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Plasma spray of biofunctional (Mg, Sr)-substituted hydroxyapatite coatings for titanium alloy implants
Cao, Lei; Ullah, Ihsan; Li, Na; Niu, Shiyu; Sun, Rujie; Xia, Dandan; Yang, Rui; Zhang, Xing
2019-05-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:5Pages:719-726
AbstractPlasma-sprayed hydroxyapatite (HA) coatings have been widely utilized in load-bearing titanium alloy implants. In this study, Mg, Sr co-substituted HA ((Mg, Sr)-HA) nano-scale powders have been synthesized, which are further used to prepare (Mg, Sr)-HA coatings on Ti-6Al-4V alloys in order to improve the biological functions. The average size of (Mg, Sr)-HA nano particles is similar to 75 nm. The average bonding strength for (Mg, Sr)-HA coating and samples after heat treatment at 500 degrees C or 600 degrees C for 3h are 26.17 +/- 2.11 MPa, 36.07 +/- 4.48 MPa and 37.07 +/- 2.95 MPa, respectively. There is a significantly increase of bonding strength likely due to low residual stress after heated treatment. MC3T3-E1 cells show a high proliferation rate when cultured with (Mg, Sr)-HA coating extract compared to the normal culture medium, which also exhibit large extension and deposition of extracellular matrices when adhered on the coating surfaces. Thus, these (Mg, Sr)-HA coatings show high bonding strength and improved biological functions, which offer promising future applications in the fields of orthopedics and dentistry. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordPlasma spray Hydroxyapatite Titanium alloys Biological functions Bonding strength
Indexed BySCI
Language英语
WOS IDWOS:000460640200003
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/81144
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Cao, Lei,Ullah, Ihsan,Li, Na,et al. Plasma spray of biofunctional (Mg, Sr)-substituted hydroxyapatite coatings for titanium alloy implants[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(5):719-726.
APA Cao, Lei.,Ullah, Ihsan.,Li, Na.,Niu, Shiyu.,Sun, Rujie.,...&Zhang, Xing.(2019).Plasma spray of biofunctional (Mg, Sr)-substituted hydroxyapatite coatings for titanium alloy implants.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(5),719-726.
MLA Cao, Lei,et al."Plasma spray of biofunctional (Mg, Sr)-substituted hydroxyapatite coatings for titanium alloy implants".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.5(2019):719-726.
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