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temperatures for primary phase and peritectic transformation are respectively 1042 ℃ and 957 ℃ in near-equilibrium solidification,which are smaller than the values from equilibrium phase diagram. Due... rate; non-equilibrium solidification; phase selection; peritectic transformation......
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×10-6/℃) of the BZN ceramics. And these BZN ceramics with diphasic pyrochlore structure possess excellent dielectric properties. Key words: Bi2O3-ZnO-Nb2O5 ceramic; phase transformation; dielectric... containing bismuth with composition corresponding to (Bi3xZn2-3x)(ZnxNb2-x)O7 system. The effects of adding the surface active agent and the effects of anatase TiO2 doping on the phase composition......
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Phase transition of lithiated-spinel Li2Mn2O4 at high temperature TANG Xin-cun(唐新村)1, 2, HUANG Bai-yun(黄伯云)2, HE Yue-hui(贺跃辉)2 1. School of Chemistry and Chemical Engineering, Central South...; Abstract: The phase transition of Li2Mn2O4 spinel at high temperature was investigated by XRD, TG/DTA, average oxidation state of Mn and cyclic voltammeric techniques......
MULTI-PEAK MATCH INTENSITY RATIO METHOD OF QUANTITATIVE X-RAY DIFFRACTION PHASE ANALYSIS G.Chu1,H.J.You1,Y.F.Cong1 (1.Research Center of Analysis and Test, Liaoning University of Petroleum & Chemical Technology, Fushun 113001, China) Abstract:A new method for quantitative phase analysis is proposed by using X-ray diffraction multi-peak match intensity ratio. This method can obtain the multi......
leads to more residual β phase at room temperature. According to the non-equilibrium phase diagram of the Ti-β isomorphic elements, a higher content of stabilizing β-phase elements corresponds...Trans. Nonferrous Met. Soc. China 25(2015) 2901-2911 In situ study of phase transformations in Ti-6Al-4V-xH alloys Ying-ying ZONG1, Shu-hui HUANG2, Bin GUO1, De-bin SHAN1 1. National Key Laboratory......
these phases are in good agreement with the Ti-Zr[9], Ag-Ti[13] and Ag-Zr[13] binary phase diagrams. No ternary compound is found. Table 1 Equilibrium data determined by EPMA in Ag-Ti-Zr system at 1 023 K..., the isothermal section of the Ag-Ti-Zr system at 1 023 K was established by connecting the boundary lines of different equilibrium phase regions, as shown in Fig.3. there are 7 single-phase, 10 two-phase and 4......
mainly influences the size, number and distribution of the dispersoid. Knowledge of phase equilibrium in the Al-Zn-Zr ternary system is useful to fully understand the effect of Zr..., their diffusion paths are indicated in Fig. 2. Each of them has the analogical diffusion path as the DC Zr64Al36/Zn. The ternary compound T phase is in equilibrium with all the Al-Zr compounds at 800 °C......
; Abstract: Phase pure nanoanatase was prepared by sol-hydrolysis of TiCl4 in ammonium sulfate... the phase transformation, the microstrain determines the rates of anatase growth and its transformation. Key words: nanoanatase; in situ XRD; phase transformation; size distribution; microstrain ......
