Morphology of silicon grain boundaries in Sr-modified Al-Si eutectic alloys by HREM

M. Shamsuzzoha, Pierre A Deymier, David J. Smith

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Crystallographic changes in the Σ3〈110〉/{111}, Σ3〈110〉/{112} and Σ9〈110〉/{112} boundaries induced by th presence of strontium in the silicon phase of Sr-modified Al-Si alloys have been studied by high-resolution electron microscopy. The Σ3 boundaries possessing {111} and {112} planes in the pure silicon phase often exhibit asymmetric morphologies in the Sr-modified phase. Interaction of various Σ3〈110〉/{111} boundaries results in both Σ3〈110〉/{112} and Σ9〈110〉/{112} boundaries. The resulting Σ9 boundaries also show asymmetrical inclination.

Original languageEnglish (US)
Pages (from-to)265-270
Number of pages6
JournalUltramicroscopy
Volume40
Issue number3
DOIs
StatePublished - 1992

Fingerprint

eutectic alloys
High resolution electron microscopy
Silicon
Eutectics
Grain boundaries
grain boundaries
Strontium
silicon
strontium
inclination
electron microscopy
high resolution
interactions

ASJC Scopus subject areas

  • Materials Science(all)
  • Instrumentation

Cite this

Morphology of silicon grain boundaries in Sr-modified Al-Si eutectic alloys by HREM. / Shamsuzzoha, M.; Deymier, Pierre A; Smith, David J.

In: Ultramicroscopy, Vol. 40, No. 3, 1992, p. 265-270.

Research output: Contribution to journalArticle

Shamsuzzoha, M. ; Deymier, Pierre A ; Smith, David J. / Morphology of silicon grain boundaries in Sr-modified Al-Si eutectic alloys by HREM. In: Ultramicroscopy. 1992 ; Vol. 40, No. 3. pp. 265-270.
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