负热膨胀材料的研究与应用进展  

Developments in Study and Applying of Negative Thermal Expansion Materials

作　　者：徐建中[1] 刘颖[1] 李妍[1] 谢吉星[1] 屈红强[1] 

机构地区：[1]河北大学化学与环境科学学院,河北保定071002

出　　处：《河北大学学报（自然科学版）》2009年第4期443-448,共6页Journal of Hebei University(Natural Science Edition)

基　　金：河北省自然科学基金资助项目(B2007000144)

摘　　要：总结近年来国内外文献,介绍了负热膨胀材料的定义、分类标准,归纳了具有代表性的负热膨胀材料的几大系列,以ZrW2O8为例介绍了负热膨胀材料的几种常用的合成方法以及影响热膨胀系数的因素,指出了负热膨胀材料潜在的应用领域,并对负热膨胀材料的发展趋势和应用前景进行了预测.Definition and category of negative thermal expansion materials was concisely introduced based on summarizing papers in latest years. Several major representative families of negative thermal expansion materials and several synthesis approaches of negative thermal expansion material ZrW2O8 were summarized and some influencing factors on the thermal expansion coefficient were analyzed. The pros-pects of potential applications and development trend were propounded.

关 键 词：负热膨胀材料 合成方法 热膨胀系数 

分 类 号：O611.6[理学—无机化学]