Thermal stability of nanocrystalline nickel electrodeposits: differential scanning calorimetry, transmission electron microscopy and magnetic studies

Á Cziráki, Zs Tonkovics, I. Geröcs, B. Fogarassy, I. Groma, E. Tóth-Kádár, T. Tarnóczi, I. Bakonyi

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

The grain-growth process of electrodeposited nanocrystalline Ni foils upon heating has been studied by differential scanning calorimetry (DSC), transmission electron microscopy (TEM) and X-ray diffraction (XRD). The direct structural observations have shown that the exothermic calorimetric peak detected at about 600 K corresponds to a grain growth process. Furthermore, the TEM pictures indicate that dislocation loops are formed during grain growth. An almost complete recovery of the Curie point has also been observed, although its correlation with the structural changes is still to be revealed.

Original languageEnglish
Pages (from-to)531-535
Number of pages5
JournalMaterials Science and Engineering A
Volume179-180
Issue numberPART 1
DOIs
Publication statusPublished - May 1 1994

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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