SiC粒子非均布引起铝基复合材料的损伤分析.pdf

力 学 与 实 践 2002年第24卷 WANG flat tubearethe intfic LIU extruding keytechnology QuankunLeigang Scienceand is to thc EngineeringCollege，llefciwallboardextrusionIt 3,nalyZe (Materials necessary of 230009，China】 UniversityTechnology，Hefei stressesintheflat tubeInthis extruding paper，the for stressesintheflat tubeandroundcxtrud- AbstractThe wallboardextrusion extruding integrated tubeal-e and withANSYS Muminumfeature ratio ing comparedanalyzed profiles highwidth—he培ht finiteelement the ofsection(about50～100)，complexshape，high method，andcorrespondingdesign aremade． and wallboardproposals large precision size．Therefore，the wordsWholewallboard ex- hastobeextrudedwithafiat tubeiaa Key extrusion，Flat extruding The and ofthe extruder ma,nufactnretrudingtube，ANSYS，Shrinkagerange large design SiC粒子非均布引起铝基复合材料的损伤分析 伊力哈木·阿布都热依木买买提明·艾尼苏白·阿那别克 吐尔逊‘斯迪克哈丽旦‘木沙’嘞 A ‘“ (新疆大学，乌鲁术卉830008) 摘要根据电镜断面考察结果，以Gurson模型为本 丰要有基体的延性破坏、强化物SiC的断裂及基体与 构方程的有限单元法对包体模型及三维非均匀模型进 强化物SiC之间的表面剥离等三种．特别是，破坏首 行了详细分析．为了评价应力一应变关系及损伤的主