Preparation and properties of high purity Mg-Y biomaterials

Publikation: Beiträge in ZeitschriftenZeitschriftenaufsätzeForschungbegutachtet

Authors

  • Qiuming Peng
  • Yuanding Huang
  • Le Zhou
  • Norbert Hort
  • Karl Ulrich Kainer

An effective zone solidification method has been found to prepare high purity Mg-Y biomaterials. The corrosion and mechanical properties of the purified middle region are improved remarkably compared with common casting method. The average gain size and secondary dendrite space decrease from the top layer to the bottom layer of the ingot. The oxides, defects and precipitates are mainly enriched in the top layer of the ingot under the impulsion of high thermal gradient. These results are in agreement with that simulated by finite elemental method using FLOW-3D software. It is confirmed that the mode of scallop symmetric solidification attributes to the purifying process. This zone solidification method not only contributes to high purity Mg-based biomaterials, but also provides a new approach to prepare high performance Mg alloys.

OriginalspracheEnglisch
ZeitschriftBiomaterials
Jahrgang31
Ausgabenummer3
Seiten (von - bis)398-403
Anzahl der Seiten6
ISSN0142-9612
DOIs
PublikationsstatusErschienen - 01.2010
Extern publiziertJa

DOI

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