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EFFECT OF VACUUM HEAT TREATMENT ON OXIDATION BEHAVIOR OF SPUTTERED NiCrA1Y COATING M.H.Li1,X.F.Sun1,Z.Q.Hu1,Z.Y.Zhang1,W.Y.Hu2,H.R.Guan1 (1.Institute of Metal Research, The Chinese Academy..., is subjected to vac-uum heat treatment in order to remove internal stress before ceramic top coat is de-posited. The effect of vacuum heat treatment on the oxidation behavior of the sputteredNiCrAlY coating......
Influence of Heat Treatment on the Bond Coat Cyclic Oxidation Behaviour in an Air-plasma-sprayed Thermal Barrier Coating System P.C. Patnaik1,B.R. Marple2,W.R. Chen1,X. Wu1 (1.Structures, Materials... coating and CoNiCrAlY bond coat, which would promote crack initiation and lead to premature TBC failure. A heat treatment in a low-pressure condition was applied to the as-sprayed TBC system, with the aim......
Isothermal oxidation behavior of Ti3Al-based alloy at 700-1 000 ℃ in air QIAN Yu-hai(钱余海)1, 2, LI Mei-shuan(李美栓)2, LU Bin(卢 斌)2 1. R & D Center, Baoshan Iron & Steel Co...; Abstract: The isothermal oxidation behavior of a Ti3Al-based alloy (Ti-24Al-14Nb-3V-0.5Mo-0.3Si, molar fraction, %) at 700- 1 000 ℃ in air was investigated. The oxidation kinetics......
the process of heat treatment was measured by TG analysis. Phase transformation and microstructure changes of these specimens due to oxidation were investigated with X-ray diffraction (XRD), SEM and EDX... of dense cristobalite film. Large amount of needle-like mullite and alumina crystals are formed on the surface after oxidation at 1400 ℃. Key words:nanocomposites; surface; oxidation; heat treatment......
High-temperature oxidation behavior of CeO2-SiO2/Ni-W-P composites XU Rui-dong(徐瑞东)1, WANG Jun-li(王军丽)2, GUO Zhong-cheng(郭忠诚)1, WANG Hua(王 华)1 1. Faculty of Metallurgy and Energy...-temperature oxidation behavior was investigated. The results show that when the oxidation time is controlled in 1 h, oxidation kinetics curve between oxidation mass gain rate and oxidation temperature......
Effect of rare earth Y on oxidation behavior of NiAl-Al2O3XU Gui-hua, WANG Guo-feng, ZHANG Kai-feng(National Key Laboratory of Precision Heat Processing of Metal, Harbin Institute of Technology... carried out at 1 000 °C in order to investigate the influence of Y on the oxidation behaviors of NiAl-Al2O3. The results indicate that the addition of Y does not change the oxidation product......
Effect of Ca and Y additions on oxidation behavior of AZ91 alloy at elevated temperatures CHENG Su-ling(程素玲), YANG Gen-cang(杨根仓), FAN Jian-feng(樊建锋), LI You-jie(李佑杰), ZHOU Yao-he(周尧和... magnesium alloy, the effect of alloying elements, Ca and Y, on the oxidation behavior of AZ91 magnesium alloy at elevated temperatures was investigated. The ignition-proof performance, oxide products......
of completely crystallized Fe3O4 in the natural magnetite, which was transferred to Fe2O3 after oxidation during the roasting process, resulting in a large amount of heat released [11]. Fig. 8 Pellet... strength of pellet, because it enhanced the diffusion among particles, also promoted the further oxidation of magnetite and more heat releasing. More reactive Fe2O3 generated is beneficial......
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Effect of rare earths on oxidation resistance of heat resistant steel王龙妹1,杜晓健1,干勇1,刘浏1,叶晓宁2,蒋来珠21. Central Iron and Steel Research Institute2. Stainless Steel Branch,Baoshan Iron & Steel Co.,Ltd.摘 要... and resulted in that the high temperature oxidation rate of RE heat resistant steel was decreased.关键词:......