Combining x-ray diffraction contrast tomography and mesoscale grain growth simulations in strontium titanate: An integrated approach for the investigation of microstructure evolution

Melanie Syha, Michael Baürer, Wolfgang Rheinheimer, Wolfgang Ludwig, Erik Mejdal Lauridsen, Daniel Weygand, Peter Gumbsch

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Motivated by the recently reported a growth anomaly in strontium titatate bulk samples1, the microstructure of bulk strontium titanate has been investigated by an integrated approach comprising conventional metallography, three dimensional X-ray diffraction contrast tomography (DCT)2, and the observation of pore shapes in combination with mesoscale grain growth simulations. The microstructural evolution in strontium titanate has been characterized alternating ex-situ annealing and high energy X-ray DCT measurements, resulting in three dimensional microstructure reconstructions which are complemented by crystallographic orientations obtained from diffraction information. These investigations allow to establish a correlation between grain morphology, orientation dependent grain boundary properties and growth behavior in these highly anisotropic materials. Together with energy and mobility data gathered in conventional metallographical analysis, they serve as input for a 3D vertex dynamics model3.
Original languageEnglish
Title of host publicationDevelopments in Strategic Materials and Computational Design III - 36th International Conference on Advanced Ceramics and Composites, ICACC 2012
PublisherAmerican Ceramic Society
Publication date2013
Pages127-137
ISBN (Print)9781118206003
DOIs
Publication statusPublished - 2013
Event36th International Conference on Advanced Ceramics and Composites - Daytona Beach, FL, United States
Duration: 22 Jan 201227 Jan 2012
Conference number: 36

Conference

Conference36th International Conference on Advanced Ceramics and Composites
Number36
Country/TerritoryUnited States
CityDaytona Beach, FL
Period22/01/201227/01/2012
SeriesCeramic Engineering and Science Proceedings
Number10
Volume33
ISSN0196-6219

Keywords

  • Ceramic materials
  • Design
  • Grain boundaries
  • Integrated control
  • Microstructure
  • Strategic materials
  • Stress intensity factors
  • Strontium titanates
  • Three dimensional
  • Three dimensional computer graphics
  • Tomography
  • X ray diffraction
  • Grain growth

Fingerprint

Dive into the research topics of 'Combining x-ray diffraction contrast tomography and mesoscale grain growth simulations in strontium titanate: An integrated approach for the investigation of microstructure evolution'. Together they form a unique fingerprint.

Cite this