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典型文献
Preparation of unidirectional porous AlN ceramics via the combination of freeze casting and combustion synthesis
文献摘要:
Unidirectional porous AlN ceramics(UP-AlNs)have attracted great attention for their wide applications in catalyst supports,filters and composite reinforcements.However,traditional fabrication processes usually require high temperature and long production cycle.Herein,UP-AlNs were successfully fabricated via the combination of tertiary butyl alcohol(TBA)-based freeze casting and combustion synthesis route using Al and AlN powders as raw materials.The microstructure,open porosity,thermal conductivity and com-pressive strength of UP-AlNs can be manipulated by synergistically regulating the AlN diluent content and Al/AlN solid loading of the freezing slurries.The optimal UP-AlNs exhibited controllable structure wave-length(λ)and open porosity in a wide range of 21.1-47.1 μm and 54.2%-86.0%,respectively.In addition,the corresponding products also possessed anisotropic thermal conductivity and compressive strength.This novel route for the fabrication of UP-AlNs has the advantages of low cost,energy-saving and high efficiency,which shows significant promise for industrial applications.
文献关键词:
作者姓名:
Zhilei Wei;Zhejian Zhang;Xiaoyu Zhang;Zhiyuan Li;Tao Li;Jiabin Hu;Shunjian Xu;Zhongqi Shi
作者机构:
State Key Laboratory for Mechanical Behavior of Materials,Xi'an Jiaotong University,Xi'an 710049,China;School of Mechanical and Electrical Engineering,Xinyu University,Xinyu 338000,China
引用格式:
[1]Zhilei Wei;Zhejian Zhang;Xiaoyu Zhang;Zhiyuan Li;Tao Li;Jiabin Hu;Shunjian Xu;Zhongqi Shi-.Preparation of unidirectional porous AlN ceramics via the combination of freeze casting and combustion synthesis)[J].材料科学技术(英文版),2022(05):161-168
A类:
AlNs
B类:
Preparation,unidirectional,porous,ceramics,via,combination,freeze,casting,combustion,synthesis,Unidirectional,UP,have,attracted,great,attention,their,wide,applications,catalyst,supports,filters,composite,reinforcements,However,traditional,fabrication,processes,usually,require,high,temperature,long,production,cycle,Herein,were,successfully,fabricated,tertiary,butyl,alcohol,TBA,route,using,powders,raw,materials,microstructure,open,porosity,thermal,conductivity,strength,be,manipulated,by,synergistically,regulating,diluent,content,solid,loading,freezing,slurries,optimal,exhibited,controllable,wave,length,range,respectively,In,addition,corresponding,products,also,possessed,anisotropic,compressive,This,novel,has,advantages,low,cost,energy,saving,efficiency,which,shows,significant,promise,industrial
AB值:
0.617862
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