典型文献
Effect of extrusion on the microstructure and mechanical properties of a low-alloyed Mg-2Zn-0.8Sr-0.2Ca matrix composite reinforced by TiC nano-particles
文献摘要：
A low-alloyed Mg-2Zn-0.8Sr-0.2Ca matrix composite reinforced by TiC nano-particles was successfully prepared by semi-solid stirring under the assistance of ultrasonic,and then the as-cast composite was hot extruded.The results indicated that the volume fraction of dy-namical recrystallization and the recrystallized grain size have a certain decline at lower extrusion temperature or rate.The finest grain size of～0.30 μm is obtained in the sample extruded at 200℃and 0.1 mm/s.The as-extruded sample displays a strong basal texture intensity,and the basal texture intensity increases to 5.937 mud while the extrusion temperature increases from 200 to 240oC.The ultra-high mechanical proper-ties(ultimate tensile strength of 480.2 MPa,yield strength of462 MPa)are obtained after extrusion at 200℃with a rate of 0.1 mm/s.Among all strengthening mechanisms for the present composite,the grain refinement contributes the most to the increase in strength.A mixture of cleavage facets and dimples were observed in the fracture surfaces of three as-extruded nanocomposites,which explain a mix of brittle-ductile fracture way of the samples.
文献关键词：
中图分类号：
作者姓名：
Zedong Wang;Kaibo Nie;Kunkun Deng;Jungang Han
作者机构：
College of Materials Science and Engineering,Taiyuan University of Technology,Taiyuan 030024,China;Shanxi Key Laboratory of Advanced Magnesium-based Materials,Taiyuan University of Technology,Taiyuan 030024,China
文献出处：
引用格式：
[1]Zedong Wang;Kaibo Nie;Kunkun Deng;Jungang Han-.Effect of extrusion on the microstructure and mechanical properties of a low-alloyed Mg-2Zn-0.8Sr-0.2Ca matrix composite reinforced by TiC nano-particles)[J].矿物冶金与材料学报,2022(11):1981-1990
A类：
8Sr,namical,240oC,of462
B类：
Effect,extrusion,microstructure,mechanical,properties,alloyed,Mg,2Zn,2Ca,matrix,reinforced,by,TiC,particles,was,successfully,prepared,semi,solid,stirring,under,assistance,ultrasonic,cast,hot,extruded,results,indicated,that,volume,fraction,dy,recrystallization,recrystallized,grain,size,have,certain,decline,lower,temperature,rate,finest,obtained,displays,strong,basal,texture,intensity,increases,mud,while,from,high,ultimate,tensile,yield,after,Among,strengthening,mechanisms,present,refinement,contributes,most,mixture,cleavage,facets,dimples,were,observed,fracture,surfaces,three,nanocomposites,which,explain,brittle,ductile,way,samples
AB值：
0.492743
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