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铁道科学与工程学报

JOURNAL OF RAILWAY SCIENCE AND ENGINEERING

Vol. 11    No. 5    October 2001

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Preparation of Ti6Al4V/BG/HA
graded coating by electrophoresis
deposition in absolute alcohol medium
LI Shi-pu(李世普),  CHEN Xiao-ming(陈晓明),
  HAN Qing-rong(韩庆荣),  XU Chuan-bo(许传波)

Biomedical Materials and Engineering Center,
Wuhan Universityof Technology, Wuhan 430070, P.R.China

Abstract:A codeposition of bioglass (BG) and hydroxyapatite (HA) on the substrate Ti6Al4Vis realized in a nonaqueous solution system by inducing crystallization of HA on surface of the BG grain and electrophoresis deposition (EPD), and then a bioactive graded ceramic coating was obtained after sintering of the coating. This technique is a new method for making bioactive graded coating. The adhesive strength between the coating and the substrate reaches 18MPa, and the better electrophoresis depositing parameters and optimal sintering procedure are obtained.

 

Key words:  hydroxyapatite; bioglass; electrophoresis deposition; graded coating; titanium alloy

ISSN 1672-7029
CN 43-1423/U

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