NANOPOWDERS

作品数：101被引量：138H指数：6
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Mechanism for Hydrothermal-carbothermal Synthesis of AlN Nanopowders
《无机材料学报》2025年第1期104-110,I0009-I0011,共10页FENG Guanzheng YANG Jian ZHOU Du CHEN Qiming XU Wentao ZHOU Youfu 
National Key Research and Development Program of China(2022YFB3708500,2023YFB3611000);Fujian Science&Technology Innovation Laboratory for Optoelectronic Information of China(2020ZZ109)。
Currently,the carbothermal reduction-nitridation(CRN)process is the predominant method for preparing aluminum nitride(AlN)powder.Although AlN powder prepared by CRN process exhibits high purity and excellent sintering...
关键词：aluminum nitride carbothermal reduction-nitridation MECHANISM hydrothermal synthesis PRECURSOR 
Magnetocaloric properties of Nd-doped Gd_(5)Si_(4) microparticles and nanopowders
《Chinese Physics B》2024年第11期396-402,共7页Kaiyang Zhang Huanhuan Wang Ying Wang Tao Wang 
Project supported by the Natural Science Foundation of Gansu Province(Grant No.22JR5RA404).
The preparation of materials with enhanced magnetocaloric properties is crucial for magnetic refrigeration. In thisstudy, Nd-doped Gd5Si4 microparticles and nanomaterials were synthesized using the reduction–diffusio...
关键词：MAGNETOCALORIC Gd_(5)Si_(4) Nd doping reduction-diffusion method 
A novel dissolution-precipitation strategy to accelerate the sintering of yttrium oxide dispersion strengthened tungsten alloy with well-regulated structure
《Journal of Materials Science & Technology》2024年第17期43-53,共11页Peng Hu Xinyu Gong Hexiong Liu Wenyuan Zhou Jinshu Wang 
supported by the National Natural Science Foundation of China(Nos.52130407,52174342);Beijing Natural Science Foundation(No.2232044).
In this work,accelerated sintering of Y_(2)O_(3)dispersion strengthened tungsten alloy with a well-regulated structure was achieved by a novel dissolution-precipitation strategy.As indicated,yttrium oxide was firstly ...
关键词：Plasma synthesis Composite nanopowders W-Y_(2)O_(3)alloy Dissolution-precipitation Accelerated densification 
Nanotwin-assisted nitridation of quenched FeNi alloy nanopowders for rare-earth-free magnets
《Journal of Materials Science & Technology》2023年第34期244-252,共9页Jian Wang Yusuke Hirayama Kazuyuki Suzuki Kwangjae Park Zheng Liu Kenta Takagi Kimihiro Ozaki 
L1_(0)-ordered FeNi alloy with a high uniaxial magnetic anisotropy and large magnetic moment is a promising candidate for rare-earth-free permanent magnets applications.However,the synthesis of this chemically ordered...
关键词：Rare-earth-free Permanent magnet FeNi NITRIDATION Nanotwin 
Facile synthesis of high-entropy zirconate nanopowders and their sintering behaviors被引量：3
《Journal of Advanced Ceramics》2023年第3期498-509,共12页Lin Tan Xinghua Su Jingxin Yang Pengchao Ji Fu Sun Qiang Tian Zhenhuan Zhao 
supported by the Key Research and Development Projects of Shaanxi Province(Grant No.2021GY-250);the Open Project of State Key Laboratory of Environment-Friendly Energy Materials(Grant No.20kfhg06);the Fundamental Research Funds for the Central Universities of China(Grant No.300102312406).
The challenge in synthesizing high-entropy ceramic(HEC)nanopowders is to suppress severe grain coarsening and particle agglomeration,which occur at elevated temperatures.This challenge could be addressed by the polyac...
关键词：high-entropy ceramics(HECs) NANOPOWDERS ZIRCONATE acrylamide(AM) sintering 
Sintering kinetics involving grain growth and densification of Mg-PSZ nanopowders
《Journal of Iron and Steel Research International》2022年第7期1138-1144,共7页Yi-ming She Jie-fu Lang Di An Chao-wei Si Xu-dong Luo Zhi-peng Xie Jie-gang You 
The work has been supported by the National Key Research and Development Program of China(No.2017YFB0310401);National Natural Science Foundation of China(Nos.U1908227 and U20A20239).
Sintering kinetics have been found to be effective in judging the evolution of ceramics.By using magnesium oxide-partially stabilized zirconia(Mg-PSZ)powder prepared by co-precipitation as raw materials,the evolution ...
关键词：Magnesium oxide-partially stabilized zirconia Sintering kinetics Grain growth mechanism Densification mechanism Sizing nozzle 
Synthesis of the superfine high-entropy zirconate nanopowders by polymerized complex method被引量：4
《Journal of Advanced Ceramics》2022年第1期136-144,共9页Yangjie HAN Renwang YU Honghua LIU Yanhui CHU 
support from the National Natural Science Foundation of China(Nos.52122204 and 51972116);the Guangdong Basic and Applied Basic Research Foundation(Nos.2019A1515012145 and 2021A1515010603);the Fundamental Research Foundation for the Central Universities(No.2020ZYGXZR080);the Creative Research Foundation of the Science and Technology on Thermostructural Composite Materials Laboratory(No.JCKYS2020607003).
The high-purity and superfine high-entropy zirconate nanopowders,namely(Y_(0.25)La_(0.25)Sm_(0.25)Eu_(0.25))_(2)Zr_(2)O_(7)nanopowders,without agglomeration,were successfully synthesized via polymerized complex method...
关键词：high-entropy oxides ZIRCONATES NANOPOWDERS polymerized complex method 
Unveiling exceptional sinterability of ultrafine a-Al2O_(3) nanopowders被引量：1
《Journal of Materiomics》2021年第4期837-844,共8页Hongbing Yang Lu Li Yuanyuan Li Bing Shen Yueming Kang Libin Zhao Jiajie Li Yanhao Dong Jiangong Li 
the support by the National Natural Science Foundation of China(No.51551201 and 51772137);the Fundamental Research Funds for the Central Universities(No.lzujbky-2019-sp03).
Scalable pressureless sintering of nanocrystalline alumina(Al2O_(3))ceramics is a challenging problem with great scientific and technological interest.This challenge was addressed in our recent works utilizing ultrafi...
关键词：Nanocrystalline materials SINTERING Alumina(a-Al2O_(3)) Diffusion Activation energy 
Effect of Particle Size on Target Sintering Behavior of Cubic ITO Nanopowders被引量：3
《Journal of Wuhan University of Technology(Materials Science)》2020年第6期1098-1103,共6页ZHAI Xiaoyu PENG Xiang MA Yunqian LIU Ting LIU Jiaxiang 
Funded by the Beijing Municipal Natural Science Foundation (No. 2192041)。
The effect of particle size on the density and resistivity of ITO green bodies and targets was systematically investigated.The experimental results show that the relative density of ITO green bodies decreases with the...
关键词：indium tin oxide nanoparticles particle size indium tin oxide target relative density RESISTIVITY 
Characterization of YSZ Ceramic Nanopowders Synthesized at Different Temperatures via Polyacrylamide Gel Method被引量：1
《Journal of Wuhan University of Technology(Materials Science)》2020年第3期528-534,共7页LIU Ting CHEN Weidong JU Hongmin YAN Shufang MA Wen 
Funded by the National Natural Science Foundation of China(No.51964035);the Natural Science Foundation of Inner Mongolia Autonomous Region(No.2019MS0520)。
Tetragonal zirconia (T-ZrO2) ceramic nanopowders stabilized with 3 mol% Y2O3 were synthesized via polyacrylamide gel method, using ZrOCl2?8H2O and Y(NO3)3?6H2O as raw materials. The effect of temperature on phase comp...
关键词：YSZ nanopowders polyacrylamide gel method sintering behavior aging-resistance grain size 
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