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Yinghao Sun and Frank Cheng
Hydrogen embrittlement (HE) of steel pipelines in high-pressure gaseous environments is a potential threat to the pipeline integrity. The occurrence of gaseous HE is subjected to associative adsorption of hydrogen molecules (H2) at specific ?active sites...
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Andrei Nazarov, Varvara Helbert and Flavien Vucko
Hydrogen, due to corrosion processes, can degrade high strength steels (HSS) through embrittlement and stress corrosion cracking mechanisms. Scanning Kelvin probe (SKP) mapping of surface potential was applied, to visualize the locations with an increase...
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Zhiyi Leng, Shengfang Zhang, Wenzhe Wang, Hongtao Gu, Jian Yin, Ziguang Wang and Yu Liu
Hydrogen permeation reduces a material?s properties and increases the risk of brittle fracture, which causes a potential safety hazard. A workpiece?s hydrogen permeation resistance could be improved by improving its surface integrity through surface proc...
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Myung-Sung Kim and Kang Woo Chun
As the maritime industry?s emphasis on sustainable fuels has increased, liquid hydrogen (LH2) has emerged as a promising alternative due to its high energy density and zero-emission characteristics. While the experience of using natural gas in ships can ...
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Jihong Li, Longyu Lei, Mingke Du, Zhiqiang Zhang and Min Zhang
Due to the huge difference in thermophysical properties, it is difficult to obtain a defect-free bonding interface between copper and steel. A Cu-Ni-Ti interlayer was added between a TiC-reinforced copper matrix composite coating and Q235 steel in this s...
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Zihao Wang and Tetsuo Shoji
Hydrogen plays various roles in metals or at metal?environment interfaces. Well known effects on metals are hydrogen embrittlement, hydrogen enhanced local plasticity, hydrogen enhanced strain-induced vacancy, hydrogen accelerated oxidation, hydrogen-ind...
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Sara Stelitano, Alberto Rullo, Luigi Piredda, Elisabetta Mecozzi, Luigi Di Vito, Raffaele Giuseppe Agostino, Raffaele Filosa, Vincenzo Formoso, Giuseppe Conte and Alfonso Policicchio
The target for European decarburization encourages the use of renewable energy sources and H2 is considered the link in the global energy system transformation. So, research studies are numerous, but only few facilities can test materials and components ...
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Gábor Vértesy, Antal Gasparics, Ildikó Szenthe and Inge Uytdenhouwen
In this paper, the application of a nondestructive magnetic testing method is analyzed for neutron irradiation-generated embrittlement of nuclear pressure vessel materials. It was found that in spite of the big scatter of measurement points, the degradat...
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Cem Örnek, Kemal Davut, Mustafa Kocabas, Aleyna Bayatli and Mustafa Ürgen
The corrosion morphology in grade 2205 duplex stainless steel wire was studied to understand the nature of pitting and the causes of the ferrite phase?s selective corrosion in acidic (pH 3) NaCl solutions at 60 °C. It is shown that the corrosion mechanis...
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Sagar Tale, Ramadan Ahmed, Rida Elgaddafi and Catalin Teodoriu
The scope of this study includes modeling and experimental investigation of sulfide stress cracking (SSC) of high-strength carbon steel. A model has been developed to predict hydrogen permeation in steel for a given pressure and temperature condition. Th...
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