Fe-V-O体系化合物热力学数据估算
首发时间:2018-10-18
摘要:随着冶金、材料、化工等科学领域研究的深入,热力学数据需求日益增加,导致对尚未测量的热力学数据的增加。由于Fe-V-O体系中包含大量的变价化合物,导致化合物合成的过程非常艰难,其次热分析实验是非常耗时的,所以其体系热力学性质的研究尤为困难。本文主要介绍运用一些常用的估算氧化物的热力学方法来估算Fe-V-O体系化合物的热力学数据(如:生成焓,熵以及热容)。通过这些估算数据,可以及时填补、验证科研过程中需要的数据,为之后的Fe-V-O体系化合物热力学性质研究打下基础。
关键词: Fe-V-O体系氧化物 生成焓 熵 热容
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Estimation of thermodynamic data for Fe-V-O system compounds
Abstract:As the deepening of research in the scientific fields, such as metallurgy, materials and chemical industry, the demand for thermodynamic data is more significant, leading to the unmeasured thermodynamic data change more and more urgent. With the Fe-V-O system contains a large number of valence compounds, the synthesis process is very difficult. Secondly, the thermal analysis experiment is urgent need, so the study of the thermodynamic properties is particularly difficult. In this paper, the thermodynamic data (such as formation enthalpy, entropy and heat capacity) of Fe-V-O compounds are estimated by using some commonly used thermodynamic methods to estimate oxides. Through these estimation data, the required data in the scientific research process can be fiEstimation of thermodynamic data for Fe-V-O system compoundslled and verified in time, laying a foundation for the subsequent studies on the thermodynamic properties of Fe-V-O system compounds.
Keywords: Fe-V-O system compounds Enthalpy of formation Entropy Heat capacity?????
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