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; 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... resistance; Ti3Al-based intermetallic alloy; oxidation kinetics  ......
Thermal stability and curing kinetics of polycarbosilane fibers ZHENG Chun-man (郑春满), LI Xiao-dong (李效东), WANG Hao (王 浩), ZHU Bin(朱 冰) (State Key Laboratory of New Ceramic Fibers and composites...; Abstract: Thermal stability and curing kinetics of polycarbosilane (PCS) fibers were studied by thermogravimetry (TG), Fourier transform infrared spectroscopy(FT-IR). Curing......
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. The scales on the surface were determined by SEM and EPMA equipped with an EDXS. The results show that oxidation kinetics obey the parabolic law from which the values of activation energy Qp1=221.1 kJ..., and precipitate of internal oxides A12O3. Key words: K44 superalloy; high temperature oxidation; oxidation kinetics 1 Introduction In comparison with advanced aircraft engine, the work environment of gas......
and oxidation kinetics of Ca- and Y-containing AZ91 alloys were studied. The results indicate that the proper addition of Ca can increase the ignition point of AZ91 alloy greatly. However, the oxide film... to the formation of composite oxide film composed of MgO, CaO and Y2O3. ⊙ Key words: AZ91 alloy; calcium; yttrium; oxidation resistance; oxidation kinetics  ......
识码:A Oxidation kinetics of NiCoCrAlYTa coating by low pressure plasma spraying ZHOU Ke-song1, LIANG Xing-hua1, 2, LIU Min1, DENG Chang-guang1 (1. Material Surface Center, Guangzhou Research... on Ni-based single crystal super-alloys by low pressure plasma spraying (LPPS). Oxidation kinetics of the coating oxidated for 200 h at three different temperatures was investigated. The results show......
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-phase alloy with large amount of Nb precipitates. On the basis of thermodynamics and kinetics of oxidation, the effect of Nb alloying element on the oxidation behavior of NiTi-based alloys was discussed. Key words: NiTi; NiTiNb; high-temperature oxidation; kinetics 1 Introduction NiTi based intermetallics are attractive functional materials because of their mechanical properties, good corrosion......
Isothermal Oxidation Kinetics of Artificial Magnetite Pellets张汉泉1,FU Jintao2,潘建3,张峰3,GUO Zhengqi31. School of Xingfa Mining Engineering, Wuhan Institute of Technology2. Western Mining Company3. School of Minerals Processing and Bioengineering, Central South University摘 要:In order to establish the kinetics of oxidation of artificial magnetite pellets, we......