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Laser sealing and thermal shock resistance of 6.5 wt% yttria Partially stabilized zirconia plasma sprayed layers | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 27, Issue 6, 2009, Pages 1039-1048 PDF (370.42 K) | ||
| DOI: 10.30684/etj.27.6.2 | ||
| Author | ||
| Mohammed Jasim Kadhim | ||
| Abstract | ||
| Laser sealing of zirconia-6.5 wt% yttria partially stabilized zirconia (YPSZ) plasma sprayed layers were examined for both plan views and transverse sections. Scanning electron microscopy (SEM) has been used extensively to characterize the general features and microstructure of the layers under optimum laser processing conditions. The laser beam is shown to be effective in modified the plasma sprayed layers by sealing the porosity and decrease the roughness. Thermal shock resistance test reveals that sealed layers have been an excellent resistance to cracks formation parallel to the surface. | ||
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