Paper Title:
Effect of Temperature on Induction Heating Deposited Monetite Coating on H2O2-Treated C/C Composites Treated by Alkaline Hydrothermal Method
  Abstract

The effect of alkaline hydrothermal temperature on the transformation of induction heating deposited monetite coatings to hydroxyapatite coatings on the H2O2 treated C/C composite was investigated. These monetite coatings were hydrothermally treated for 4h at 353K, 373K and 393K in a 50ml autoclave with 0.1M alkaline solution. After hydrothermal post-treatment, the structure, morphology and the chemical composition of these HA coatings were characterized with XRD, FTIR, SEM and EDS. A scratch test was conducted to measure the strength of the adhesion of the coatings to the HT-C/C substrate. The results showed that only part of hydroxyapatite phases at 393K could be transformed from the monetite coatings on HT-C/C substrate, while pure hydroxyapatite phases were observed to form in the as-converted coatings with critical loads of 45.9N and 51.1N respectively when the alkaline hydrothermal post-treatment treating temperatures were 353K and 373K. The reasons for these results were suggested.

  Info
Periodical
Edited by
Honghua Tan
Pages
378-383
DOI
10.4028/www.scientific.net/AMM.66-68.378
Citation
X. B. Xiong, C. C. Chu, J. F. Huang, "Effect of Temperature on Induction Heating Deposited Monetite Coating on H2O2-Treated C/C Composites Treated by Alkaline Hydrothermal Method", Applied Mechanics and Materials, Vols. 66-68, pp. 378-383, 2011
Online since
July 2011
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