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Könönen, M. et al.

Testing of metal-ceramic joint using scanning acoustic microscopy.

The objective of the investigation was to compare the results obtained from examination of titanium-porcelain joints by means of both scanning acoustic microscopy (C-SAM) and scanning electron microscopy (SEM). A dental porcelain (Ducera, Dental GmbH) mechanically compatible with titanium was fired to sand-blasted or electrolytically polished commercially pure titanium (grade 1) specimens. The firing was carried out in an ordinary dental furnace according to manufacturer's instructions. There was a good correlation between the C-SAM and SEM methods regarding the ability to detect air-filled defects in the porcelain/titanium interface. The results show that the C-SAM method, being non-destructive as well as time-and-money-saving, can be useful in the testing of metal-ceramic joints.[1]

References

Testing of metal-ceramic joint using scanning acoustic microscopy. Könönen, M., Kivilahti, J. Dental materials : official publication of the Academy of Dental Materials. (1991) [Pubmed]

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