金属基复合材料及其合金凝固过程的研究现状  

Research Status of Metal Matrix Composite and Alloy Solidification Process

作　　者：倪泽联[1] 张莹[1] 李培生[1] 程毅[1] 

机构地区：[1]南昌大学机电工程学院,江西南昌330031

出　　处：《热加工工艺》2015年第10期34-37,共4页Hot Working Technology

基　　金：国家自然科学基金资助项目(51066005);江西省研究生创新专项基金资助项目(YC2013-S028);江西省科技厅自然科学基金计划项目(20151BAB206048)

摘　　要：介绍了网络陶瓷/金属复合材料的制备方法,主要包括原位反应法和多孔陶瓷预制体浸渗法,其中多孔陶瓷预制体浸渗法又包括了挤压浸渗法、真空压力浸渗法和无压浸渗法。以泡沫陶瓷为增强相制备金属基复合材料制备方法为例,介绍其三维连续网格制备的不同方法,并结合液态合金在多孔陶瓷内的凝固过程分析方法,分析了目前国内学者在相关领域的研究现状,提出了从凝固学科的角度去研究复合材料成型过程中的流动和传递过程是进一步研究复合材料及其性能提高的有效途径。The preparation method for network ceramic/composite was described.The main methods is in-situ reaction method and porous ceramics precast body impregnation method which includes squeeze infiltration method,vacuum pressure impregnation method and non-pressure impregnation method.Taking ceramic foam reinforcement preparation method which is used for preparing metal matrix composite as an example,the different methods for three-dimensional continuous grid preparation were described.Combining with the analysis methods of liquid alloy solidification process in porous ceramics,the current domestic scholars in related fields was analyzed.The perspective of the disciplines,which is to study the solidification composite molding process flow and transfer process is an effective way to study the composite and performance improvement,is prospected.

关 键 词：复合材料 凝固 研究现状 多孔介质 分形理论 

分 类 号：TB333[一般工业技术—材料科学与工程]