Solidification Microstructures of Laser‐Melted Alumina Powder Compacts

David H. Matthiesen, William T. Petuskey

Research output: Contribution to journalArticle

10 Scopus citations

Abstract

Dense, thin sheets of α‐alumina formed after solidification of powder compact surfaces which were melted using CO2 laser radiation. The microstructures and surface topographies varied with the depth of melt. Most significant was a zone of columnar grains oriented in the [661] direction which yielded smooth surfaces for intermediate depths.

Original languageEnglish (US)
Pages (from-to)C‐114-C‐116
JournalJournal of the American Ceramic Society
Volume68
Issue number5
DOIs
StatePublished - May 1985
Externally publishedYes

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

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