Electrophoretic deposition and laser cladding of bioglass coating on Ti

Xue, Beijing, Guo, Litong, Chen, Xiaoyuan, Fan, Yu, Ren, Xuanru, Li, Baoe, Ling, Yihan and Qiang, Yinghuai (2017) Electrophoretic deposition and laser cladding of bioglass coating on Ti. Journal of Alloys and Compounds, 710 663-669. doi:10.1016/j.jallcom.2017.03.209

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Author Xue, Beijing
Guo, Litong
Chen, Xiaoyuan
Fan, Yu
Ren, Xuanru
Li, Baoe
Ling, Yihan
Qiang, Yinghuai
Title Electrophoretic deposition and laser cladding of bioglass coating on Ti
Journal name Journal of Alloys and Compounds   Check publisher's open access policy
ISSN 0925-8388
Publication date 2017-07-05
Sub-type Article (original research)
DOI 10.1016/j.jallcom.2017.03.209
Open Access Status File (Author Post-print)
Volume 710
Start page 663
End page 669
Total pages 7
Place of publication Amsterdam, Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract
Bioglass coatings derived from electrophoretic deposition method were fused on Ti surface by laser cladding process using a continuous CO2 laser. The specimens were studied by field-emission scanning electron microscopy, X-ray diffraction and bonding tests. Titanium oxide layer with hierarchical structures consisting of submicron rows of leaf-like embossments and nano-pores was obtained by combining acid etching and anodization processes, which increased the surface roughness of Ti. When heat-treatment temperature was 700 °C and high, CaSiO3 phase began to crystallize from the bioglass matrix and the crystallinity reached its maximum at 700 °C. During the electrophoretic deposition process, porous bioglass coatings composed of bioglass particles and fibers were deposited on Ti surface. Bioglass coatings with similar hierarchical structure containing submillimeter bioglass beads and microfibers were synthesized on Ti surface by laser fusion. There are no obvious microcracks at the interface of the Ti-coating, which revealed the good bonding between Ti-porcelain. With the laser scanning distance decreased, the bond strength increased accordingly. After only one day immersion in SBF, calcium phosphate began to precipitate on the bioglass coating's surfaces. The thickness of the calcium phosphate precipitation and the amount of microparticles increased with immersion time.
Keyword Biomaterials
Electrophoretic deposition
Laser processing
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: HERDC Pre-Audit
Australian Institute for Bioengineering and Nanotechnology Publications
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