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Author Lobo, A. O. ♦ Otubo, J. ♦ Matsushima, J. T. ♦ Corat, E. J.
Source SpringerLink
Content type Text
Publisher Springer US
File Format PDF
Copyright Year ©2010
Language English
Subject Domain (in DDC) Technology ♦ Engineering & allied operations
Subject Keyword crystallinity ♦ electrodeposition ♦ nano-hydroxyapatite ♦ NiTi SMA ♦ Materials Science ♦ Tribology, Corrosion and Coatings ♦ Characterization and Evaluation of Materials ♦ Quality Control, Reliability, Safety and Risk ♦ Engineering Design
Abstract Nano-hydroxyapatite (n-HA) crystalline films have been developed in this study by electrodeposition method on NiTi shape memory alloy (SMA). The electrodeposition of the n-HA films was carried out using 0.042 mol/L Ca(NO$_{3}$)$_{2}$ · 4H$_{2}$O + 0.025 mol/L (NH$_{4}$) · 2HPO$_{4}$ electrolytes by applying a constant potential of −2.0 V for 120 min and keeping the solution temperature at 70 °C. The characterization of n-HA films is of special importance since bioactive properties related to n-HA have been directly identified with its specific composition and crystalline structure. AFM, XRD, EDX, FEG-SEM and Raman spectroscopy shows a homogeneous film, with high crystallinity, special composition, and bioactivity properties (Ca/P = 1.93) of n-HA on NiTi SMA surfaces. The n-HA coating with special structure would benefit the use of NiTi alloy in orthopedic applications.
ISSN 10599495
Age Range 18 to 22 years ♦ above 22 year
Educational Use Research
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2010-09-08
Publisher Place Boston
e-ISSN 15441024
Journal Journal of Materials Engineering and Performance
Volume Number 20
Issue Number 4-5
Page Count 5
Starting Page 793
Ending Page 797

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Source: SpringerLink