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Browsing by Subject "RESISTANCE"

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Analysis of the high-temperature dry sliding behavior of CoCrFeNiTi0.5Alx high-entropy alloys

Erdogan, Azmi; Gok, Mustafa Sabri; Zeytin, Sakin (SPRINGER, 2020)

In this study, CoCrFeNiTi0.5Alx high-entropy alloys were produced by induction melting and their dry sliding wear behavior was examined at different temperatures. In addition to face-centered cubic (FCC) phases, low amounts ...
Characterization of pack-siliconized 31CrMoV9 steel

Efe, Gozde C.; Yener, Tuba; Altinsoy, Ibrahim; Ipek, Mediha; Bindal, Cuma; Zeytin, Sakin (ICE PUBLISHING, 2020)

The present study reports on iron (Fe) silicides produced on 31CrMoV9 steel by using the pack-cementation method. Pack siliconizing was carried out using metallic silicon (Si), ammonium chloride (NH4Cl) and alumina (Al2O3) ...
Comparison of the effect of basalt and glass fibers on the fracture energy of asphalt mixes using semi-circular bending test

Serin, S; Önal, Y; Emiroglu, M; Demir, E (2023)

This paper has focused on the effect of basalt and glass fibers in HMA in terms of crack formation and damage mechanisms. The experimental study was carried out under two stages; i) defining optimum fiber lengths and rates ...
Effect of electroless Ni-B and Ni-W-B coatings on the corrosion-fatigue behaviour of 7075 Al alloy

Yildiz, Rasid Ahmed; Genel, Kenan; Gulmez, Turgut (ELSEVIER SCI LTD, 2021)

This research experimentally determines the effect of electroless Ni-B and Ni-W-B coatings on the fatigue and corrosion-fatigue life of 7075 Al alloy substrate. SEM, XRD, fracture toughness and potentiodynamic polarization ...
Effect of laser re-melting on electric current assistive sintered CoCrFeNiAlxTiy high entropy alloys: Formation, micro-hardness and wear behaviors

Erdogan, Azmi; Doleker, Kadir Mert; Zeytin, Sakin (ELSEVIER SCIENCE SA, 2020)

CoCrFeNiAlxTiy high entropy alloys were produced by electric current assistive sintering (ECAS) method and their surfaces were then subjected to laser re-melting. Microstructure, hardness, and wear behaviors were investigated ...
Evaluation of wear and corrosion behavior of electroless Ni-B-P/CNT composite coatings on aluminum surfaces

Gul, H; Algul, H; Akyol, A; Uysal, M; Alp, A (2023)

The study investigated the effect of incorporating CNTs into Ni-B-P composite coatings, deposited on aluminum surfaces, at varying CNT concentrations. The study aimed to evaluate the effect of CNT reinforcement on the ...
Investigation of the Surface Degradation Properties of Aluminized Super Austenitic Stainless Steel

Doleker, KM; Erdogan, A; Yener, T (2023)

The intermetallic compounds formed on the surface of a substrate via the aluminizing process significantly affect its hardness and oxidation characteristics. In this study, 904L super austenitic stainless steel (904L) was ...
Optimization of 5-aminolevulinic acid-based photodynamic therapy protocol for breast cancer cells

Eskiler, Gamze Guney; Ozkan, Asuman Deveci; Kucukkara, Elif Sozen; Kamanli, Ali Furkan; Gunoglu, Busra; Yildiz, Mustafa Zahid (ELSEVIER, 2020)

Background: Photodynamic therapy (PDT) is a therapeutic strategy for the treatment of cancer. 5-aminolevulinic acid (5-ALA) as a precursor of the protoporphyrin IX (PpIX) has a great potential for PDT application. Although ...
Prospective analysis of febrile neutropenia patients with bacteraemia: the results of an international ID-IRI study

Erdem, H; Kocoglu, E; Ankarali, H; El-Sokkary, R; Hakamifard, A; Karaali, R; Kulzhanova, S; El-Kholy, A; Tehrani, HA (2023)

Objectives: Bacteraemia during the course of neutropenia is often fatal. We aimed to identify factors predicting mortality to have an insight into better clinical management.Methods: The study has a prospective, observational ...
Pulsed electrodeposition of Ni-B/TiN composites: effect of current density on the structure, mechanical, tribological, and corrosion properties

Dogan, Fatih; Uysal, Mehmet; Duru, Erhan; Akbulut, Hatem; Aslan, Serdar (TAYLOR & FRANCIS LTD, 2020)

Ni-B/TiN composite coatings with different current densities (1.5, 3.0, 4.5, and 6.0 A/dm(2)) have been successfully produced on a mild steel substrate using the pulsed electrodeposition (PED) method. The effect of current ...
Residual load bearing capacity and failure mechanism of impacted high-strength reinforced concrete shear beams

Dok, Gokhan; Caglar, Naci; Ilki, Alper; Yilmaz, Cemal (PERGAMON-ELSEVIER SCIENCE LTD, 2021)

An experimental study was performed to determine the dynamic structural response of high strength reinforced concrete (RC) beams exposed to impacts of various energies. The residual load-bearing capacities of the impacted ...
The effect of restoration thickness and resin cement shade on the color and translucency of a high-translucency monolithic zirconia

Bayindir, Funda; Koseoglu, Merve (MOSBY-ELSEVIER, 2020)

Statement of problem. Information regarding the influence of cements and material thickness on the final color of monolithic zirconia restorations is lacking. Purpose. The purpose of this in vitro study was to examine the ...
Treatment of ventilator-associated pneumonia (VAP) caused by Acinetobacter: results of prospective and multicenter ID-IRI study

Erdem, Hakan; Cag, Yasemin; Gencer, Serap; Uysal, Serhat; Karakurt, Zuhal; Harman, Rezan; Aslan, Emel; Mutlu-Yilmaz, Esmeray; Karabay, Oguz; Uygun, Yesim; Ulug, Mehmet; Tosun, Selma; Dogru, Arzu; Sener, Alper; Dogan, Mustafa; Hasbun, Rodrigo; Durmus, Gul; Turan, Hale; Batirel, Ayse; Duygu, Fazilet; Inan, Asuman; Akkoyunlu, Yasemin; Celebi, Guven; Ersoz, Gulden; Guven, Tumer; Dagli, Ozgur; Guler, Selma; Meric-Koc, Meliha; Oncu, Serkan; Rello, Jordi (SPRINGER, 2020)

Ventilator-associated pneumonia (VAP) due to Acinetobacter spp. is one of the most common infections in the intensive care unit. Hence, we performed this prospective-observational multicenter study, and described the course ...