TY - GEN
T1 - In vitro bioactivity test of FA added with TiO2 of different phases coated on Ti-6Al-4V substrates by Nd-YAG laser cladding process
AU - Chien, Chi Sheng
AU - Ko, Yu Sheng
AU - Kuo, Tsung Yuan
AU - Liao, Tze Yuan
AU - Hong, Ting Fu
AU - Lee, Tzer Min
N1 - Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
PY - 2011
Y1 - 2011
N2 - Hydroxyapatite (HA) is a frequently used bioactive coating material. However, when HA coating is soaked in the simulated body fluid (SBF), it is usually detached from substrate material due to its high dissolution rate in the solution. Recently, it is found that Fluorapatite (FA) has a better anti-dissolution ability than HA. In this study, Fluorapatite was mixed with TiO2 powder (either Anatase phase (A) or Rutile phase (R)) as a coating material precursor, and then be deposited on Ti-6Al-4V substrate to form the coating layer by using Nd-YAG laser cladding process. After soaking in SBF for various days, it is observed that dense ball-like apatite grew faster on the surface of the FA+R coating layer than that on the surface of the FA+A specimens. The corresponding Ca/P ratios of FA+R specimens also dropped faster than FA+A ones.
AB - Hydroxyapatite (HA) is a frequently used bioactive coating material. However, when HA coating is soaked in the simulated body fluid (SBF), it is usually detached from substrate material due to its high dissolution rate in the solution. Recently, it is found that Fluorapatite (FA) has a better anti-dissolution ability than HA. In this study, Fluorapatite was mixed with TiO2 powder (either Anatase phase (A) or Rutile phase (R)) as a coating material precursor, and then be deposited on Ti-6Al-4V substrate to form the coating layer by using Nd-YAG laser cladding process. After soaking in SBF for various days, it is observed that dense ball-like apatite grew faster on the surface of the FA+R coating layer than that on the surface of the FA+A specimens. The corresponding Ca/P ratios of FA+R specimens also dropped faster than FA+A ones.
UR - http://www.scopus.com/inward/record.url?scp=79961218507&partnerID=8YFLogxK
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U2 - 10.4028/www.scientific.net/AMR.287-290.2225
DO - 10.4028/www.scientific.net/AMR.287-290.2225
M3 - Conference contribution
AN - SCOPUS:79961218507
SN - 9783037851920
T3 - Advanced Materials Research
SP - 2225
EP - 2229
BT - Applications of Engineering Materials
T2 - 2011 International Conference on Advanced Engineering Materials and Technology, AEMT 2011
Y2 - 29 July 2011 through 31 July 2011
ER -