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, composition and spatial distribution of the oxidation products. 3 RESULTS 3.1 Oxidation kinetics The kinetic curves for the oxidation of the present Cu-25Ni-30Cr alloy and the previous Cu-20Ni-20Cr alloy in 0.1MPa pure O2 at 700-800℃ for 24h are shown in Fig.2. For the present Cu-25Ni-30Cr alloy, the oxidation kinetics at 700℃ can be approximately described as three main quasi-parabolic......
superalloy TMS-82+ was studied under cyclic condition at 900 and 1 000 ℃ for 200 h in air. The oxidation kinetics for the superalloy at both exposure temperatures was explained... appear in the oxidation kinetics and the first one is controlled by NiO growth and the second by α-Al2O3 growth in the scale. However, most results are conflicting, especially on the oxidation kinetics......
(EDX). 3 Results and discussion 3.1 Oxidation kinetics The kinetic curve and the corresponding parabolic plot for the oxidation of individual Fe40Al-xWC coatings at 650 ℃ are shown in Figs.1.... the square root of time, are reported in Table 2. Fig.1 Oxidation kinetics of Fe40Al-xWC (x=0, 10, 12, 15) coatings under 0.1 MPa O2 at 650 ℃: (a) Normal plots; (b) Parabolic plots Table 2......
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:铬铁矿；铬酸钠；氧化焙烧；动力学 中图分类号:TF111 文献标志码:A Kinetics of chromite ore in oxidation roasting process LI Xiao-bin, QI Tian-gui, PENG Zhi-hong, LIU Gui-hua, ZHOU Qiu-sheng (School... low oxidation rate which impact the chromate production efficiency and chromium recovery rate seriously. To intensify the oxidation roasting process of chromite ore, the oxidation kinetics and its......
of carbon paper as negative electrode for VRB. Key words: vanadium redox battery; carbon paper; negative electrode; anodic oxidation; electrochemical kinetics Cite this article as: HOU Bing-xue, CUI Xu... battery by anodic oxidation HOU Bing-xue(侯冰雪)1, 2, CUI Xu-mei(崔旭梅)2, ZHANG Qi(张祺)3, CHEN Yun-gui(陈云贵)1 1. Department of Advanced Energy Materials, College of Materials Science and Engineering,Sichuan......
J. Cent. South Univ. (2017) 24: 773-781 DOI: 10.1007/s11771-017-3479-8 Gaseous hydrogen storage thermodynamics and kinetics of RE–Mg–Ni-based alloys prepared by mechanical milling ZHANG Yang-huan(张羊... in the Ni content has a slight effect on the thermodynamic properties of the alloys, but it significantly improves their absorption and desorption kinetics performances. Furthermore, varying milling time......
, HUANG Ji-wu, ZHANG Bao-sheng
(School of Material Science and Engineering, Central South University,Changsha 410083, China)
Abstract: The oxidation kinetics of Ni76Cr19AlTi superalloy in air from....
Key words: Ni76Cr19AlTi superalloy; nickel-based superalloy; high temperature oxidation; oxidation kinetics
间延长,氧化质量增加逐渐趋于缓慢,最后出现相对平稳阶段. 图1 GH4282合金在不同温度下的氧化动力学曲线 Fig. 1 Oxidation kinetics curves of superalloy GH4282 at different temperatures 以往研究结果表明[12-13],合金氧化过程中的氧化质量增加随氧化时间变化的氧化动力学可以近似表示为式.... The oxidation kinetics of cast Ni-base superalloy K35[J]. Journal of Northeastern University(Natural Science), 2003, 24(1): 75-78. [15] YASHWANTH I V S, GURRAPPA I, MURAKAMI H. Oxidation behaviour......新型镍基高温合金GH4282的高温氧化行为
来源： 《中国有色金属学报2019年第12期》——石照夏 颜晓峰 段春华
of the coating was almost 20 mm. The coating was annealed at 900 ℃ for 2 h. Thermal gravimetric analysis (TGA) was conducted for the characterization of oxidation kinetics by measuring continuous mass changes... of surface finish on oxidation behavior on Ti-48Al-8Cr-2Ag alloy The TGA measurement of Fig.1 shows the influence of surface finish on the oxidation behavior of the Ti-48Al-8Cr-2Ag alloy. The kinetics......
