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Mechanical properties and Young's modulus of plasma-sprayed hydroxyapatite coating on Ti substrate in simulated body fluid by Y. C. Yang; Edward Chang; S. Y. Lee is a Engineering article available to read on EtoBox.
What is Mechanical properties and Young's modulus of plasma-sprayed hydroxyapatite coating on Ti substrate in simulated body fluid about?
## Abstract This study evaluated the Young's modulus, residual stress and strain, bonding strength, and microstructure of the plasma‐sprayed hydroxyapatite coating (HAC) on Ti6Al4V substrate with and without immersion in Hank's balanced salt solution (HBSS). The purpose was to explore the possible correlation of HAC durability and mechanical properties of the coating. The results show that the residual stress and strain, Young's modulus, and bonding strength of the HAC after immersion in HBSS are substantially decreased. The decayed Young's modulus and mechanical properties of HACs are accounted for by the degraded interlamellar or cohesive bonding in the coating due to the increased porosity after immersion that weakens the bonding strength of coating and substrate system. The biologic implications of the research are discussed in detail. This study contributes to the arguments that the method to alleviate the dissolution of HAC will increase the bonding strength of the coating system after immersion, which together with the controlled residual stress and strain in the coating might promote the long‐term stability of the HA‐coated implant. © 2003 Wiley Periodicals, Inc. J Biomed M
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- Author
- Y. C. Yang; Edward Chang; S. Y. Lee
- Publisher
- John Wiley and Sons; Wiley (John Wiley & Sons); Heterocorporation; Wiley (ISSN 0021-9304)
- Published
- 2003
- Language
- EN
- Field
- Engineering (Physical Sciences)