Contribution to the study of phase interactions and morphology in YBCO/Ag melt-processed composites

G. A. Costa, Paolo Mele

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The Y-Ba-Cu-O/Ag equilibrium diagram in oxygen atmosphere was studied. A high thermal effect was found when the silver concentration was increased to 35 wt.%. The peritectic decomposition temperature of the Y-123 phase is lowered from 1040 to 940 °C. The nature of the phenomenon is not due to a chemical reaction between silver and any phase of the Y-Ba-Cu-O system. It is explained as the result of a segregation of the Y-123 liquid decomposition products (BaCuO2 + CuO) from the Y-123 phase, performed by silver.

Original languageEnglish
Pages (from-to)1174-1178
Number of pages5
JournalPhysica C: Superconductivity and its Applications
Volume372-376
Issue numberPART 2
DOIs
Publication statusPublished - 2002 Aug 1
Externally publishedYes

Fingerprint

Silver
silver
composite materials
Composite materials
Decomposition
decomposition
interactions
Thermal effects
temperature effects
Chemical reactions
chemical reactions
phase diagrams
Oxygen
atmospheres
Liquids
oxygen
products
liquids
Temperature
temperature

Keywords

  • Ag additions
  • Melt-textured YBCO
  • Y-Ba-Cu-O equilibrium diagram

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

Cite this

Contribution to the study of phase interactions and morphology in YBCO/Ag melt-processed composites. / Costa, G. A.; Mele, Paolo.

In: Physica C: Superconductivity and its Applications, Vol. 372-376, No. PART 2, 01.08.2002, p. 1174-1178.

Research output: Contribution to journalArticle

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