Browsing Institutt for maskinteknikk og produksjon by Author "Ma, Yan"
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Evaluation of hydrogen effect on the fatigue crack growth behavior of medium-Mn steels via in-situ hydrogen plasma charging in an environmental scanning electron microscope
Wan, Di; Ma, Yan; Sun, Binhan; Razavi, Seyed Mohammad Javad; Wang, Dong; Lu, Xu; Song, Wenwen (Peer reviewed; Journal article, 2021)Fatigue crack growth (FCG) tests were conducted on a medium-Mn steel annealed at two intercritical annealing temperatures, resulting in different austenite () to ferrite () phase fractions and different (meta-)stabilities. ... -
How much hydrogen is in green steel?
Özgün, Özge; Lu, Xu; Ma, Yan; Raabe, Dierk (Journal article; Peer reviewed, 2023)Hydrogen-based reduction of iron ores is the key technology for future sustainable ironmaking, to mitigate the CO2 burden from the steel industry, accounting for ~7–8% of all global emissions. However, using hydrogen as a ... -
On the hydrogen embrittlement behavior of nickel-based alloys: Alloys 718 and 725
Lu, Xu; Ma, Yan; Wang, Dong (Peer reviewed; Journal article, 2020)Nickel-based superalloys have attracted immense attention in the oil and gas industry due to their outstanding combination of mechanical properties and corrosion resistance. In corrosive service environment, hydrogen ...