Başlık için Malzeme Bilimi ve Mühendisliği Bölümü listeleme
Toplam kayıt 444, listelenen: 158-177
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Fabrication and microstructural stability of spark plasma sintered Al2O3/Er3Al5O12 eutectic
(Elsevier Sci LTD, 2015)Al2O3-Er3Al5O12 (BAG) eutectic was prepared by a arc melting process under Ar atmosphere. Button shaped melts, containing fine sized irregular eutectic structures of 'Chinese script', with interpenetrated Al2O3 and EAG ... -
Fabrication of functionally graded SiAlON ceramics by tape casting
(Blackwell Publishing, 2006)Functionally graded SiAlON ceramics (FG-SiAlONs) were successfully prepared by the tape casting and lamination approach. Non-aqueous SiAlON slurries with five different alpha to beta-SiAlON ratios (85 alpha:15 beta, 70 ... -
Fabrication of in situ Ni(W)-WC nano composites via mechanical alloying and spark plasma sintering
(2012)Microstructural and mechanical properties of spark plasma sintered Ni-30 wt% W powders fabricated via mechanical alloying (MA) for 48 h were reported in the present study. Due to the intensive WC contamination during MA, ... -
Fast pyrolysis of sesame stalk: yields and structural analysis of bio-oil
(Elsevier Science BV, 2004)Sesame stalk pyrolysis experiments were conducted in a fixed-bed reactor in an attempt to determine the effects of pyrolysis temperature, particle size, heating rate and sweeping gas (N-2) flow rate on the product yields ... -
Fe-Cr siyah seramik pigment üretiminde ferrokrom kullanımı
(2010)Bu çalışmada, saf oksitlere göre daha ucuz hammaddeler laıllanarak. porselen karo bünyeleri için siyah Fe-Cr hematit pigmentlerin üretimi ve karalüerizasyonu amaçlanmıştır. Hematit ve ferrokrom ile üretilen pigmentlerin ... -
Ferromagnetic resonance and X-ray reflectivity studies of pulsed DC magnetron sputtered NiFe/IrMn/CoFe exchange bias
(2012)Ferromagnetic resonance and X-ray specular reflectivity measurements were performed on Ni81Fe19/Ir20Mn80/ Co90Fe10 exchange bias trilayers, which were grown using the pulsed-DC magnetron sputtering technique on Si(100)/SiO2(1000 ... -
First-principles investigation of titanium doping into beta-SiAlON crystal in TiN-SiAlON composites for EDM applications
(Elsevier Science Sa, 2015)Following the experimental work on the incorporation of titanium into beta-SiAlON crystal in TiN-SiAlON composites for electrical discharge machining (EDM) applications, Ti doping mechanisms in beta-Si6-z AlzOzN8-z have ... -
Fixed-bed catalytic pyrolysis of cotton-seed cake: Effects of pyrolysis temperature, natural zeolite content and sweeping gas flow rate
(Elsevier Sci LTD, 2006)Catalyzed pyrolysis of cotton-seed cake was studied under different experimental conditions. Variables investigated were pyrolysis temperature, zeolite content and sweeping gas flow rate. Experiments were carried out ... -
A flextensional piezo-composite structure for energy harvesting applications
(Elsevier Science Sa, 2014)A piezoelectric energy harvester (PEH) consisting of two cymbal electromechanical transducers and a cantilever beam structure designed and manufactured. The PEH under test is a novel design that aims to keep the transducers ... -
FMR study of ultrahigh vacuum e-beam evaporated Co 23Cu 77 nanogranular films: Magnetotransport properties
(2006)The magnetic, magnetotransport and structural properties of Co 23Cu 77 granular thin films (7-43 nm) have been investigated using ferromagnetic resonance (FMR) and high-resolution XRD techniques. Co particles possess a ... -
Formation of ?-SiAlON ceramics containing scandium
(2004)?-SiAlON is able to accommodate cations into its crystal structure if the cations are sufficiently small in size, thus helping to reduce the volume of the remnant grain boundary phase after processing. Lutetium with an ... -
Formation of alpha-SiAlON ceramics containing scandium
(Trans Tech Publications LTD, 2004)alpha-SiAlON is able to accommodate cations into its crystal structure if the cations are sufficiently small in size, thus helping to reduce the volume of the remnant grain boundary phase after processing. Lutetium with ... -
Fracture behaviour of magnesia and magnesia-spinel composites before and after thermal shock
(Elsevier Sci LTD, 2004)Microstructural changes, as a consequence of the thermal expansion mismatch between magnesia and spinel phases, and fracture behaviour of magnesia and spinel composites have been investigated as a function of spinel content ... -
Fracture toughness of alumina/lanthanum titanate laminate composites with a weak interface
(Elsevier Science BV, 2007)Layers of lanthanum titanate (La2Ti2O7) and alpha-alumina (alpha-Al2O3) were employed to form a layered composite in order to improve the fracture toughness of monolithic alumina. The composites were produced by two different ... -
Functionally graded SiAlON ceramics
(Elsevier Sci LTD, 2004)Functionally graded SiAlON ceramics were developed by three different methods to improve the mechanical properties of SiAlONs; powder bed, rapid cooling and laminating. beta-SiAlON compacts were embedded in two different ... -
Fundamentals for optimization of binding for high refractory mullite products
(Trans Tech Publications LTD, 2004)Properties of the binder matrix affect the quality of the refractory. Better qualities are possible if the binding is optimum. Mechanical properties, thermal shock resistance, creep and corrosion behaviour of the mullite ... -
Gamma and neutron shielding behavior of spark plasma sintered boron carbide-tungsten based composites
(Minerals, Metals and Materials Society, 2016)In this study gamma and neutron attenuation properties of boron carbide-tungsten (B4C-W) based composites were investigated. B4C-W based composites were produced by spark plasma sintering (SPS) method. W additions were 5%, ... -
Gamma Attenuation Behavior of h-BN and h-BN-TiB2 Composites
(Polish Acad Sciences Inst Physics, 2014)Hexagonal boron nitride (h-BN) and hexagonal boron nitride-titanium diboride (h-BN-TiB2) composites are advanced materials for high-tech applications. They were investigated against gamma radioisotope sources Cs-137 and ... -
Glass-ceramic glazes in the CaO-SiO2 system
(Trans Tech Publications LTD, 2004)Glass ceramic glazes were developed in the system of CaO-SiO2 system. Compositions containing B2O3 and K2O as fluxing agent were melted at 1450degreesC and fritted. Glazes for porcelain tiles were formulated by using these ... -
Growth mechanism and magnetic and electrochemical properties of Na0.44MnO2 nanorods as cathode material for Na-ion batteries
(Elsevier Science Inc, 2015)Nanorods of Na0.44MnO2 are a promising cathode material for Na-ion batteries due to their large surface area and single crystalline structure. We report the growth mechanism of Na(0.44)Mno(2) nanorods via solid state ...
