Search Results - "Evis, Z."

Characterization by Fourier transform infrared spectroscopy of hydroxyapatite co-doped with zinc and fluoride by Uysal, I., Severcan, F., Evis, Z.

“…Pure and Zn2+ and/or F− doped hydroxyapatite (HA) were synthesized by the precipitation method and detection of ion incorporations into the HA structure was…”
Get full text

Thermal history and microstructure during friction stir welding of Al–Mg alloy by Sheikh-Ahmad, J. Y., Ozturk, F., Jarrar, F., Evis, Z.

“…In this study, a commercial aluminum–magnesium alloy was friction stir welded (FSW) at a constant rotational speed of 1016 rpm and different welding speeds…”
Get full text

Microstructure, microhardness, and biocompatibility characteristics of yttrium hydroxyapatite doped with fluoride by Toker, S. M., Tezcaner, A., Evis, Z.

“…The current study focused on doping of hydroxyapatite (HA) with constant yttrium (Y3+) and varying fluoride (F−) compositions to investigate its…”
Get full text

Hydroxylapatite-zirconia composites: Thermal stability of phases and sinterability as related to the CaO-ZrO2 phase diagram by EVIS, Z, ERGUN, C, DOREMUS, R. H

“…Composites of hydroxylapatite (HA) with pure zirconia, and 3 and 8% Y2O3 in zirconia, were pressure-less sintered at temperatures from 900 to 1300 deg C, and…”
Get full text

Hydroxylapatite-zirconia composites: Thermal stability of phases and sinterability as related to the CaO-ZrO2phase diagram by Evis, Z., Ergun, C., Doremus, R. H.

“…Composites of hydroxylapatite (HA) with pure zirconia, and 3 and 8% Y2O3 in zirconia, were pressure-less sintered at temperatures from 900 to 1300∘C, and…”
Get full text

Reactions in hydroxylapatite–zirconia composites by Evis, Zafer

“…Sintered composites of hydroxylapatite (HA) and zirconia were studied with X-ray diffraction and scanning electron microscopy (SEM). Addition of zirconia…”
Get full text

Silver and fluoride doped hydroxyapatites: Investigation by microstructure, mechanical and antibacterial properties by Turkoz, Mustafa, Atilla, Aykan Onur, Evis, Zafer

“…Hydroxyapatite co-doped with Ag+ and F− ions was synthesized by the precipitation method and sintered at 1100°C for 1h. Samples were characterized by density,…”
Get full text

Effects of surface pretreatments and coating period on hydroxyapatite coating of Ti6Al4V alloy by Hacioglu, T., Evis, Z., Tezcaner, A., Aydınol, M. K.

“…In this study, Ti6Al4V plates were gone through three steps of pretreatment process (sandblasting + acid etching + preheating) followed by biomimetic coating…”
Get full text

Improvements in microstructural, mechanical, and biocompatibility properties of nano-sized hydroxyapatites doped with yttrium and fluoride by Basar, Burcin, Tezcaner, Aysen, Keskin, Dilek, Evis, Zafer

“…Hydroxyapatite was doped with Y 3+ (2.5, 5 and 7.5 mol%) and F − (2.5 mol%) ions (2.5YFHA, 5YFHA, 7.5YFHA, respectively) to compare its structural and…”
Get full text

Effect of calcium fluoride on mechanical behavior and sinterability of nano-hydroxyapatite and titania composites by Kutbay, Işıl, Yilmaz, Bengi, Evis, Zafer, Usta, Metin

“…Composites of nano-hydroxyapatite (HA) – titania (TiO2) with or without calcium fluoride (CaF2) were synthesized and sintered at 900°C, 1100°C, and 1300°C. The…”
Get full text

Improvement in sinterability and phase stability of hydroxyapatite and partially stabilized zirconia composites by Evis, Zafer, Usta, Metin, Kutbay, Isil

“…Composites of hydroxyapatite with partially stabilized zirconia with MgO or MgF 2 were pressureless sintered between 1000 °C and 1300 °C. The reactions and…”
Get full text

Effect of YF3 on the phase stability and sinterability of hydroxyapatite—Partially stabilized zirconia composites by Aykul, Anıl, Kutbay, Isil, Evis, Zafer, Usta, Metin

“…Pure hydroxyapatite (HA), HA and partially stabilized zirconia composites (PSZ) with YF3 and HA–PSZ composite containing 5wt% PSZ without YF3 were sintered in…”
Get full text

X-ray investigation of sintered cadmium doped hydroxyapatites by Evis, Zafer, Yilmaz, Bengi, Usta, Metin, Levent Aktug, Salim

“…Pure and cadmium (Cd) doped hydroxyapatites (HA, Ca10(PO4)6(OH)2) were synthesized by a precipitation method from aqueous solutions of Ca(NO3)24·H2O for the…”
Get full text

Hot-pressed hydroxylapatite/monoclinic zirconia composites with improved mechanical properties by EVIS, Zafer, DOREMUS, Robert H

“…Composites of hydroxylapatite (HA) and monoclinic zirconia were hot-pressed at 1100 °C and 1200 °C under vacuum to study the phase transformations and the…”
Get full text

Coatings of hydroxyapatite — nanosize alpha alumina composites on Ti-6Al-4V by Evis, Zafer, Doremus, Robert H.

“…Composites of hydroxyapatite (HA) and nanosize-alpha-(α)-Al2O3 with 5 wt.% CaF2 were coated on Ti-6Al-4V rods by cold pressing and sintered in air or argon…”
Get full text

Effect of ZrF4 on hot-pressed hydroxyapatite/monoclinic zirconia composites by Evis, Zafer, Doremus, Robert H.

“…Composites of 25 wt% monoclinic zirconia and 75 wt% hydroxyapatite (HA) (with and without 5 wt% ZrF4) were hot pressed to investigate their mechanical…”
Get full text

Effect of MgF2 on hot pressed hydroxylapatite and monoclinic zirconia composites by EVIS, Zafer, DOREMUS, Robert H

“…Hydroxylapatite (HA) has been widely used in biomedical applications because of its excellent biocompatibility in the human body. A total of 25 wt% monoclinic…”
Get full text

Hydroxylapatite-zirconia composites: Thermal stability of phases and sinterability as related to the CaO-ZrO sub(2)phase diagram by Evis, Z, Ergun, C, Doremus, R H

“…Composites of hydroxylapatite (HA) with pure zirconia, and 3 and 8% Y sub(2)O sub(3) in zirconia, were pressure-less sintered at temperatures from 900 to 1300…”
Get full text