摘要
研究了LaNi_(4.25)Al_(0.75)吸D_(2)的P-C-T特性。在C为1,2,3时,其焓变分别为-42.61,-42.08,-39.35 kJ/mol;其熵变分别为-116.58,-112.45,-110.07 J/(mol·K)。通过对比JMA模型、Jander模型与Chou模型拟合结果与实验数据的逼近程度,发现本实验条件下,JMA模型更为适宜。测定结果表明三维主体成核及长大是LaNi_(4.25)Al_(0.75)吸D_(2)过程的控速步骤,其反应活化能为32.6025 kJ/mol。
The P-C-T characteristics of LaNi_(4.25)Al_(0.75) absorbing D_(2) are studied in this paper.When C is 1,2 and 3,its enthalpy change is-42.61,-42.08,-39.35 kJ/mol respectively,and its entropy change is-116.58,-112.45,-110.07 J/(mol·K)respectively.By comparing the fitting results of JMA model,Jander model and Chou model with the experimental data,it was found that JMA model was more suitable under the experimental conditions.The measurement results show that three-dimensional nucleation and growth are the rate-controlling steps in the process of LaNi_(4.25)Al_(0.75) absorbing D_(2).Its reaction activation energy is 32.6025 kJ/mol.
作者
周文
李松
吴展华
杨小军
姚春艳
杨立
康海涛
Zhou Wen;Li Song;Wu Zhanhua;Yang Xiaojun;Yao Chunyan;Yang Li;Kang Haitao(China Institute of Atomic Energy,Beijing 102413,China)
出处
《山东化工》
CAS
2023年第8期49-53,共5页
Shandong Chemical Industry
作者简介
周文,硕士,工程师;通信作者:吴展华,博士,研究员。
