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Journal articles on the topic 'Hot oxidation'

Author: Grafiati

Published: 31 May 2025

Last updated: 31 July 2025

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1

IP, Ivanova. "Mechanism of Hydroquinone Oxidation by Hot Plasma Pulsed Radiation." Physical Science & Biophysics Journal 6, no. 2 (2022): 1–5. http://dx.doi.org/10.23880/psbj-16000226.

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The degradation of hydroquinone in interactions with OH• , HO2 • radicals, nitrous and peroxynitrous acids has been studied. Active species were generated using a corona electric discharge and pulsed radiation from hot plasma of a spark electric discharge. When interacting with hydroxyl radicals, hydroquinone breaks down into low molecular weight products. When interacting with species formed under the action of hot plasma radiation, chain oxidation of hydroquinone to benzoquinone occurs. This process is environmentally friendly and does not require the use of additional catalysts. Products fo

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2

Xiao, Ling, Yu Li, Xuan Wang, and Chao Yu. "Study on aging mechanism of special neoprene in hot air." IOP Conference Series: Earth and Environmental Science 1171, no. 1 (2023): 012038. http://dx.doi.org/10.1088/1755-1315/1171/1/012038.

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Abstract The accelerated aging tests of the special neoprene material in hot air were carried in laboratory. The aging mechanism was analyzed by using FTIR, DSC and TG spectra. The results showed that the thermal oxidative aging in air was a self-catalyzed oxidating reaction, the cross-linking reaction firstly in the process of thermo-oxidation, and the degradation reaction occurs at the later stage of aging.

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3

Kaewpaluk, Parimon, Onanong Kulaputana, and Sompol Sanguanrungsirikul. "Comparison of the Effect of Hot and Thermo-Neutral Environments on Fat Oxidation during Post-Exercise Recovery in Exercise-Trained Obese Women: A Preliminary Report." Trends in Sciences 18, no. 21 (2021): 394. http://dx.doi.org/10.48048/tis.2021.394.

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Exercise training is recommended to promote energy expenditure. Fat utilization occurs during exercise and continues for an extended period of time after the exercise session. The environmental temperatures can influence whole body substrate oxidation. The present study aimed to address the impacts of environmental temperature on fat oxidation during post-exercise recovery in exercise-trained obese women. Eleven sedentary obese women (age: 18 - 50 y, BMI: 27.5 - 40 kg/m2) with regular menstruation participated in the study. All subjects underwent a 4-week moderate-intensity aerobic exercise pr

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Mori, Kenichiro, Seijiro Maki, and Shouichi Saito. "Prevention of Oxidation in Hot Stamping of Ultra High Strength Steel Sheets." Key Engineering Materials 410-411 (March 2009): 255–61. http://dx.doi.org/10.4028/www.scientific.net/kem.410-411.255.

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Oxidation in hot stamping of ultra high strength steel sheets was prevented by coating the sheets with an oxidation preventive oil. For four types of oxidation preventive oil, the degree of oxidation under natural cooling of the heated sheets without forming was first evaluated. The oil that forms a liquefied film at elevated temperatures exhibited high oxidation prevention, and this oil was chosen for a hot bending experiment. Hot hat-shaped bending of the coated sheets using resistance heating was carried out to examine the properties of the products. The bending load was markedly decreased,

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Kondo, Yasumitsu. "Suppression of Surface Hot Shortness Caused by Copper during Hot Rolling." Materials Science Forum 696 (September 2011): 183–88. http://dx.doi.org/10.4028/www.scientific.net/msf.696.183.

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Since copper content in steel causes hot shortness, it is important to understand copper behaviour during high-temperature oxidation, in order to control the precipitated copper. This study examines copper distribution during the oxidation of steel. From the oxidation tests, it is shown that precipitated copper existing in the scale/steel interface is absorbed into the magnetite layer or evaporates into the atmosphere. Then, a proposed method to suppress hot shortness is tested by oxidation-tensile tests at high temperature and is proven to be effective.

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Jiang, Junfei, Xingying Ji, Qingyan Ling, et al. "Influence of Carbon Particle Characteristics on Oxidative Filtration Under Biomass Gasification Gas Atmosphere." Energies 18, no. 5 (2025): 1015. https://doi.org/10.3390/en18051015.

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The oxidation of filter cake particles (FCPs) is beneficial for preventing filter media blockage during the hot filtration of raw biomass gasification gas. The influence of particle characteristics on hot oxidative filtration was investigated through characterization, kinetic study, and lab-scale experiments. The characterization results indicated that FCPs are particles with C content of more than 60%, containing –CHn and C=O functional groups. After pyrolysis treatment, these functional groups gradually diminished, while the degree of atomic nucleus condensation increased. The oxidation kine

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7

Wu, Yanxin, Qi Zhang, Rong Zhu, Mai Wang, Haitao Jiang, and Zhenli Mi. "Studying the Effect of Cr and Si on the High-Temperature Oxidation-Resistance Mechanism of Hot Stamping Steel." Metals 13, no. 10 (2023): 1670. http://dx.doi.org/10.3390/met13101670.

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The surface of hot stamping steel is severely oxidized during heating, holding, and transfer from the heating furnace to the stamping die in the production of traditional automotive parts. Coating-free hot stamping steel with Cr and Si elements exhibits excellent oxidation resistance during hot stamping without the protection of a surface coating. This paper investigates the oxidation behavior of three types of hot stamping steel at 800–1200 °C. The results show that although Cr-Si hot stamping steel performs excellently short-term (≤7.5 min) for oxidation resistance, its long-term (≥15 min) o

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8

Lou, Jin, Jie Ke Wang, and Yu Bin Wang. "The High Temperature Oxidation Behavior of Hot-Dipping Al Coating on 0Cr18Ni10Ti Stainless Steel." Advanced Materials Research 905 (April 2014): 123–27. http://dx.doi.org/10.4028/www.scientific.net/amr.905.123.

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0Cr18Ni10Ti stainless steel was coated by hot-dipping in a molten aluminum bath, and then diffusing annealing at 950°C for 2h. The high temperature isothermal oxidation behaviors of the hot-dipped aluminized steel and 0Cr18Ni10Ti steel were tested at 900 °C for 24h using Thermo gravimetric analyzer. The high temperature cyclic oxidation behaviors of the hot-dipped aluminized steel and 0Cr18Ni10Ti steel were tested at 900 °C for 24h using resistance furnace. The morphology was studied by SEM, the phase composition was characterized by EDS. The result of high temperature isothermal and cyclic ox

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9

Lou, Jin, and Cheng Xiang Ruan. "The High Temperature Oxidation Behavior of Hot-Dip Aluminized GH169." Advanced Materials Research 900 (February 2014): 87–91. http://dx.doi.org/10.4028/www.scientific.net/amr.900.87.

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GH169 was coated by hot-dipping in a molten aluminum bath, and then diffusing annealing at 950 °C for 2 h. The high temperature isothermal oxidation behavior of the hot-dipped aluminized alloy and GH169 was tested at 900 °C for 100 h using resistance furnace. The surface morphology and phase composition of the oxide scale were studied by SEM and EDS. The result of high temperature oxidation test showed that oxidation curves of hot-dipped aluminized steel and GH169 followed parabolic law at 900 °C for 100h and the hot-dipped aluminum present more excellent anti-oxidation. A dense film formed on

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10

Van Quynh, Nguyen, Nguyen Binh Minh, Dinh Thi Mai Thanh, Nguyen Luong Lam, and Nguyen Tien Anh. "Electrochemical deposition of gold nanoparticles‐based plasmonic catalyst for glucose oxidation." Vietnam Journal of Chemistry 58, no. 6 (2020): 785–91. http://dx.doi.org/10.1002/vjch.202000030.

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AbstractThis work describes an effective electrodeposition method for generating gold plasmonic electrodes which are further used for detecting glucose in solution without the presence of any enzymes (i.e Gox). Under light irradiation, the electro‐catalytic oxidation of glucose on the electrodeposited gold nanoparticle (AuNP) surfaces has been investigated. The wavelength‐dependent electrochemical oxidative current intensity implies that the hot carriers transferred from the excited plasmonic AuNPs to the absorbed molecules are responsible for enhancing electro‐catalysis performance. Hot holes

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11

Rehman, Abdul, Mohammad Hassan Shirani Bidabadi, Liang Yang, et al. "Optimization of pre-oxidation time for corrosion resistance of cobalt based coating alloy in mixed sulphates." Anti-Corrosion Methods and Materials 68, no. 1 (2021): 29–35. http://dx.doi.org/10.1108/acmm-03-2020-2270.

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Purpose This study aims to optimise the effect of pre-oxidation on hot corrosion behaviour of Tribaloy T-900 at 900 °C in mixed Na2SO4 and K2SO4. Design/methodology/approach Prior to hot corrosion experiment, pre-oxidation treatments were carried in ambient air at 900 °C for 1, 5 and 10 h, respectively. The hot corrosion experiments were performed in a box type furnace at 900 °C. Both surfaces of specimens were brushed with saturated salt solution of 75 wt.% Na2SO4 + 25 wt.% K2SO4. After brushing, the salt-coated specimens were placed in electric stove to ensure drying of salt. After drying, p

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12

Shimizu, Kazumichi, Kenta Kusumoto, Kimitoshi Nakamura, Shoji Kiguchi, Masato Shirai, and Jun Ito. "Effect of C Content on High Temperature Erosive Wear Characteristics of Fe-Based V Containing Multi-Component Cast Steel with Ni." Materials Science Forum 925 (June 2018): 400–407. http://dx.doi.org/10.4028/www.scientific.net/msf.925.400.

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Hot hardness and oxidation property of target material influences greatly on the erosion behavior at elevated temperature. The correlation between hot hardness and oxidation property of multi component white cast irons and its erosion resistance were investigated, and try to estimate the high temperature erosion behavior in the study. Nine kinds of multi component white cast iron and cast steel were used in this study. Specimen were machined into a flat plate with dimension of 50×50×10 mm. High temperature erosion test machine was used to investigate the erosive wear property of experimental m

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13

Efimenko, L. N., E. V. Lifshits, I. T. Ostapenko, I. A. Snezhko, and �. P. Shevyakova. "Oxidation of hot-pressed boron carbide." Soviet Powder Metallurgy and Metal Ceramics 26, no. 4 (1987): 318–21. http://dx.doi.org/10.1007/bf01184440.

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14

Kim, Jong Jip. "Oxidation of hot-pressed silicon carbide." Journal of Materials Science Letters 15, no. 19 (1996): 1687–89. http://dx.doi.org/10.1007/bf00636196.

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15

Kulaputana, Onanong, Parimon Kaewpaluk, and Sompol Sanguanrungsirikul. "Postexercise substrate oxidation is environmental temperature dependent before and after short‐term exercise training in obese women." European Journal of Sport Science 24, no. 1 (2024): 139–48. http://dx.doi.org/10.1002/ejsc.12032.

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AbstractSubstrate oxidation can be altered by both environmental temperature and exercise training. It is unclear whether environmental temperatures before and after short‐term exercise training influence substrate oxidation rates and energy expenditure (EE) during postexercise recovery. The purpose of this paper is to study the effects of hot and thermoneutral environments on substrate oxidation and EE during postexercise recovery before and after a 1‐month exercise training in obese women. Sixteen overweight or obese women underwent a 1‐month exercise training. Before and after training, eac

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16

Zhao, Yan, Lei Liu, Dengcui Yang, Weinan Li, Jianlin Yu, and Zhengzhi Zhao. "Analysis of the Oxidation Behavior and Formation of an Extremely Thin Oxide Layer with a Novel Hot-Stamped Steel." Metals 14, no. 7 (2024): 760. http://dx.doi.org/10.3390/met14070760.

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This study investigates enhancing the high-temperature oxidation resistance of hot-stamped steels by adding the Cr/Mn/Si elements to form an extremely thin oxide layer. Under low oxygen partial pressure conditions and high Cr content in the matrix, the oxide layer of a 38Cr3MnNbVMo hot-rolled plate containing the Mo element and high Si content was further thinned to 0.6 μm after cooling at 900 °C for 5 min. The structure of the ultra-thin oxide layer consists of Fe3O4, Mn oxides, FeCr2O4, Cr2O3, and Fe2SiO4 oxides. Compared to other antioxidant elements, under low oxygen partial pressure condi

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17

Labinger, Jay A. "Selective alkane oxidation: hot and cold approaches to a hot problem." Journal of Molecular Catalysis A: Chemical 220, no. 1 (2004): 27–35. http://dx.doi.org/10.1016/j.molcata.2004.03.051.

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18

Chang, Jun-Kai, Chao-Sung Lin, Wei-Jen Cheng, I.-Hsuang Lo, and Woei-Ren Wang. "Oxidation resistant silane coating for hot-dip galvanized hot stamping steel." Corrosion Science 164 (March 2020): 108307. http://dx.doi.org/10.1016/j.corsci.2019.108307.

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19

Zhou, Yuebo, Hong Wang, Chenggang Mo, and Lina Zhang. "Effect of Minor Nb on Isothermal-Oxidation and Hot Corrosion Behavior of Two Nickel-Based Superalloys Under Na2SO4/Na2SO4-NaCl." Corrosion 77, no. 9 (2021): 949–60. http://dx.doi.org/10.5006/3732.

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Two nickel-based superalloys with and without minor Nb were prepared using double vacuum melting. The comparison of microstructure, isothermal-oxidation, and hot corrosion behavior under molten Na2SO4/Na2SO4+25 wt% NaCl at 900°C was evaluated. Results indicated that Nb accelerated the formation of chromia scale in a short transient stage, leading to a lower scaling rate. Nb also inhibited the internal oxidation/nitridation. Both significantly improved the hot corrosion resistance under Na2SO4. However, the beneficial effect of Nb is slight under mixed salts with NaCl. The beneficial effects of

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20

Suarez, Lucia, Juergen Schneider, and Yvan Houbaert. "Effect of Si on High-Temperature Oxidation of Steel during Hot Rolling." Defect and Diffusion Forum 273-276 (February 2008): 655–60. http://dx.doi.org/10.4028/www.scientific.net/ddf.273-276.655.

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An oxide scale layer always forms at the strip surface during the hot rolling process. As a consequence, de-scaling and pickling operations must be performed prior or after hot rolling. Many surface defects caused by hot rolling are related to oxidation in the reheating furnace. One of these is the melting of eutectic FeO/Fe2SiO4 during reheating over 1170°C giving as a result red scale defects in Si-added steel. On the other hand, steel strip surface oxidation during hot rolling causes an industrial and environmental problem: secondary oxide is removed after roughing, but tertiary oxide scale

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21

Monteiro, Mauricio J., and F. C. Rizzo. "Effect of Chromium Content on the Oxidation Behaviour of High-Speed Steels under Dry and Moist Air Environments." Materials Science Forum 522-523 (August 2006): 171–80. http://dx.doi.org/10.4028/www.scientific.net/msf.522-523.171.

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Development and use of high-speed steels for manufacturing the roll outer shell of hot strip mills represented a major recent technological advancement in the hot rolling field. However, it was observed that the oxidation behavior of these steels was different from that of conventional rolls. The high-speed steel oxidation rate is about four times higher than the alloys previously used. Furthermore, the rolling conditions are quite aggressive. Contact of the roll with the hot strip, air and water of the cooling system is expected to increase the oxidation of the roll surface in this wet atmosp

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22

Singthanu, Seksan, and Thanasak Nilsonthi. "A Comparative Study of the Oxidation Behavior of Hot-Rolled Steel established from Medium and Thin Slabs oxidized in 20% H2O-N2 at 600-900°C." Engineering, Technology & Applied Science Research 14, no. 1 (2024): 12646–51. http://dx.doi.org/10.48084/etasr.6168.

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This study focuses on the oxidation behavior of oxide scale on hot-rolled steel from a Thailand steel industry. Hot-rolled steel established from the medium and thin slabs was studied. The oxidation behavior was conducted in a horizontal furnace with 20%H2O-N2 to simulate steel oxidation during the hot rolling line. The scale was formed at a temperature range of 600-900°C for 30, 60, and 90 min. The scale morphology can be seen via Scanning Electron Microscope (SEM-EDS). The oxide phase was investigated via X-Ray Diffraction (XRD). The results show that iron oxides such as hematite (Fe2O3) and

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23

Zeng, Siqi, and Faguo Li. "Study on the Influence Law of Ce on Microstructure and High-Temperature Oxidation Resistance of Ti-Al-Si Composite Coating." Coatings 13, no. 7 (2023): 1244. http://dx.doi.org/10.3390/coatings13071244.

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High-temperature titanium alloys are widely used in aerospace hot parts; however, the thermal barrier temperature of 600 °C limits its service temperature. In this paper, a two-step hot-dip plating method is proposed to prepare the composite coating containing Ce on the surface of titanium alloy, which can make the oxidation resistance temperature of titanium alloy reach 800 °C The microstructure, phase composition, and element distribution of Ce-containing Ti-Al-Si hot-dip coating, Ce-containing Ti-Al-Si pre-oxidation coating and Ce-containing Ti-Al-Si high-temperature oxidation coating were

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24

GLADKAYA, E. A., E. E. TIMOFEEVA, and V. V. FEDINA. "INVESTIGATION OF INTERNAL OXIDATION PROCESSES OF HOT-BRIQUETTED IRON." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 78, no. 10 (2022): 851–57. http://dx.doi.org/10.32339/0135-5910-2022-10-851-857.

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During cooling of hot-briquetted iron (HBI), storage and transportation of briquettes, the water enters them through the pores, which leads to internal oxidation of the reduced iron, i.e. oxidation without access to an external oxidizer. Due to lack of the research methods of this process at the Department of Metallurgy and Metallology named after S.P. Ugarova, an experimental method for assessment of the internal oxidation of HBI was developed. A general view and description of a laboratory setup for determining the reactivity of the fractional composition of HBI is given. The results of an e

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25

Lou, Jin, Cheng Xiang Ruan, and Xin Peng. "The High Temperature Oxidation Behavior of Hot-Dipping Aluminized Steel 0Cr18Ni10Ti." Advanced Materials Research 912-914 (April 2014): 414–18. http://dx.doi.org/10.4028/www.scientific.net/amr.912-914.414.

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0Cr18Ni10Ti stainless steel was coated by hot-dipping in a molten aluminum bath, and then diffusing annealing at 950 °C for 2h. The high temperature isothermal oxidation behaviors of the hot-dipped aluminized steel and 0Cr18Ni10Ti steel were tested at 900 °C for 100h using resistance furnace. Morphology, and phase composition, element distribution of the oxide scale were characterized by XRD, SEM and EDS. The results of hot-dipping Al showed that slow weight gain was occurred, because of the formation of compact and dense Al2O3oxide film during the oxidation process. The result of 0Cr18Ni10Ti

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26

González, V., P. Rodríguez, Z. Haduck, and R. Colás. "Modelling oxidation of hot rolling work rolls." Ironmaking & Steelmaking 28, no. 6 (2001): 470–73. http://dx.doi.org/10.1179/irs.2001.28.6.470.

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27

KUMARI, S. V., and S. V. KUMARI. "Hot-salt oxidation characteristics of titanium aluminides." Journal of Materials Science 33, no. 17 (1998): 4315–19. http://dx.doi.org/10.1023/a:1004491622229.

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28

Hennenberg, M. "Solutal elasticity during hot oxidation of metals." Solid State Ionics 26, no. 2 (1988): 159. http://dx.doi.org/10.1016/0167-2738(88)90106-3.

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29

Choi, Ji Ung, and Ho Sung Lee. "Oxidation Behavior of Reheating Hot Work Die Steels." Applied Mechanics and Materials 249-250 (December 2012): 896–99. http://dx.doi.org/10.4028/www.scientific.net/amm.249-250.896.

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At hot working condition, forming tools must be durable at operating temperatures during continuous forming process and especially dimensional stability and corrosion resistant property are required. In this paper, oxidation behavior of several hot work die steels was studied at elevated temperature forming condition. It is shown that test specimens begin to form oxides at the surface during the initial heating period. Transient oxidation is observed during the initial stage of oxidation, in which the initial fast reaction rates may be related to local thermal instabilities such as fast nuclea

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Xin, Wenbin, Qingyang Meng, Jing Zhang, et al. "Effect of arsenic on the high temperature oxidation and hot shortness behaviour of copper-bearing steel." Metallurgical Research & Technology 119, no. 3 (2022): 313. http://dx.doi.org/10.1051/metal/2022034.

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To understand the disadvantages caused by As in Cu-bearing steels during hot working processes, high temperature oxidation and surface hot shortness characteristics were systematically investigated using thermogravimetry (TG), optical microscopy (OM), scanning electron microscopy (SEM) and Gleeble-3800 thermal/mechanical simulation system. Analyses of TG curves and the oxide scale morphologies showed that the oxidation kinetics for all steels obeyed the initial linear oxidation law and the later parabolic oxidation law at 950–1050 °C, while the kinetics presented two different stages of the li

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Badaruddin, Mohammad, and Sugiyanto Sugiyanto. "Hot Corrosion of Aluminized 1020 Steel with NaCl Deposit." Advanced Materials Research 789 (September 2013): 463–66. http://dx.doi.org/10.4028/www.scientific.net/amr.789.463.

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The oxidation of hot-dip aluminized AISI 1020 steel coated with NaCl in static air at 700°C for a duration of time 49 h was studied by employing thermogravimetry, Scanning Electron Microscopy (SEM), Electron Dispersive Spectroscopy (EDS) and X-ray Diffraction (XRD) analysis. It was found that NaCl deposits markedly accelerated the oxidation of the AISI 1020 steel. The aluminide coating on the bare steel gives the best oxidation protection by forming continuous alumina scale (Al2O3). The degradation of aluminide layer and alumina scale on the steel are associated by chloridation/oxidation cycli

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Hwang, Chii-Shyang, and Tien-Jui Liu. "Microstructure and mechanical properties of NiAl/Al2O3 composites." Journal of Materials Research 14, no. 1 (1999): 75–82. http://dx.doi.org/10.1557/jmr.1999.0013.

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To improve mechanical properties of NiAl, a method for making NiAl matrix composites containing oxide ceramics is introduced. The method involves oxidation of NiAl powder in air to form a thin and uniform oxide scale, mainly Al2O3, on the NiAl particles. The Al2O3 contents increase with increasing oxidation temperature. The NiAl/Al2O3 composites are then formed by hot-pressing the oxidized NiAl powder under vacuum atmosphere. Al2O3 inhibits the grain growth of NiAl during the hot-pressing. The residual stress and the Ni-rich NiAl composition exist in the hot-pressed NiAl/Al2O3 composites. Stre

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Zhang, Fu Quan, Mao Fang Huang, Mei Chen, Yong Zhou Wang, and Jian He Liao. "Thermal-Oxidation Degradation of Microwave Drying Nature Rubber." Advanced Materials Research 399-401 (November 2011): 1600–1603. http://dx.doi.org/10.4028/www.scientific.net/amr.399-401.1600.

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The effects of drying methods on thermal-oxidation degradation and ageing behavior of nature rubber (NR) was investigated using Fourier transform infrared/Attenuated total reflection (FTIR-ATR) and thermogravimetric analysis. Examining the samples of thermal-oxidation ageing for 24h by FTIR-ATR spectroscopy allowed appearance of obvious carboxyl absorption of hot-air drying NR at 1723cm-1, decay of methylene stretch and C=C plane stretch during thermal-oxidation ageing process, to be monitored. TG and DTG were used to determine thermal-oxidation degradation temperature in air atmosphere and ac

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Chen, Zehao, Shusuo Li, Mengmeng Wu, Yanling Pei, Shengkai Gong, and Heng Zhang. "Effects of Different Surface Native Pre-Oxides on the Hot Corrosion Properties of Nickel-Based Single Crystal Superalloys." Materials 13, no. 24 (2020): 5774. http://dx.doi.org/10.3390/ma13245774.

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A study is carried out on the effect of different surface native pre-oxides on hot corrosion of single crystal nickel-based superalloy at 900 °C. The effect of different oxides formed by different superalloys through pre-oxidation on hot corrosion is verified by normal hot corrosion and tube sealing experiments. The relationship between different surface oxides and the effect of different surface oxides layer on the hot corrosion properties of alloys are studied. In summary, the stable and dense surface pre-Al2O3 layer which can be obtained by pre-oxidation has an obvious positive effect on th

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35

Oliveira, Rodrigo Assunção, Ana Paula Rennó Sierra, Marino Benetti, et al. "Impact of Hot Environment on Fluid and Electrolyte Imbalance, Renal Damage, Hemolysis, and Immune Activation Postmarathon." Oxidative Medicine and Cellular Longevity 2017 (2017): 1–11. http://dx.doi.org/10.1155/2017/9824192.

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Previous studies have demonstrated the physiological changes induced by exercise exposure in hot environments. We investigated the hematological and oxidative changes and tissue damage induced by marathon race in different thermal conditions. Twenty-six male runners completed the São Paulo International Marathon both in hot environment (HE) and in temperate environment (TE). Blood and urine samples were collected 1 day before, immediately after, 1 day after, and 3 days after the marathon to analyze the hematological parameters, electrolytes, markers of tissue damage, and oxidative status. In b

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Tong, Xu Guang, Jian Bao Li, Hong Lin, Xiao Zhan Yang, and Jun Yang. "Oxidation Behavior and Mechanical Property of Si₃N₄ Ceramics with Rare Earth Oxide Addition." Key Engineering Materials 336-338 (April 2007): 2478–80. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.2478.

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The effects of rare earth oxides (Lu2O3 and La2O3) on the property, microstructure and oxidation behavior of hot-pressing sintered Si3N4 ceramics were investigated. The silicon nitride ceramics with Lu2O3 and La2O3 as addition have been fabricated by hot-pressed at 1800°C for 1h under a pressure of 25MPa. Oxidation test was carried out at 1400°C in air for 100 hours. Mechanical properties, SEM and XRD were measured before and after oxidation. The results showed that Si3N4 ceramics doped Lu2O3 had good microstructure and mechanical properties than those doped La2O3. Oxidation test showed a para

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Yang, Wen Hui, Gao Feng Tian, De Lin Liu, and Ren De Mu. "Effect of Co and Al Contents on Hot Corrosion Resistance of Powder Metallurgy Aeroengine Disk Superalloys." Materials Science Forum 1072 (October 25, 2022): 119–28. http://dx.doi.org/10.4028/p-00tbhr.

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Hot corrosion behavior of a powder metallurgy superalloy (Alloy 1) in molten 95% Na2SO4+5%NaCl salts at 800 °C are investigated with average corrosion rate calculation, X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy spectrum analyzer (EDS). Meanwhile, the hot corrosion tests of Alloy 2 at 800°C were also carried out for comparison. Experimental results show that the corrosion layers obtained after 100h of hot corrosion were mainly composed of Cr2O3, Al2O3 , NiO , Ni3S2 , NiCr2O4 and Cr2S3 at 800 °C. The cross-sectional morphologies and corresponding elemental maps indi

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Tankala, K., T. DebRoy, and M. Alam. "Oxidation of diamond films synthesized by hot filament assisted chemical vapor deposition." Journal of Materials Research 5, no. 11 (1990): 2483–89. http://dx.doi.org/10.1557/jmr.1990.2483.

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Oxidation of polycrystalline diamond films on (111) Si wafers in air at temperatures up to 1073 K was investigated by thermogravimetry. The diamond films before and after partial oxidation were characterized by optical and scanning electron microscopy, x-ray, infrared, and Raman spectroscopy. The oxidation of synthetic diamond films started at a lower temperature than that for natural diamond. The rates of oxidation of the diamond films synthesized by the hot filament and the microwave plasma methods were intermediate between the rates of oxidation of the 111 and 100 planes of natural diamond

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Chen, Lian. "Utilization of Steelmaking and Hot-Rolling Mill Waste." Applied Mechanics and Materials 260-261 (December 2012): 627–30. http://dx.doi.org/10.4028/www.scientific.net/amm.260-261.627.

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Based on the composition and characteristics of steelmaking dry-dedusting dust and oxide scale in hot-rolling mill, cold briquetting ores were processed by dust and oxide scale, and applied to converter vanadium recover. The research results show that, hot metal carbon oxidation rate and vanadium oxidation rate increased with the increased use of cold briquetting ores, and the TFe content of vanadium slag reduced, the consumption of iron and steel materials decreased. Not only can effectively use the steelmaking mill and hot-rolling mill waste, but also can improve the product quality of the c

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Chan, K. S., N. S. Cheruvu, and G. R. Leverant. "Coating Life Prediction Under Cyclic Oxidation Conditions." Journal of Engineering for Gas Turbines and Power 120, no. 3 (1998): 609–14. http://dx.doi.org/10.1115/1.2818189.

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The hot gas path section components of land based turbines require materials with superior mechanical properties and good hot corrosion and oxidation resistance. These components are generally coated with either a diffusion coating (aluminide or platinum aluminide) or with an overlay coating (MCrAlY) to provide additional hot corrosion and/or oxidation protection. These coatings degrade due to inward and outward diffusion of elements during service. Outward diffusion of aluminum results in formation of a protective oxide layer on the surface. When the protective oxide spalls, Aluminum in the c

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Niu, Zong Wei, Zhi Yong Li, F. F. Wang, Jia You Zhang, and Ai Hong Wang. "Study on the Green Remanufacturing of Ultrasonic Vibration Aided Hot-Dip Aluminizing and Micro Arc Oxidation." Advanced Materials Research 139-141 (October 2010): 394–97. http://dx.doi.org/10.4028/www.scientific.net/amr.139-141.394.

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In this paper alumina ceramic layer on worn stainless steel work piece was gotten using ultrasonic vibration aided hot-dip aluminizing and micro arc oxidation to realize green remanufacturing. Aluminum layer was gotten on the surface of stainless steel work piece using ultrasonic vibration aided hot-dip aluminizing method. The action mechanism of the hot-dip aluminizing process and the influence of ultrasonic vibration to hot-dip aluminizing process were studied and the best process parameters were achieved. Alumina ceramic layer of high hardness and wear resistance was achieved using micro ar

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Chen, Ken, Jiewei Lin, Wenfang Li, et al. "Improved Oxidation and Hot Corrosion Resistance of 1Cr11Ni2W2MoV Stainless Steel at 650 °C by a Novel Glass-Ceramic Coating." Crystals 11, no. 10 (2021): 1213. http://dx.doi.org/10.3390/cryst11101213.

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A novel glass-ceramic coating was applied onto the 1Cr11Ni2W2MoV stainless steel. The oxidation and corrosion behaviors of coated and uncoated steels were comparatively investigated in air and in the presence of NaCl + Na2SO4 eutectic deposits at 650 °C, respectively. Protective scales formed on the surface of stainless steel prevented the severe oxidation of the alloy. Catastrophic hot corrosion occurred on the steel when a salt film was attached, producing loose iron oxide layers and internal corrosion zone. The glass-ceramic coating acted as a barrier that effectively hindered the invasion

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Xiong, Ziliu, Zhangguo Lin, Jianjun Qi, et al. "Research on high-temperature oxidation resistance, hot forming ability, and microstructure of Al–Si–Cu coating for 22MnB5 steel." High Temperature Materials and Processes 40, no. 1 (2021): 397–409. http://dx.doi.org/10.1515/htmp-2021-0040.

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Abstract High-temperature oxidation resistance, hot formability, element distribution, and microstructure of Al-10% Si-(0.5–3.0%)Cu coating were investigated by means of glow discharge spectroscopy, optical microscope, scanning electron microscope, and energy-dispersive spectroscopy. Results show that the addition of Cu can increase high-temperature oxidation resistance above 950°C and improve hot formability so that no crack spreads into substrate steel as hot forming at 33.3% strain. Oxidation film structure is continual and compacting, and Si highly concentrates in the surface layer. The di

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Xiong, Zi Liu, Hong Qiang Liu, Xue Hui Wang, Yi Cui, Jie Xue, and Jian Ying Li. "Research on Elements Distribution in Hot Dip Aluminum Silicon Coating of Hot Stamping Steel." Advanced Materials Research 1063 (December 2014): 73–77. http://dx.doi.org/10.4028/www.scientific.net/amr.1063.73.

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Al-Si coating in different hot dip process conditions were made by a hot-dip galvanizing simulator, and distribution regularities of chemical elements in coating were studied by means of GDS, SEM, EDS and XRD. The results show that the hot dip temperature has no obvious impact on elements distribution in coating, but has some impact on Si content in surface coating. The hot dip time has no obvious impact on surface coating element content, but has distinct impact on deep coating element content. With the hot dip time increasing, Al content decreases, Fe content increases, and Si content decrea

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LEE, DONG BOK, JUNHEE HAHN, and MUHAMMAD ALI ABRO. "HIGH-TEMPERATURE OXIDATION OF HOT-DIP ALUMINIZED P23 STEEL." Surface Review and Letters 27, no. 05 (2019): 1950153. http://dx.doi.org/10.1142/s0218625x19501531.

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ASTM P23 steel (Fe-2.25Cr-1.6W-0.1Mo in wt.%) was hot-dip aluminized and oxidized at 800∘C and 1000∘C for 20 h in air in order to determine the effect of aluminizing on the microstructure, hardness, and oxidation resistance of P23 steel. Aluminizing effectively increased the oxidation resistance of P23 steel by forming protective [Formula: see text]-Al2O3 scales. During oxidation, outward diffusion of substrate elements and inward transport of Al and oxygen occurred simultaneously. The oxidation and interdiffusion formed voids in the coating, lowered the microhardness, and transformed the orig

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Tian, Ting Yan, Chang Ling Zhou, Feng Sun, Zhi Qiang Cheng, Chong Hai Wang, and Yu Jun Zhang. "Oxidation Kinetics of ZrB₂-SiC Composites." Key Engineering Materials 368-372 (February 2008): 1750–52. http://dx.doi.org/10.4028/www.scientific.net/kem.368-372.1750.

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An oxidation kinetics model of hot-pressed ZrB2-SiC composites was established and then proved by experiments. The relationship between oxidation rate and temperature was attained by reaction activation energy and frequency factor at the different oxidation stages. Results showed that the relations between the oxidation gain of unit area and the oxidation time are linear, conic and parabolic, respectively, during the stage of the oxidation prophase, midterm and anaphase.

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Boltersdorf, Jonathan, Gregory Forcherio, Asher Leff, et al. "Photoelectrochemical Hydrocarbon Oxidation Augmented By Plasmonic Nanostructures." ECS Meeting Abstracts MA2022-01, no. 50 (2022): 2113. http://dx.doi.org/10.1149/ma2022-01502113mtgabs.

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Solar energy can be absorbed via surface plasmon resonance (SPR) to promote excitation of energetic, or “hot”, charge carriers that can be locally transferred or thermally dissipated to augment photocatalytic processes. The “hot” carriers can selectively drive energy-intensive photoelectrochemical reactions at low temperatures by activating adsorbed reactants and accelerating surface kinetics. Plasmonically-sensitized nanocatalysts were investigated for their photocatalytic and photoelectrochemical oxidation of ethanol, with an emphasis on carbon-carbon bond cleavage, under solar simulated-lig

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Zhu, Peitao, Ziwen Dong, Zhenya Zhang, et al. "Experimental investigation into the mechanism of secondary oxidation of coal under hot air flow erosion." RSC Advances 15, no. 26 (2025): 20781–91. https://doi.org/10.1039/d5ra02948a.

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A temperature-programmed experiment device on secondary oxidation was conducted to investigate the characteristics of coal's secondary oxidation under the influence of hot air flow with varying flow rates and temperatures.

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Lou, Jin, and Cheng Xiang Ruan. "Cyclic Oxidation Resistance of Hot-Dipping Aluminized GH169." Advanced Materials Research 1061-1062 (December 2014): 436–40. http://dx.doi.org/10.4028/www.scientific.net/amr.1061-1062.436.

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GH169 superalloy steel was coated by hot-dipping in a molten aluminum bath, and then diffusing annealing at 950 °C for 2h. The cyclic oxidation behaviors of the hot-dipped aluminized steel and GH169 were tested at 900 °C for 24 cycles using resistance furnace. Morphology of surface and cross-section, element distribution of the oxide scale were characterized by SEM and EDS. The results showed that protective Cr2O3 and Al2O3 oxide scales were formed on GH169 and aluminized steel after 24 cycles, respectively. The inner oxidation was found on GH169 after 24 cycles. It was composed of surface Al2

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NAKAMURA, Hiroshi, Seiki UMEBAYASHI, and Kazushi KISHI. "Oxidation Behavior of Hot-Pressed Si3N4-SiC Composites." Journal of the Ceramic Society of Japan 98, no. 1134 (1990): 208–11. http://dx.doi.org/10.2109/jcersj.98.208.

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