无机晶体材料热膨胀系数理论计算及实验研究  

THEORETICAL CALCULATION AND EXPERIMENTAL STUDY ON THERMAL EXPANSION COEFFICIENT OF INORGANIC CRYSTAL MATERIALS

作　　者：王于静 赵静 陈稳 杨军 WANG Yujing;ZHAO Jing;CHEN Wen;YANG Jun(Communication Engineering Institute,Army Engineering University of PLA,Nanjing,Jiangsu 211101;Department of General Education,Army Engineering University of PLA,Nanjing,Jiangsu 211101)

机构地区：[1]陆军工程大学通信工程学院,江苏南京211101 [2]陆军工程大学基础部,江苏南京211101

出　　处：《物理与工程》2020年第1期93-97,共5页Physics and Engineering

基　　金：陆军工程大学基础学科培育基金(KYJBJQZL1905)。

摘　　要：为解决实验测量晶体材料热膨胀系数的局限性,文章介绍和发展了一种基于量子力学的理论计算方法。通过焦绿石结构陶瓷晶体材料热膨胀系数的实际计算,并与实验测量值比较,验证了理论计算的准确性和实用性,为快速计算晶体材料热膨胀系数提供了一种可靠的理论方法。To overcome the limitation of experimental measurement of thermal expansion coefficient of crystal materials,a theoretical calculation method based on quantum mechanics is introduced and developed.By calculating the thermal expansion coefficient of pyrochlorite structure ceramics,the accuracy and practicability of the theoretical calculation are verified by comparison with the experimental measurements,which provides a reliable theoretical method for the rapid calculation of the thermal expansion coefficient of crystal materials.

关 键 词：晶体 热膨胀系数 势函数 非简谐振动 焦绿石 

分 类 号：O413.1[理学—理论物理] TB302[理学—物理]