Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Hisao KIMURA"'
Publikováno v:
Metallurgical and Materials Transactions A. 52:902-913
Ferrous scraps have been widely utilized as raw materials in the production of ductile irons. With increasing scrap use and repeated recycling, the concentrations of tramp elements such as copper (Cu) and tin (Sn) in the raw materials are expected to
Publikováno v:
ISIJ International. 58:123-131
Publikováno v:
The Journal of Chemical Thermodynamics. 40:471-475
The vapor pressure of phosphorus in equilibrium with a mixture of elemental Cr and Cr3P at (1523 to 1623) K was estimated by double Knudsen cell mass spectrometry with a Cu–P alloy as a reference substance. The Gibbs free energy of formation of Cr3
Publikováno v:
ISIJ International. 47:207-210
The vapor pressure of phosphorus in molten carbon-saturated iron with phosphorus content of 0.20-0.92 mass% at 1 473-1 673 K was measured by double Knudsen cell mass spectrometry. In the molten carbon-saturated iron, phosphorus behaved according to H
Autor:
Arata Matsumoto, Tsutomu Ogawa, Tasuku Hamano, Hisao Kimura, Mitsuru Kakiki, Fumitaka Tsukihashi
Publikováno v:
Tetsu-to-Hagane. 92:748-754
Publikováno v:
ISIJ International. 45:506-512
Phase diagrams for the CaO-SiO2-FeOx-Al2O3 or -MgO systems at various oxygen partial pressures are necessary for the design of raw material for ironmaking, the analysis of smelting reaction and sintering process. To clarify the effect of Al2O3 or MgO
Publikováno v:
ISIJ International. 44:2040-2045
Phase diagrams for the CaO-SiO 2 -FeO x system at various oxygen partial pressures are necessary for the design of raw material for ironmaking, the analysis of smelting reaction and ore sintering process. In this study, liquidus lines for the CaO-SiO
Autor:
Hisao Kimura, Fumitaka Tsukihashi
Publikováno v:
Tetsu-to-Hagane. 83:689-694
Publikováno v:
Metallurgical and Materials Transactions B. 26:553-556
The activity of a few percent of Na2O in the CaO-CaF2-SiO2 system doubly saturated with CaO and 3CaO·SiO2 has been determined between 1423 and 1623 K by a chemical equilibration technique. The temperature dependence of the activity coefficient of Na
Publikováno v:
Journal of the Japan Society of Powder and Powder Metallurgy. 39:922-928
Equilibrium experiments were performed to determine thermally stable ranges of SrO⋅2FeO⋅8Fe2O3(SrW) and SrO⋅FeO⋅7Fe2O3(SrX) compounds under various oxygen partial pressures. The existence of SrO⋅eO⋅7Fe2O3(SrX) compound was first verified