Wen WANG
,
Yu ZHOU
,
Sheng CHEN
,
Feng Y
,
Dechang JIA
材料科学技术（英文）
Strontium bismuth tantalum (SBT) fine power was prepared by Sol-Gel method. Pentaethoxy tantalum, strontium acetate and bismuth subnitrate were used as raw materials, and were dissolved in proper order in ethylene glycol to form transparent sol. The mixed precursor was dried at 80℃ and annealed at 8...
关键词:
Yujin WANG
,
Yu ZHOU
,
Guiming SONG
,
Tingquan LEI
材料科学技术（英文）
In order to improve the high temperature strength of tungsten, 30~vol. pct ZrC particles were added to the tungsten matrix to form a 30ZrCp/W composite. The tensile properties from 20℃ to 1880℃ of the composite were examined. It was shown that with increasing testing temperature, the nonlinearity of...
关键词:
ZrCp/W composite
,
null
,
null
,
null
Junbao ZHANG
,
Tingquan LEI
,
Guangwu WEN
,
Yu ZHOU
材料科学技术（英文）
Amorphous silicon oxynitride powders have been obtained by pyrolysis of polysiloxazane in a stream of anhydrous NH3 at the temperature up to 1000℃. The polysiloxazane is fabricated from ammonolysis of chloropolysiloxane that is produced by the hydrolysis of silicon tetrachloride. The conversion of p...
关键词:
Dianran YAN
,
Jining HE
,
XiangZhi LI
,
Yangai LIU
,
Yu ZHOU
,
Dechang JIA
材料科学技术（英文）
The corrosion resistance of SiO2/A12O3, TiO2/Al2O3 and (SiO2+TiO2)/Al2O3 ceramic composite coatings on Q235 substrate fabricated by means of plasma spraying was investigated. The results show that A12O3+13 wt pct TiO2 ceramic coating has the highest density, the lowest connected porosity and the bes...
关键词:
Yujin WANG
,
Yu ZHOU
,
Guiming SONG
,
Tingquan LEI
材料科学技术（英文）
The elevated temperature mechanical properties of TiCp/W composites produced using powder metallurgical technique were investigated. Results show that with increasing temperature, the strength of TiCp/W composites increases gradually and reaches its maximum value at 1000℃, which is much higher than ...
关键词:
Jiancun RAO
,
Jiancheng GU
,
Yu ZHOU
,
Feng YE
,
Tingquan LEI
材料科学技术（英文）
BAS glass-ceramic powders were prepared by sol-gel processing. SiC platelets reinforced BAS glass-ceramic matrix composites with high density and uniform microstructure could be made using hot-pressing method. The related processing parameters were studied in this work, including effects of addition...
关键词:
Congqin NING
,
Qingchang MENG
,
Yu ZHOU
,
Haitao LIU
材料科学技术（英文）
Composite coatings of bioglass and hydroxyapatite (briefly named HA/BG) with different hydroxyapatite contents on titanium substrate were successfully fabricated. The fabricated coatings are characterized by rough and poriform surface.The densities of the coatings decrease with the increase of HA co...
关键词:
M.Naka
,
Jie ZHANG
,
Yu ZHOU
材料科学技术（英文）
Si3N4 ceramic was jointed to itself using a filler alloy of Cu76.5Pd8.5Ti15, and the mechanical properties of the joint were measured and analyzed. By using a filler alloy of Cu76.5Pd8.5Ti15, the Si3N4/ Si3N4 joints were obtained by brazing at 1373～1473 K for 0.9～5.4 ks under a pressure of 2×10-3 MP...
关键词:
Si3N4 ceramic
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null
,
null
,
null
Jiancun RAO
,
Yu ZHOU
,
Douxing LI
材料科学技术（英文）
A new type of long periodic structure has been found in ZrO2-Y2O3 ceramics in annealed states. High resolution electron microscopy (HREM), selected area electron diffraction, and computer simulation have been used to reveal the presence of the long periodic structure. The unit cell of the long perio...
关键词:
Ceramics
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null
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null
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null
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