surface phase
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Author(s):  
Changqing Chu ◽  
Chao Li ◽  
Xue Liu ◽  
Hang Zhao ◽  
Changning Wu ◽  
...  

The kinetic and thermodynamic aspects of the surface phase structure evolution on a fcc MoC (001) surface under H2O/H2-rich atmosphere typical in steam reforming processes were systematically studied by periodic...


2021 ◽  
Vol 5 (12) ◽  
Author(s):  
Margareta Wagner ◽  
Jakub Planer ◽  
Bettina S. J. Heller ◽  
Jens Langer ◽  
Andreas Limbeck ◽  
...  

2021 ◽  
Author(s):  
Cheng Liu ◽  
Zonghua Zhang ◽  
Nan Gao ◽  
Zhaozong Meng

Author(s):  
Xueping Zhao ◽  
Giacomo Bartolucci ◽  
Alf Honigmann ◽  
Frank Jülicher ◽  
Christoph A. Weber

Metals ◽  
2021 ◽  
Vol 11 (10) ◽  
pp. 1599
Author(s):  
Andrey Apelfeld ◽  
Anatoly Borisov ◽  
Ilya Dyakov ◽  
Sergey Grigoriev ◽  
Boris Krit ◽  
...  

The influence of technological parameters of plasma electrolytic nitriding and polishing on the wear resistance and corrosion resistance of medium-carbon steel is considered. The morphology and roughness of the surface, phase composition and microhardness of the modified layer have been investigated. Wear resistance was studied under dry friction conditions with bearing steel as counter-body. It was found that plasma electrolytic polishing removes the loose part of the oxide layer and provides a two-fold decrease in surface roughness compared with untreated steel, and 2.8 times compared with the nitrided one. Combined processing at optimal technological parameters leads to an increase in microhardness up to 1130 HV, an increase in wear resistance by 70 times, and a decrease in the corrosion current density by almost 3 times in comparison with untreated steel.


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