Nanotube Morphology Change of Ti-Ta-Zr Alloy as Zr Content

  • Kim, Won-Gi (Chosun University, 2nd Stage of Brain Korea 21 for College of Dentistry) ;
  • Choe, Han-Cheol (Chosun University, 2nd Stage of Brain Korea 21 for College of Dentistry) ;
  • Ko, Yeong-Mu (Chosun University, 2nd Stage of Brain Korea 21 for College of Dentistry)
  • 발행 : 2008.11.19

초록

Nanotube morphology change of Ti-Ta-Zr alloy as Zr content increase has been researched using various experimental methods. Ti-Ta-Zr(3, 7 and 15 wt%) alloys were prepared by arc melting and nano-structure controlled for 24 hr at $1000^{\circ}C$ in argon atmosphere. Formation of oxide nanotubes are conducted by anodizing a Ti-Ta-Zr alloy in $H_3PO_4$ electrolytes with small amounts of fluoride ions at room temperature. Electrochemical experiments were carried out with conventional three-electrode configuration with a platinum counter electrode and a saturated calomel reference electrode. The samples were embedded with epoxy resin, leaving a square surface area of $10mm^2$ exposed to the anodizing electrolyte, 1.0M $H_3PO_4$ containing 0.8wt% NaF.

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