[G] Biomaterials Development and Clinics

1:30 PM - 1:45 PM JST(4:30 AM - 4:45 AM UTC)

[176] Effect of Zn on the dissolution of ultra-high purity Mg produced by vacuum distillation

*Kazuma SASAKI¹, Kyosuke UEDA², Makoto INOUE³, Taiki NAKATA⁴, Takahiro MINETA⁵, Takayuki NARUSHIMA² (1. Graduate School of Engineering, Tohoku University (M), 2. Graduate School of Engineering, Tohoku University, 3. National Institute of Technology, Toyama College, 4. Graduate School of Engineering, Nagaoka University of Technology, 5. Graduate School of Science and Technology, Hirosaki University)

Keywords:

Mg合金,高純度,生体内溶解性インプラント,溶解性

超高純度Mg-xZn合金(x=0, 0.4, 0.9, 3.0mass%)を作製し超高純度Mgの溶解性に及ぼすZnの影響を調査した。浸漬試験の結果、3.0Zn材は不均一溶解によりMgイオン溶出量が高かった一方で0, 0.4, 0.9材は極めて低かった。