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Cathodoluminescent properties of Tb3+-doped yttria nanocrystallitesP.Psuja,D.Hreniak,W.StrekInstitute of Low Temperature and Structure Research, Polish Academy of Sciences ul.Okolna 2, 50-422 Wroclaw, Poland摘 要:The Tb3+-doped Y2O3 nanopowders were synthesized using the modified Pechini method. The average size of nanocrystallites was controlled......
Thermal stability and sputtering resistance under irradiation of yttria dispersed ferrum filmsLI Zhengcao, YU Xiaoyi, MIAO Wei, and ZHANG Zhengjun State Key Laboratory of New Ceramic and Fine... was recommended to prepare yttria dispersed ferrum films. Vacuum annealing and ion irradiation were carried out to study the surface topography and structural features of the prepared yttria......
performance of ultrafine silver powder WEI Li-li1, XU Sheng-ming1, 2, XU Gang1, CHEN Song-zhe1, LI Lin-yan1 (1. Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China; 2. State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: The preparation of ultrafine silver powder was investigated by reducing Ag(NH3)2......
RESEARCH ON PREPARATION OF ULTRAFINE ALN POWDERS曹立宏,袁润章,汤宇凌,卓云峰摘 要:<正>The high purity of ultrafine power(UFP)of a-luminium nitride(AlN) are prepared by the reaction of nitrogenplasma with metal aluminium in D.C.plasma reactr.Both thenitriding principle and the AlN nucleation mechanism are stud-ied.The rusults,indicate that the chemical reaction......
Low-agglomerated yttria nanopowders via decomposition of sulfate-doped precursor with transient morphologyR.P.Yavetskiy1,D.Yu.Kosyanov1,V.N.Baumer2,A.G.Doroshenko1,A.I.Fedorov2,N.A.Matveevskaya1...">The fabrication peculiarities of low-agglomerated yttria(Y2O3) nanopowders via thermal decomposition of sulfate-doped precursor with transient morphology were studied.It was determined that Y2(OH)5(NO3)x......
Low-agglomerated yttria nanopowders via decomposition of sulfate-doped precursor with transient morphologyR.P.Yavetskiy1,D.Yu.Kosyanov1,V.N.Baumer2,A.G.Doroshenko1,A.I.Fedorov2,N.A.Matveevskaya1...">The fabrication peculiarities of low-agglomerated yttria(Y2O3) nanopowders via thermal decomposition of sulfate-doped precursor with transient morphology were studied.It was determined that Y2(OH)5(NO3)x......
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University, Chongqing 400700, China摘 要:The effect of yttria on the solid reaction mechanism of a CaHPO4·2H2O + CaCO3 system at different temperatures was experimentally stud-ied. The samples with and without yttria were subjected to thermogravimetric/differential scanning calorimetry measurement. The samples were heat treated at the temperatures corresponding......
Composite ceramics thermal barrier coatings of yttria stabilized zirconia for aero-enginesQiaomu Liu,Shunzhou Huang,Aijie HeAECC Sichuan Gas Turbine Establishment摘 要:yttria stabilized zirconia(YSZ). In this paper, fabrication methods, coating structures, materials, failure......
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