The Formation of the High-Tc Phase in the Bi-Pb-Sr-Ca-Cu-O in Samples Enclosed in Silver Pipe

Toshio Egi, Katsunori Hosotani, Tokuro Nanba, Jun Takada

Research output: Contribution to journalArticle

Abstract

The formation of the high-Tc phase in the Bi-Pb-Sr-Ca-Cu-O system has been studied in ground powder samples enclosed in silver pipes. The samples with a composition of Bi:Pb:Sr:Ca:Cu=0.9:0.2:1.0:1.0:1.6 prepared by heating at 850°C for 24h were mechanically ground for various periods, put into silver pipes and heated at 840-850°C. The formation of the high-Tc phase was found to be promoted in the samples enclosed in the silver pipes, depending upon three factors: grinding time, atmosphere in the pipe and reaction between the powder sample and the silver pipe.

Original languageEnglish
Pages (from-to)216-219
Number of pages4
JournalJournal of the Japan Society of Powder and Powder Metallurgy
Volume40
Issue number2
DOIs
Publication statusPublished - Jan 1 1993

ASJC Scopus subject areas

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

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