March-Dollase函数在计算铜带择优取向上的应用  

Application of March-Dollase Function in the Calculation of Preferred Orientation of Copper Tape

作　　者：李英楠[1] 李凤华[1] 樊占国[1] 李成山[2] 卢亚锋[2] 

机构地区：[1]东北大学材料与冶金学院,沈阳110004 [2]西北有色金属研究院超导材料研究所,西安710016

出　　处：《材料导报》2009年第8期1-4,共4页Materials Reports

基　　金：国家科技部十一.五“863”项目(2008AA03Z202);辽宁省博士启动基金(20071017)

摘　　要：根据XRD衍射图谱分析了Cu加工的择优取向行为,采用极密度相除的方法对March-Dollase函数求解过程进行了简化,使之可以直接根据XRD衍射图谱的若干峰值算出r值,间接计算择优取向的体积分数。把实测样品的XRD衍射花样与由Rietveld程序根据March-Dollase函数反推的XRD衍射花样进行对比,发现当r值小于0.45时两者符合良好,说明在此条件下(r<0.45)本数值计算方法对r值的计算准确可靠,能够估算择优取向体积分数。The preferred orientation behavior in the process of copper is analyzed, the solution procedure of March-Dollase function is simplified by a method of using division between two polar-intensity data, which can work out r in terms of some peak values from XRD pattern directly and figure out the volume fraction of preferred orientation indirectly. Compared with the XRD patterns of experiment, the simulation by Rietveld inversing from March-Dollase shows a satisfactory agreement when r〈0. 45, which confirms this numerical calculation for r is accurate and reliable in that condition （r〈0. 45）, and this numerical calculation is suitable to estimate the volume fraction of preferred orientation.

关 键 词：冷轧 再结晶 March-Dollase函数 择优取向 

分 类 号：O484.1[理学—固体物理] TM341[理学—物理]