钨渗铜材料力学弹性性质的实验测量与物理模型计算  

Elastic Properties of Copper Infiltrated Tungsten Determined by Experimental Measurements and Physical Models

作　　者：杨垂玮[1] 魏明飞[1] 陈梦成[2] 黄模佳[1] 

机构地区：[1]南昌大学建筑工程学院,江西南昌330031 [2]华东交通大学土木建筑学院,江西南昌330013

出　　处：《南昌大学学报（工科版）》2010年第4期399-404,共6页Journal of Nanchang University(Engineering & Technology)

基　　金：国家自然科学基金资助项目(10972098;10662004);江西省主要学科学术和技术带头人培养计划项目;高等学校博士学科点专项科研基金资助项目(20070403003);江西省自然科学基金资助项目(2008GZW0005)

摘　　要：钨渗铜材料是一种以钨为基体、铜为夹杂的两相复合金属材料,由于具有优异的力学性能和热、电特性而被广泛应用于军事和民用领域。采用引伸计测量器、应变测量仪、超声波仪分别测量了钨渗铜材料的力学性质,并依据钨渗铜复合材料的结构特点,把钨渗铜材料中的铜和钨分别看成为复合材料的夹杂和基体,利用Voigt模型和Reuss模型分别计算出钨渗铜材料弹性性质的上界值和下界值,利用本征应变自洽法计算钨渗铜材料的弹性性质,理论计算结果与实验结果吻合。Copper infiltrated tungsten is a kind of composite metal whose matrix is tungsten and whose inclusions are copper.Copper infiltrated tungsten is widely used in military affairs and civil fields due to its excellent mechanical,thermal,and electrical properties.Herein we measured the elastic properties of copper infiltrated tungsten by means of extensometer,strain gauge and ultrasonic equipment.We took copper and tungsten as the inclusions and matrix of the composite metal respectively.Using Voigt model and Reuss model,we obtained the upper bound and the lower bound of elastic properties of copper infiltrated tungsten.We also used the self-consistent method on eigenstrain to derive the elastic properties of copper infiltrated tungsten.Our theoretical results coincided with those of our experiments very well.

关 键 词：钨渗铜 Voigt模型和Reuss模型 本征应变自洽法 超声波测量 拉伸测量 

分 类 号：O343.1[理学—固体力学]