unique autoclave test bench was designed to simulate field conditions. The 2205 duplex stainless steel (UNS S31803) was investigated. Constant load tests (CLTs) and immersion tests with...
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