金属材料的热膨胀特性  

Study on Thermal Expansion Characteristic of Metallic Materials

作　　者：华瑛[1] 

机构地区：[1]宝钢集团上海五钢有限公司,上海200940

出　　处：《金属材料研究》2005年第3期41-45,共5页Research on Metallic Materials

摘　　要：介绍了热膨胀特性与物理量、材料成分和结构之间的关系，较详尽地分析了影响热膨胀系数的因素，为改进和研制开发应用新型膨胀合金提供了有效的科学依据。On the basic principles of the thermal expansion, the relationship between the thermal expansion property and the physics parameters, chemical composition as well as crystalline structure has been explained, the influencing factors of coefficient of thermal expansion have been thoroughly discussed. It is useful for further researching and developing new thermal expansion alloys.

关 键 词：金属材料 热膨胀 平均线膨胀系数 热膨胀特性 热膨胀系数 材料成分 科学依据 膨胀合金 研制开发 物理量 

分 类 号：TQ174.758[化学工程—陶瓷工业] TB34[化学工程—硅酸盐工业]