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  • Kese, K. O., et al. (author)
  • Effect of ageing on the electrical resistivities of (Ba0.69Pb0.31)Ti-3 PTCR ceramic thermistors
  • 2005
  • In: Ceramics International. - : Elsevier BV. - 0272-8842 .- 1873-3956. ; 31:3, s. 375-378
  • Journal article (peer-reviewed)abstract
    • The electrical resistivity of (Ba0.69Pb0.31)TiO3 PTCR ceramic thermistors aged at temperatures of 175, 200, 250 and 300 degrees C, respectively, were measured. When the samples were aged at temperatures of 175 and 200 degrees C, room-temperature resistivity decreased at the initial ageing stage, and then increased with the ageing time. The samples displayed a monotonous rise of the room-temperature resistivity when the ageing treatments were performed at 250 and 300 degrees C. PTCR effects showed different characteristics after different ageing treatments. These ageing characteristics were analyzed by considering interior oxidation and reduction reactions.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Bergman, Bill (1)
Kese, K. O. (1)
Li, Z. C. (1)
University
Royal Institute of Technology (1)
Language
English (1)
Year
2005 (1)

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