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Biaxial flexural strength and phase transformation of Ce-TZP/Al2O3 and Y-TZP core materials after thermocycling and mechanical loading
Güngör, Merve Bankoğlu; Yılmaz, Handan; Aydın, Cemal; Nemli, Seçil Karakoca; Bal, Bilge Turhan; Tıraş, Tülay (Korean Acad Prosthodontics, 2014)PURPOSE. The purpose of the present study was to evaluate the effect of thermocycling and mechanical loading on the biaxial flexural strength and the phase transformation of one Ce-TZP/Al203and two Y-TZP core materials. ... -
Buffer effects on the mosaic structure of the HR-GaN grown on 6H-SiC substrate by MOCVD
Arslan, Engin; Öztürk, Mustafa K.; Tıraş, Engin; Tıraş, Tülay; Özçelik, Süleyman; Özbay Ekmel (Springer, 2017)High-resistive GaN (> 10(8) a"broken vertical bar cm) layers have been grown with different buffer structures on 6H-SiC substrate using metalorganic chemical vapor deposition reactor. Different combination of the GaN/AlN ... -
Effect of fatigue on biaxial flexural strength of bilayered porcelain/zirconia (Y-TZP) dental ceramics
Yılmaz, Handan; Nemli, Seçil Karakoca; Aydın, Cemal; Bal, Bilge Turhan; Tıraş, Tülay (Elsevier Sci LTD, 2011)Objectives. The aim of this study was to evaluate the effect of fatigue on biaxial flexural strength of bilayered disks of two Y-TZP cores. Methods. Twenty bilayered veneer/zirconia disks were fabricated from each material ... -
Effect of fatigue on fracture toughness and phase transformation of Y-TZP ceramics by X-ray diffraction and Raman spectroscopy
Nemli, Seçil Karakoca; Yılmaz, Handan; Aydın, Cemal; Bal, Bilge Turhan; Tıraş, Tülay (Wiley-Blackwell, 2012)The aim of this study was to evaluate the effect of fatigue on fracture toughness and phase transformation of yttria-stabilized zirconia polycrystal materials (Cercon and Lava). The specimens were tested for indentation ...
