Güncel Gönderiler: Metalurji ve Malzeme Mühendisliği
Toplam kayıt 158, listelenen: 141-158
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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 ... -
Properties and tribological performance of ceramic-base chromium and vanadium carbide composite coatings
(Elsevier, 2019)In the current study, the surface of AISI D2 steel was coated with the powder blends of ferro-vanadium (Fe-V) and ferro-chromium (Fe-Cr). The coatings were performed using a thermo-reactive diffusion (TRD) treatment by the ... -
Microstructural and mechanical properties of friction stir welded pure lead
(National Institute of Science Communication and Information Resources (NISCAIR), 2018)The present study focuses on the applicability of friction stir welding to pure Pb plates. The joint performances are evaluated by optical microscopy, microhardness measurements, notch impact tests and three point bending ... -
Determination of natural line widths of Kα X-ray lines for some elements in the atomic range 50≤Z≤65 at 59.5 keV
(American Institute of Physics Inc., 2017)The semi-empirical determination of natural widths of K alpha X-ray lines (K alpha 1 and K alpha 2) were performed for Si), Sb, Te, I, Ba, La, Ce, Pr, Nd, Sm, Eu, Gd and Tb. For the semi-empirical determination of the line ... -
The Ratios of Emission Probabilities of Auger electrons for 3d Transition elements at 59,5 keV
(American Institute of Physics Inc., 2017)The ratios of emission probabilities were determined by using the measured K shell X-ray intensity ratio values for elements from Sc to Zn. For the experimental measurements, the samples were excited by 59.5 keV gamma rays ... -
Performance of two low-cost GPS receivers for ground speed measurement under varying speed conditions
(Springer, 2017)A global positioning system (GPS) receiver is an important sensor used in modern farming, particularly in precision agriculture to determine geographic location and ground speed. The aim of this study was to investigate ... -
The investigation of K-shell fluorescence parameters of Zn-Fe alloys with different grain size and microstrain values
(Wiley, 2017)It is known that zinc alloys with iron group metals have better corrosion resistance than pure zinc. Owing to the corrosion resistance of these alloys, Zn-Fe coatings are widely used in automotive industry and have excellent ... -
Effect of borotitanizing on microstructure and wear behavior of Inconel 625
(Elsevier, 2017)Inconel 625, a nickel-based superalloy, is used in a wide range of applications including the marine and petroleum industries under where it is subjected to harsh conditions such as high temperatures and highly corrosive ... -
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), ... -
Effect of long processing time on microstructure and transport properties of Fe1.1Se alloy produced by chemical vapor transport (CVT) technique
(Springer, 2018)In this work we present physical, electrical and magnetic properties of beta-Fe1.1Se single crystalline alloys produced by chemical vapor transport technique using short (120 h) and long (700 h) heating processes. The best ... -
L-1, L-2, and L-3 subshell fluorescence yields: Updated database and new empirical values
(Elsevier, 2016)In this paper, a summary of experimental data published in the period of time between 1955 to february-2016 was presented in a tabular form for L, subshell fluorescence yields (omega(L1), omega(L2) and omega(L3)) taken ... -
Empirical K-Shell Production Cross Sections Induced by 2-5 MeV Alpha on Elements of Z= 25 to 30
(American Institute of Physics Inc., 2018)During the last decades, the study of phenomena occurring in collisions between charged particles and target atoms has grown to a field of increasing interest in both its theoretical and experimental aspects. This growing ... -
The Investigation of K Shell X-Ray Fluorescence Parameters for Sulphur Atom in Different 1, 2, 4-Triazoles
(Office Spectroscopy and Spectral Analysis, 2017)The measurement of K shell fluorescence parameters is an easy and practical way to investigate the electronic structures of elements in alloys, compounds or complexes. Since the number of valence electrons will change the ... -
Alkali activation of electric arc furnace slag: Mechanical properties and micro analyzes
(Elsevier, 2019)Research on sustainable concrete has drawn scientist's attentions on industrial by-products and wastes. Thus, consumption of raw materials would be diminished. In this study alkali activation of electric arc furnace slag ... -
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 ... -
The semi-empirical determination of KLL Auger, Kα1 and Kα2 X-ray line widths for sulfur atom in new 1,2,4-triazol compounds containing thiophene ring
(Elsevier Science, 2018)In this study K-alpha 1, K-alpha 2 and KLL Auger line widths were determined semi-empirically by using K shell fluorescence yields of sulfur even if K-alpha X-ray lines cannot be resolved in our detector system. The samples ... -
Effects of blanking speed on the shear surface of mild steel (St37)
(Polish Academy of Sciences, 2016)Blanking operation is widely used to cut sheet or plates by a shearing process between punch and die. The process of shearing and the conditions of the sheared surface are influenced by the punch, the die, the speed of ... -
Thermoluminescence properties of strontium doped magnesium tetraborate
(Elsevier, 2019)It is worth to continuous and systematic investigations related with magnesium tetraborate (MBO) due to its attractive candidate for dosimetric application. The study was done to develop new phosphor with adding strontium ...
