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Article ID: 1003-6326(2005)02-0371-04 Infiltration kinetics of pressureless infiltration in SiCp/Al composites QIN Zhen-kai(秦振凯), YU Jia-kang(于家康), ZHANG Xiao-yu(张小宇) ( State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi′an 710072, China) Abstract: The pressureless infiltration kinetics was investigated by plotting the infiltration distance......
-silicon alloy；reaction mechanism；kinetics equation 关于碳热共同还原氧化铝,氧化硅制取铝硅合金的反应机理,国内外学者提出了各种不尽相同的观点:邱竹贤[1]认为还原过程中首先生成单质硅,而后硅在高温下作为还原剂还原氧化铝生成铝硅合金,即硅热还原学说: Al2O3 + 3Si = 2Al+3SiO(g) .../mol,给出了各个吸热峰的动力学方程.同时,利用XRF和红外定硫定碳仪对碳管炉和电炉所得产物组成的定量分析,验证了动力学分析结果的可行性. 关键词:碳热还原；差热分析；铝硅合金；反应机理；动力学方程 中图分类号:TF655.3.2 文献标志码:A Reaction mechanism and kinetics of preparation......
Fusion Equation of Metals洪永炎摘 要:<正> An expression of initial slope of meltingcurve of pure metals was obtained as follows:(dTm/dP)o=Tmo/c, where c... forthirty-one metals agree well with experiments.It has also been proved that by using the freeelectron model of melting, the fusion equationof metals is Simon equation (Tm/Tmo)q=1+(p/d).Two parameters q......
Article ID: 1003-6326(2005)03-0697-05 Kinetics of oxidative leaching of ocean polymetallic nodules in molten potassium hydroxide medium WANG Yun-shan(王云山), LI Zuo-hu(李佐虎), LI Hao-ran(李浩然) (National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China) Abstract: The kinetics of oxidative leaching of ocean......
Influence of amorphous degree on crystallization kinetics of Zr60Al15Ni25 bulk metallic glass MA Qiang, YAN Zhi-jie, HAO Wei-Xin, HU Yong School of Materials Science and Engineering, Taiyuan... diffraction method. Furthermore, the amorphous degree shows a close correlation with the microstructure of corresponding mother ingot. The crystallization kinetics was investigated by differential scanning......
J. Cent. South Univ. (2016) 23: 1007-1014 DOI: 10.1007/s11771-016-3149-2 Dynamic recrystallization behavior and kinetics of high strength steel WU Guang-liang(吴光亮), ZHOU Chao-yang(周超洋), LIU Xin-bin.... The dynamic recrystallization volume fraction decreases with increasing strain rate at a constant temperature or decreasing deformation temperature under a constant strain rate. The kinetics of DRX increases......
Non-isothermal Crystallization Kinetics of Polyamide 6/Diaminemodified MWNTs NanocompositeHong Meng, Guoxin Sui, Guangyou Xie and Rui Yang Institute of Metal Research, Chinese Academy of Sciences, Shenyang 110016, China摘 要:The non-isothermal crystallization kinetics of polyamide 6/diamine-modified multi-walled carbon nanotube (PA6/D-MWNT) nanocomposite......
Formation kinetics of austenite in pearlitic ductile ironPayam Abdollahi,Alborz Amirsadeghi,Shahram Kheirandish,Shamsoddin MirdamadiDepartment of Materials Science and Engineering,Iran University... the isothermal phase diagram of austenitization in the ductile iron. Austenite forms at grain boundaries and then grows up to graphite regions during austenitiza-tion. The formation kinetics......
of kinetic parameters. JENA et al [13] studied the transformation mechanism of the precipitation and dissolution reaction in Al-Li-Cu alloy through the DSC method. They established the kinetics equation... transformation with nucleation and growth stages, the kinetics model is mainly based on Avrami equation. Johnson-Mehl-Avrami model can be applied to characterizing a constant heating rate of non......
