scholarly journals The Kinetics of Oxidation Reaction of Chromite by NaOH-NaNO3 Molten Salts

1974 ◽  
pp. 54-59 ◽  
Author(s):  
Kohji KASHIWASE ◽  
Gen-ichi SATO ◽  
Ei-ichi NARITA ◽  
Taijiro OKABE
Keyword(s):  
Molten Salts ◽  
Oxidation Reaction ◽  
Kinetics Of Oxidation ◽  
Kinetics Of

Oxidation Behaviors of DO3 Type Fe3Si Based Intermetallics at 900°C

2010 ◽  
Vol 146-147 ◽  
pp. 1904-1910
Author(s):  
Qi Zhou ◽  
Jian Gang Jia ◽  
Hong Shun Zhao ◽  
Xin Min Zhang
Keyword(s):  
Oxidation Resistance ◽  
Oxidation Product ◽  
Oxidation Reaction ◽  
Protective Oxide ◽  
Kinetics Of Oxidation ◽  
Good Oxidation Resistance ◽  
Arc Melting ◽  
Protective Oxide Film ◽  
Kinetics Of ◽  
Oxidation Behaviors

In the present work, intermetallics Fe3Si and Fe3 (Si1-xAlx) (x=0.33, 0.67, 0.80) produced by arc melting, were evaluated regarding the oxidation at 900°C in air. The test preformed was the isothermal and cyclic oxidation. The microstructures of oxide films were analyzed by XRD, SEM, EDS, EPMA. The result showed that the four kinds of intermetallics had good oxidation resistance at 900°C.The addition of Al element can increase the oxidation resistance of Fe3Si based intermetallics. The oxidation kinetics of the four intermetallics follows the rule of the parabola. The main oxidation product of Fe3Si is SiO2.The kinetics of oxidation reaction is mainly controlled by Si diffusion. The oxidation product of three Al alloying Fe3Si based intermetallics is Al oxide. Al moves outward from the substrate to form a protective oxide film which restrained the diffusion of Si and Fe outward.

Kinetics of Oxidation Reaction for Magnetite Pelets

2013 ◽  
Vol 20 (9) ◽  
pp. 16-20 ◽  
Author(s):  
Ru-quan Liang ◽  
Shuo Yang ◽  
Fu-sheng Yan ◽  
Ji-cheng He
Keyword(s):  
Oxidation Reaction ◽  
Kinetics Of Oxidation ◽  
Kinetics Of

Impact Of Synthesis Route on the Water Oxidation Kinetics of Hematite Photoanodes

2020 ◽  
Author(s):  
Camilo A. Mesa ◽  
Ludmilla Steier ◽  
Benjamin Moss ◽  
Laia Francàs ◽  
James E. Thorne ◽  
...  
Keyword(s):  
Oxygen Vacancy ◽  
Reaction Kinetics ◽  
Water Oxidation ◽  
Oxidation Kinetics ◽  
Oxidation Reaction ◽  
Charge Accumulation ◽  
Optical Signals ◽  
Current Voltage ◽  
Voltage Performance ◽  
Kinetics Of

<p><i>Operando</i> spectroelectrochemical analysis is used to determine the water oxidation reaction kinetics for hematite photoanodes prepared using four different synthetic procedures. Whilst these photoanodes exhibit very different current / voltage performance, their underlying water oxidation kinetics are found to be almost invariant. Lower photoanode performance was found to correlate with the observation of optical signals indicative of charge accumulation in mid-gap oxygen vacancy states, indicating these states do not contribute directly to water oxidation.</p>

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