Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Takehiko Hirata"'
Publikováno v:
Journal of the Ceramic Society of Japan. 113:154-160
Tests were performed on Al2O3-Y2O3 based compounds, which are the most widely used sintering additive for Si3N4, with the objectives of evaluating the high-temperature viscosity characteristics of Al-Y-Si-O based glass and clarifying the relationship
Publikováno v:
Journal of the European Ceramic Society. 23:2089-2096
In the previous study, we found out that the corrosion of ceramic materials in molten slag depended strongly on the viscosity of the slag and the basicity gap between the ceramics and the slag. In this study, we propose experimental equation to predi
Publikováno v:
Journal of the European Ceramic Society. 23:91-97
This report describes an investigation of the influence of impurities of Al2O3 on the hot corrosion resistance against V2O5–Na2SO4 molten salt. Thickness of damage zone in Al2O3 ceramics whose purity is high depends on the holding time linearly. On
Publikováno v:
MATERIALS TRANSACTIONS. 43:2561-2567
Improvement of the corrosion resistance of refractories is required critically, since Al 2 O 3 based conventional refractories used for incineration at the power generation plants are seriously corroded by the molten oxide mixture. In this study, the
Publikováno v:
Journal of the European Ceramic Society. 20:1191-1195
This report describes an investigation of the synthesis of β-Si 3 N 4 particles from α-Si 3 N 4 particles. The β fraction of Si 3 N 4 particles was found to depend on temperature, heating time, and the type of crucibles in which the Si 3 N 4 parti
Publikováno v:
Journal of the European Ceramic Society. 20:195-199
We investigated the sintering behavior of Cr 2 O 3 –Al 2 O 3 ceramic materials. In our observation of the isothermal shrinkage behavior of Cr 2 O 3 –Al 2 O 3 ceramic, the activation energy of sintering reaction was measured to be 102 kJ/mol, that
Effect of titanium powder on the characteristic properties of hot isostatically pressed Ti-Co alloys
Publikováno v:
Journal of the Japan Society of Powder and Powder Metallurgy. 35:1-5
Static tensile properties of HIP'ed Ti-Co binary alloys containing 2 wt% or 4wt%Co were studied, and metallographic and fractographic observation were also carried out by scanning electron microscope and X-ray energy dispersion analysis.Despite the l
Publikováno v:
Journal of the Japan Institute of Metals. 51:1194-1200
Publikováno v:
Journal of the Japan Society of Powder and Powder Metallurgy. 34:211-216
Static tensile properties of HIP'ed Ti-6A1-4V alloys after sintering at 1473 K for 3.6 ks by blended elemental powder metallurgy process were studied, and compared with those of HIP'ed Ti-6A1-4V powder compacts, made by Rotating Electrode Process (RE
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