Erişim şekli için "info:eu-repo/semantics/openAccess" Makale Koleksiyonu listeleme
Toplam kayıt 37, listelenen: 1-20
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Application of thermo-chemical electrolytic plasma technology in AISI 316-L stainless steel surface treatment
(Gazi Üniversitesi, 2022)Electrolytic Plasma Technology has been used to improve the surface properties of AISI-316L Steel. Electrolytes were selected from water-soluble inorganic salts containing interstitial elements such as N and C. High ... -
Boride Layer Growth Kinetics Of Aisi H13 Steel Borided With Nano-Sized Powders
(Polish Academy Sciences, Institute Metallurgy & Materials Sciences, 2018)Growth kinetics of boride layers in AISI H13 steel was investigated using the pack bonding method at temperatures of 1073, 1173 and 1273 K (800 degrees C, 900 degrees C and 1000 degrees C) for periods of 2, 4 and 6 h with ... -
A Comparative Study on Characterization and High-Temperature Wear Behaviors of Thermochemical Coatings Applied to Cobalt-Based Haynes 25 Superalloys
(MDPI, 2023)This study investigated the characteristic properties of aluminizing, boronizing, and boro-aluminizing coatings grown on Haynes 25 superalloys and their effects on the high-temperature wear behavior. The coating processes ... -
Detail investigation of thermoelectric performance and magnetic properties of Cs-doped Bi2Sr2Co2Oy ceramic materials
(Springer, 2021)Bi2Sr2-xCsxCo2Oy materials with 0 <= x <= 0.15, have been fabricated via the classical ceramic technique. XRD results have indicated that undoped and Cs-substituted samples are composed of Bi2Sr2Co2Oy phase as the major ... -
Determination of Barreling of Aluminum Solid Cylinders During Cold Upsetting Using Genetic Algorithm
(UNIV FED RIO DE JANEIRO, LAB HIDROGENIO, 2019)This study presents Genetic Programming models for the formulation of barreling of aluminum solid cylinders during cold upsetting based on experimental results. The maximum and minimum radii of the barreled cylinders having ... -
Development of novel inhibitive water-based drilling muds for oil and gas field applications
(Elsevier, 2022)The aim of this study is to develop inhibitive drilling fluid systems generated from waste materials that can contribute to the reduction of potential well instability problems caused by drilling fluid based on rheological ... -
Dynamic transition of nanosilicon from indirect to direct-like nature by strain-induced structural relaxation
(AIP Advances, 2021)Silicon nanoclusters exhibit light emission with direct-like ns-mu s time dynamics; however, they show variable synthesis and structure, optical, and electronic characteristics. The widely adopted model is a core-shell in ... -
Electrochemical α-fetoprotein immunosensor based on Fe3O4NPs@covalent organic framework decorated gold nanoparticles and magnetic nanoparticles including SiO2@TiO2
(Springer, 2022)The early diagnosis of major diseases such as cancer is typically a major issue for humanity. Human alpha-fetoprotein (AFP) as a sialylated glycoprotein is of approximately 68 kD molecular weight and is considered to be a ... -
Emerging Methods of Monitoring Volatile Organic Compounds for Detection of Plant Pests and Disease
(MDPI, 2022)Each year, unwanted plant pests and diseases, such as Hendel or potato soft rot, cause damage to crops and ecosystems all over the world. To continue to feed the growing population and protect the global ecosystems, the ... -
Experimental Verification of Cell Shape-Collapse Relationships in Metallic Foams by Photoelasticity Method
(Gazi University, 2019)In the present study, the effect of cell morphology on mechanical properties in metallic foams with Al based closed cells was examined. AlSi8Mg0.8 alloyed metallic foam materials were produced by the Powder Metallurgy (PM) ... -
Farklı bor kimyasalları ile borlanmış Inconel 625 alaşımının karakterizasyonu
(Pamukkale Üniversitesi Mühendislik Bilimleri Dergisi, 2017)Bu çalışmada, nikel bazlı süper alaşımlar içerisinde endüstride yaygın olarak kullanılan Inconel 625 alaşımı 3 farklı borlama tozu ile borlanmıştır. Kullanılan borlama tozları, %90 elementel nano bor tozu + %10 NaBF4 (NB), ... -
The Improving of B2 Aluminium Composite Panel Core Material With Eloxal Sludge By Using Recycling Process
(Technical University of Kosice, 2022)In this study, it is aimed to improving core material by using eloxal sludge for production B2 composite panel. The calcination study of eloxal sludge which arises from anodic oxidation process has a highest Al2O3 percentage ... -
Industrial scale extrusion performance of cryogenically processed DIN 100 Cr6 and DIN 21NiCrMo2 steels
(CSIC Consejo Superior de Investigaciones Cientificas, 2022)The effects of diferent heat and cryogenic (sub-zero) treatment parameters such as temperature and holding time on the microstructure (amount of retained austenite) and hardness of extrusion molds produced from the 21NiCrMo2 ... -
Investigation of mechanical and microstructural performance of alkali activated electrical arc furnace slag mortars
(International Advanced Researches and Engineering Journal, 2019)The production of Portland cement, resulting in the release of CO2 gas, excessive energy and natural resource consumption, has led to search for alternative materials with similar physical and mechanical properties to the ... -
Investigation of the effect of addition of Ce (Cerium) to Mg-4Sb-2Al alloy produced by high pressure die casting method
(Gazi Üniversitesi, 2022)Purpose: In this study, it was produced with HPDC by adding Cerium rare element to Mg-4Sb-2Al alloy. The effect of Ce on mechanical properties was explained by the theories of microstructural transformation and new phase ... -
Investigation on impact and DWTT resistance at low temperatures in Nb and Ti micro alloy steels
(Pamukkale Üniversitesi, 2023)Depending on the climatic conditions in which they are used, new generation petroleum pipe steels come up with the need for high strength and excellent toughness. During the transportation of oil and natural gas, these ... -
Investigations on machinability of Al2O3 reinforced Al6061 metal matrix composites
(Süleyman Demirel Üniversitesi Fen Bilimleri Enstitüsü Dergisi, 2016)In this study, six different MMCs containing Al6061 matrix and Al2O3reinforcements with particle sizes of 32 µm and 66 µm and weight fraction of 10%, 15% and 20% were produced using the vortex method. Machinability ... -
Ionization-induced optical heterogeneity and ion-like direct emission in 1-nm silicon nanoparticle grains: Prospect for fast optical modulation
(American Institute of Physics Inc., 2022)Silicon, a highly symmetric and homogeneous material, does not exhibit fast optical modulation. Recent classical electrodynamics simulations, however, demonstrated transient optical heterogeneity in silicon nanostructures, ... -
Iron oxide-Si nanoparticle magnetic core-shell induced by the interaction of d-orbitals of Fe2+ with reconstructed Si dimer-like defects
(American Institute of Physics Inc., 2020)Redox-type charge exchange between Si nanoparticles and aqueous metal ions m(x+) was recently used to synthesize core-shell nanocomposites in which their functionalities have been integrated. The process requires the ... -
Key properties of inorganic thermoelectric materials-tables (version 1)
(IOP Publishing Ltd, 2022)This paper presents tables of key thermoelectric properties, which define thermoelectric conversion efficiency, for a wide range of inorganic materials. The twelve families of materials included in these tables are primarily ...