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Rietveld refinement, microstructure and high-temperature oxidation characteristics of low-density high manganese steelsZhenyi Huang1,2,Yueshang Jiang1,2,Along Hou1,2,Ping Wang1,2,3,Qi Shi2,3,Qingyu...)in Mn28Al10 was far greater than that in Mn28Al8 and Mn20Al10.The oxidation kinetics of forged steels oxidized at 1323 K for 5–25 h had two-stage parabolic rate laws;and the oxidation rate of the first......
Study on High Rate Discharge Performance and Mechanism of AB5 Type Hydrogen Storage Alloys 于军1,郭靖洪2,杨柯2,刘国忠1,陈德敏2,张建海1 (1.Suppo Battery Co.,Ltd.,Shenyang 110015,China;2.Institute of Metal Research,Chinese Academy of Sciences,Shenyang 110015,China) Abstract:The effects of surface treatment, particle size distribution,rare earth composition and B additive on the high rate discharge performance......
J. Cent. South Univ. Technol. (2008) 15(s1): 447-452 DOI: 10.1007/s11771-008-397-9 Mechanical model for yield strength of nanocrystalline materials under high strain rate loading ZHU Rong-tao(朱... and Engineering, Nanjing University of Technology, Nanjing 210009, China) Abstract: To understand the high strain rate deformation mechanism and determine the grain size, strain rate and porosity dependent......
. Disintegration in high-grade titania slags: Low temperature oxidation reactions of ferro-pseudobrookite [J]. Mineral Processing and Extractive Metallurgy, 2004, 113(8): 66-74. [4] WANG Ming-yu, LI...] PISTORIUS P C, MOTLHAMME T. Oxidation of high-titanium slags in the presence of water vapour [J]. Minerals Engineering, 2006, 19(3): 232-236. [9] LI Wei, PENG Jin-hui, ZHANG Li-bo, ZHANG Ze-biao, LI Lei......
-based catalyst at high temperature. Moreover, hydrogen yield and thermal efficiency are improved and change slightly when flow rate increases. When catalyst is 12 g, and flow rate increases from 35 mL...Hydrogen production from partial oxidation of dimethyl ether by plasma-catalyst reformingSONG Ling-jun(宋凌珺)1, LI Xing-hu(李兴虎) (School of Transportation Science and Engineering, Beihang University......
formed on the TiAl surface is not a continuous Al2O3 layer but a mixed scale of Al2O3 and TiO2 at elevated temperature, which is non-protective and exhibits a high oxidation rate[1]. Therefore... and Ti2O3 obviously improve the wear resistance of TiAl alloy. The wear rate is -3.27×10-7 g/(N?m). Key words: TiAl alloy; micro-arc oxidation coating; additive; corrosion resistance; wear resistance 1......
of producing large dimensional structures layer by layer at a high build rate and minimum waste of raw material [9]. In the WAAM process, wire is fed at a controlled rate into an electric arc and is melted..., FELLOWES J W, MARTINA F, DAVIS A E, PRANGNELL P B. On the origin of microstructural banding in Ti-6Al4V wire-arc based high deposition rate additive manufacturing [J]. Acta Materialia, 2019, 166: 306-323......
130022, China) Abstract:The oxidation behavior of Al2O3-30%TiCN-0.2%Y2O3 composite and its effect on high temperature bending strength was studied. The result indicates that the mass gain during...Oxidation of Al2O3-30%TiCN-0.2%Y2O3 Composite Yan Changhao1,Li Xikun2,Xiu Zhimeng3,SUN Xudong3,QIU Guanming1,Dai Shaojun1 (1.Nanjing University of Technoloy, Nanjing 210009, China;2.Shenyang......
. So the high temperature oxidation mass loss rate can reflect the high temperature oxidation resistance of the weld metal. Fig.1 shows the oxidation mass loss rate versus time of the eight... and prevent Cr3+ to diffusion outward, thus slow down the oxidation rate. La can also exist in the same form to attach the film to the base metal and decrease the detaching rate of film during high temperature......
Effect of Cerium on Microstructures and High Temperature Oxidation Resistance of An Nb-Si System In-Situ Composite Han Yafang1,Li Shusuo1,Liu Aiqin1,Sun Lu1 (1.School of Materials Science... energy disperse spectrum (EDS), as well as X-ray diffraction (XRD). The experimental results showed that the high temperature oxidation resistance of the alloy was improved by adding a proper amount......
