Chinese Journal of Tissue Engineering Research ›› 2010, Vol. 14 ›› Issue (16): 2953-2957.doi: 10.3969/j.issn.1673-8225.2010.16.026

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Effect of interaction of chemo-mechanics on the microstructure and properties of thermal-sprayed bioactive coatings

Liang Jia-chun, Wang Wei-ze, Xuan Fu-zhen   

  1. Key Laboratory of Safety Science of Pressurized System, Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai  200237, China
  • Online:2010-04-16 Published:2010-04-16
  • Contact: Wang Wei-ze, Doctor, Associate professor, Key Laboratory of Safety Science of Pressurized System, Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China wangwz@ecust.edu.cn
  • About author:Liang Jia-chun★, Studying for master’s degree, Key Laboratory of Safety Science of Pressurized System, Ministry of Education, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, China
  • Supported by:

    the National Natural Science Foundation of China, No. 50805048*; the Natural Science Foundation of Shanghai, No. 08ZR1405700*; Young Teacher Foundation of Education Ministry of China, No. 200802511008*

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Abstract:

BACKGROUND: With the bio-coated prosthesis implanted in the body by a complex interaction of chemo-mechanics, the cases of clinical revision increased.
OBJECTIVE: To summarize the research progress of effect of interaction of chemo-mechanics on the microstructure and properties of thermal-sprayed bioactive coatings.
METHODS: The relevant articles were retrieved from Elsevier with the key words of “apatite, coating, spraying” in English between January 1999 to November 2009. Meanwhile, the relevant articles were searched from database of Vip Information with the key words of “apatite, coating, spraying” in Chinese between January 1989 to November 2009. The articles that were highly related to the effect of chemo-mechanics on the microstructure and properties of thermal-sprayed bio-coatings were collected. The repetitive researching results and those with weak correlation were excluded.
RESULTS AND CONCLUSION: It was shown that loading affected the dissolution of bio-coatings significantly. Tensile stress promoted the dissolution, while compressive stress inversely. In addition, the mechanical properties decreased after immersion in simulation body fluid. Moreover, the mechanical properties increased when it was implanted in bone tissue. However, there were only investigation of microstructure and properties of bio-coatings under simple loading. The coupling effect of complex loading, such as tension, torsion and fatigue, etc., and the specific chemical environment on the bio-coatings should be studied in order to ensure the integrity of its structure and properties. 

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