Blood sealing properties of magnetic fluid seals

Jun Tomioka*, Norifumi Miyanaga

*この研究の対応する著者

研究成果: Article査読

5 被引用数 (Scopus)

抄録

Shaft seals for rotary blood pumps have strong demands for low friction, very little leakage, and long-term use. Magnetic fluid seals have attracted attention as promising candidates for this purpose owing to their properties of having zero leakage, no wear, and relatively small viscous friction at the same time. In this study, the sealing performance including the maximum sealing pressure and the sealing durability under blood sealing is discussed. In addition, hemolysis tests for blood sealed by magnetic fluids are performed from the viewpoint of biological compatibility. The magnetic fluid seals are found to have adequate sealing durability and pressure resistance in the blood. In addition, hemolysis of blood sealed with the organic-solvent magnetic fluid seals is maintained below 0.5%.

本文言語English
ページ(範囲)338-343
ページ数6
ジャーナルTribology International
113
DOI
出版ステータスPublished - 2017 9

ASJC Scopus subject areas

  • 材料力学
  • 機械工学
  • 表面および界面
  • 表面、皮膜および薄膜

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