Equilibrium Phase Diagrams for the Systems PbO-RO-R'O (R, R'=Ca, Sr, Cu)

Jun Takada, Hitoshi Kitaguchi, Hiroaki Kuniya, Koji Sato, Kiichi Oda, Akiyoshi Osaka, Yoshinari Miura, Yasunori Ikeda, Mikio Takano, Yoshichika Bando, Ryoji Kanno, Yasuo Takeda

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Abstract

Equilibrium phase relationships for the pseudo-ternary systems PbO-CaO-CuO, PbO-SrO-CuO and PbO-CuO-SrO have been studied mainly by the X-ray diffraction method. The equilibrium phase diagram of the PbO-CaO-CuO system was drawn up at 700°C, 800°C and 850°C in air. The equilibrium phase diagram of the PbO-SrO-CuO system was determined at 700°C and 800°C in air. A part of phase diagram of the PbO-CaO-SrO system was drawn up at 800°C in air. At 800°C and 850°C, the regions of liquid or liquid+solids were determined in each systems. In the PbO-SrO-CuO system we found a new ternary solid solution. In the PbO-CaO-SrO system we found that (Ca1-xSrx)2PbO4 was a solid solution of 0≤x≤1.0 at 800°C. The composition dependences of lattice parameters and decomposition point of a solid solution (Ca1-xSrx)2PbO4 were determined.

Original languageEnglish
Pages (from-to)533-541
Number of pages9
JournalJournal of the Japan Society of Powder and Powder Metallurgy
Volume36
Issue number5
DOIs
Publication statusPublished - 1989

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Metals and Alloys
  • Materials Chemistry

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    Takada, J., Kitaguchi, H., Kuniya, H., Sato, K., Oda, K., Osaka, A., Miura, Y., Ikeda, Y., Takano, M., Bando, Y., Kanno, R., & Takeda, Y. (1989). Equilibrium Phase Diagrams for the Systems PbO-RO-R'O (R, R'=Ca, Sr, Cu). Journal of the Japan Society of Powder and Powder Metallurgy, 36(5), 533-541. https://doi.org/10.2497/jjspm.36.533