High-temperature Behavior of a Pd-Ag Alloy for Porcelain

J. R. Mackert, R. D. Ringle, C. W. Fairhurst

Research output: Contribution to journalArticlepeer-review

59 Scopus citations


The mechanism of formation of nodular material on the surface of a Pd-Ag-based alloy for porcelain during pre-porcelainization heat treatment was investigated using scanning electron microscopy, x-ray diffraction, quantitative metallography, and Auger electron spectroscopy. The nodules were found to form by a Nabarro-Herring creep mechanism driven by the internal oxidation of tin and indium. Implications of this process with regard to porcelain bonding and discoloration are discussed.

Original languageEnglish (US)
Pages (from-to)1229-1235
Number of pages7
JournalJournal of Dental Research
Issue number12
StatePublished - Dec 1983

ASJC Scopus subject areas

  • Dentistry(all)


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