In situ synchrotron radiation diffraction during melting and solidification of Mg-Al alloys containing CaO

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

  • B. Wiese
  • C. L. Mendis
  • D. Tolnai
  • G. Szakacs
  • A. Stark
  • N. Schell
  • H. P. Reichel
  • R. Bruckner
  • K. U. Kainer
  • N. Hort

Previous investigations show that CaO additions have an effect on the microstructure and mechanical properties of commercial Mg alloys. Addition of CaO to pure Mg and Mg alloys results in the dispersion of Ca in the molten and solid Mg with no evidence of CaO. This paper reports on the reactions between Mg, Al and CaO measured by means of in situ synchrotron radiation diffraction during melting and solidification. The experiment was conducted on Mg-3A1 wt% with CaO concentrations between 3 wt% and 10 wt% to study the effect of different Al:CaO ratios. The initial sample contained Mg, Al and CaO in powder state, pressed to cylindrical samples. The melting, the solidification and associated phase transformations were measured in a Bahr 805A/D dilatometer inside a sealed stainless steel crucible at the High Energy Materials Science Beamline P07 at PETRA III, DESY.

Original languageEnglish
Title of host publicationMagnesium Technology 2014 - Held During TMS 2014 143rd Annual Meeting and Exhibition
EditorsMartyn Alderman, Michele V. Manuel, Nobert Hort, Neale R. Neelameggham
Number of pages5
PublisherThe Minerals, Metals & Materials Society
Publication date02.2014
Pages191-195
ISBN (print)9781118888162
ISBN (electronic)9781118888179
DOIs
Publication statusPublished - 02.2014
Externally publishedYes
Event143rd Annual Meeting and Exhibition of Magnesium Technology 2014 - TMS 2014 - San Diego, CA, United States
Duration: 16.02.201420.02.2014
Conference number: 143
https://www.tms.org/meetings/annual-14/am14proceedings.aspx

    Research areas

  • CaO, Diffraction, In situ, Intermetallic phases, Magnesium alloy
  • Engineering

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