z.ahmed

ALZAHRAA ALI ABD ELMOULA

Lecturer - teacher

Faculty of science

Address: جامعة سوهاج- كلية العلوم-قسم الفيزياء

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Publications Which contain the keyword: Hardness

Single session vs two sessions of flexible ureterosopy (FURS) for dusting of renal pelvic stones 2-3 cm in diameter: Dose stone size or hardness play a role in number of sessions to be applied?"

2018-10-14 12:40:42 Keywords Hardness, FURS,
Single session vs two sessions of flexible ureterosopy (FURS) for dusting of renal pelvic stones 2-3 cm in diameter: Dose stone size or hardness play a role in number of sessions to be applied?"
TO EVALUATE Single session vs two sessions of flexible ureterosopy (FURS) for dusting of renal pelvic stones 2-3 cm in diameter: Dose stone size or hardness play a role in number of sessions to be applied?" Read more

Properties of Titanium Oxynitride Prepared by RF Plasma

2018-09-30 11:29:42 Keywords Plasma Oxynitriding, Titanium, Corrosion, , Wear, , Hardness, , Surface Energy and Wettability,
Properties of Titanium Oxynitride Prepared by RF Plasma
Titanium oxynitrides combine the properties of metallic oxides and nitrides. In this presentation, titanium was oxynitrided using inductively coupled RF plasma in a gas mixture containing 80% N2 and 20% O2. The effect of plasma-processing power from 350 up to 550 W on microstructure, mechanical, tribological, wettability and electrochemical properties of the oxynitrided titanium was examined using different characterizations and ... Read more

Void-mediated coherency-strain relaxation and impediment of cubic-to-hexagonal transformation in epitaxial metastable metal/semiconductor TiN/Al0.72Sc0.28N multilayers

2018-09-26 10:34:46 Keywords TEM, Multilayer Films, Hardness,
Void-mediated coherency-strain relaxation and impediment of cubic-to-hexagonal transformation in epitaxial metastable metal/semiconductor TiN/Al0.72Sc0.28N multilayers
Bulk metastable phases can be stabilized during thin-film growth by employing substrates with similar crystal structure and lattice parameter, albeit over a thickness range limited by coherency-strain relaxation. Expanding that strategy, growth of superlattices comprising one stable and another metastable compound with similar crystal structure and lattice parameters are known to yield epitaxial stabilization over a few nanometers of thickness. ... Read more

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