Macro-micro modeling for coupled elasto-creep and thermal analyses under sintering

Fujio Tsumori, Tatsuhiko Aizawa

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

Macro-micro modeling is proposed as a new method of sintering analysis for quantitative evaluation of geometric changes in green and brown materials together with precise prediction of their microscopic shrinkage in sintering. Variational principles in the elasto creep frame are utilized to make formulations both for macro and micro models and to simulate time history of geometric configuration, creep strains and stresses by time incremental procedure. Another macro-micro modeling for heat transfer problem is formulated for coupling with the elasto-creep model to consider the effect of heat transfer under the sintering process. Several numerical examples are employed to verify the validity and effectiveness of the present method. Published by Elsevier Science S.A.

Original languageEnglish
Pages (from-to)357-362
Number of pages6
JournalMaterials Science and Engineering A
Volume285
Issue number1-2
DOIs
Publication statusPublished - 2000 Jun 15
EventNSF Symposium on Micromechanic Modeling of Industrial Materials: In Honor of the 65th Birthday of Professor T. Mori - Seattle, WA, USA
Duration: 1998 Jul 201998 Jul 22

Keywords

  • Coupling
  • Elasto-creep model
  • Macro-micro modeling
  • Sintering
  • Thermal analysis

ASJC Scopus subject areas

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

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