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Trans. Nonferrous Met. Soc. China 29(2019) 526-533 Isothermal oxidation behavior of TiAl intermetallics with different oxygen contents Kun ZHAO1, Si-hui OUYANG1, Yong LIU1, Bin LIU1, Xiao-peng LIANG2..., Changsha 410083, China; 3. Department of Modern Mechanics, University of Science & Technology of China, Hefei 230027, China Received 5 February 2018; accepted 7 May 2018 Abstract: Isothermal oxidation......
Trans. Nonferrous Met. Soc. China 23(2013) 2113-2117 SiC-MoSi2/ZrO2-MoSi2 coating to protect C/C composites against oxidation Qian-gang FU, Jia-ping ZHANG, Zheng-zhong ZHANG, He-jun LI, Can SUN C/C... Abstract: To improve the oxidation resistance of carbon/carbon (C/C) composites in air at high temperatures, a SiC- MoSi2/ZrO2-MoSi2 coating was prepared on the surface of C/C composites by pack cementation......
and micro-hardness testing were employed to investigate the coatings before and after oxidation tests. Nickel-aluminides produced by two stage; plating-aluminizing, treatment with NiAl on the surface...The Effect of NiAl Coatings on Oxidation Behavior of AISI 403 Stainless Steel M. Ebrahimian1,F.Ashrafizadeh2 (1.Iranian Surface Research & Engineering Centre, Isfahan Science & Technology Town......
High-temperature tribological behaviors of Ti2AlNb-based alloys by plasma surface duplex treatment WU Hong-yan(吴红艳)1, ZHANG Ping-ze(张平则)2, CHEN Wei(陈 伟)3, WANG Ling2(王 玲)1, ZHAO Hao...; Abstract: Plasma tungstening followed by carburization (W-C duplex treatment) was performed on the Ti2AlNb-based (O phase) alloy by using the double glow plasma process to enhance its wear resistance......
Trans. Nonferrous Met. Soc. China 22(2012) 510-515 Effect of Re element on oxidation resistance of Ni3Al-Mo based alloys at 1150 ℃ CHENG Yang, ZHANG Heng, SONG Li-wen, MA Yue, LI Shu-suo, GONG Sheng... oxidation behaviors of three kinds of Ni3Al-Mo based alloys at 1150 °C were studied. The morphology, structure and element distribution of oxide scales of the alloys were researched by scanning......
and degraded. Oxidation parameters such as treatment time, current density and initial pH of the wastewater were systematically discussed and optimized. The mineralization of organic compounds is improved... oxidation has considerable potential in electroplating wastewater treatment. Key words: magnetic field; electrocatalytic oxidation; electroplating wastewater 1 Introduction The rapid development......
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and stratification during the thermal oxidation treatment were analyzed. The results show that the roughnesses of hardened layer increase and the oxide particles grow up continually with the increase...:A Thermal oxidation behavior of commercial purity titanium at high temperature LI Xu1, 4, PENG Xiao-yan1, 4, DUAN Yu-lu1, 4, ZHANG Lü-guo2, ZHAO Yi-rong2, WANG Xue-wen3, XU Guo-fu1, 4 (1. School of Materials......
of treating municipal waste water including phenol was investigated with the combination of short-term and long-term tests. The results show that the ammonia oxidation rate decreases gradually with the increase of concentration of phenol (0-175 mg/L), with the specific substrate ulitization rates ranging of 2.898-0.694 d-1.The average ammonia oxidation rate is 4.091 mg/(g·h) in pre-denitrification......
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... between oxidation mass gain and time of superalloy GH4282 at different temperatures 表1 不同试验温度下GH4282合金的氧化抛物线速率常数(kp) Table 1 Oxidation parabolic constant (kp) of superalloy GH4282......