Nb/sub 2/Al
H<sub>2</sub> Sensor Based on Au/TiO<sub>2</sub> Nanoparticles by Flame Made
... Noble metals supported on oxides are used in many applications in the paintings, cosmetics, pharmaceuticals, ceramics, electronics, photocatalysts, and sensors. Flame spray synthesis is investigated as a method for ...
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Mechanical Properties of a Ti Nb Al Shape Memory Alloy
... crystallographic relationship. Then, the development of texture should be effective to increase the apparent trans- formation strain available practically. In our previous work, we have investigated microstructures and ...
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The effect of precipitation and microstructure on hot ductility in high Al, Nb containing TRIP steels
... The simplified cooling path in the test, as well as the lower segregation alters the precipitate size, morphology and kinetics as well as the phase transformation temperatures [17, 39]. The effectiveness of various ...
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Influence of Content of Al2O3 on Structure and Properties of Nanocomposite Nb B Al O films
... the sputtering gas in order to deposit films. Si substrates were cleaned in an ultrasonic agitator in acetone and etha- nol for 15 min and dried using compressed air before be- ing placed into the chamber. Subsequently, ...
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Optimization of casting process parameters for synthesis of Al Nb B master alloy
... the Al-Nb-B master alloy for stirred and unstirred ...containing Nb and some unreacted salts, as supported by the K peaks shown in EDX on the particles, in ...
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Elastic-plastic Cyclic FEA of Thinned Tight Radius Pipe Elbows
... one 2½” NPS CANDU outlet feeder to determine the minimum acceptable uniform wall thickness ...III Sub- section NB-3200 Design by Analysis is ...
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Grain growth behaviour on reheating Al Nb containing steel in the homogenised condition
... for Nb to diffuse a distance corresponding to half of the SDAS ~ 75 µm, according to previous studies by Kundu 27 ...in 2%-nital (2 ml HNO 3 in 98 ml ethanol) to reveal the ...
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Orthodontic Tooth Movement in Rats Using Ni Free Ti Based Shape Memory Alloy Wire
... The purpose of this study was to evaluate the performance and the usefulness of a newly developed Ni-free Ti-based shape memory alloy (SMA) wire in orthodontic tooth movement by comparing with a nickel-titanium (Ni-Ti) ...
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Effect of Al Addition on Superelastic Properties of Aged Ti Nb Zr Al Quaternary Alloys
... were subjected to loading-unloading tensile tests using a strain gauge extensometer at room temperature, where a strain rate was at 5 © 10 ¹4 s ¹1 , to observe superelastic or shape memory behavior. The cross section of ...
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Solid Solution Hardening and Precipitation Hardening of α2 Ti3Al in Ti Al Nb Alloys
... Ingots (1.1 kg) of α-Ti alloys with nominal compositions Ti-15Al-2Nb and Ti-15Al-2Nb-0.5Si (at%) were produced using the cold-crucible levitation melting method. The in- gots were α-forged at 900C and groove-rolled to ...
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Influence of Atomic Size Factors on the Phase Stability of Laves Phase in Nb Cr Ni Al and Nb V Ni Al Phase Diagrams
... the Nb-V-NiAl system, there are two conceivable substi- tution or defect behaviors that cause the direction of the sol- ubility lobe of the C14 phase to be only slightly deviated to- ward the V corner from the ...
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Hot ductility of high Al TWIP steels containing Nb and Nb-V
... of Nb in a HSLA steel would from previous work often [9] make casting ...High Al containing and Nb free, TWIP steels also show poor ductility when the S level exceeds ¬ ...[5]. Nb additions ...
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Structural Stability and Dehydrogenation of (MgH2+Al, Nb) Powder Mixtures during Mechanical Alloying
... et al. 8) have identified that the presence of other additives, such as Al, Li, Mn, Ti, V, Y and Zr, improves the hydrogen storage properties of Mg to some ...
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Usefulness of the CHADS<sub>2</sub> and R<sub>2</sub>CHADS<sub>2</sub> scores for prognostic stratification in patients with coronary artery disease
... CHADS 2 and R 2 CHADS 2 scores. The CHADS 2 nomenclature represents congestive heart failure (C), HT (H), age (A), DM (D), and stroke ...CHADS 2 score was calculated by assigning one ...
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Aluminide Coating on Niobium by Arc Surface Alloying
... schematically illustrated in Fig. 2. The dimensions of the base metal and the reactant metal were 20 mm 20 mm 5 mm and 15 mm 15 mm 3 mm, respectively. The arc conditions were 200 volts and 100 amperes. The period ...
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Studies on SnCl<sub>2</sub> doped TiO<sub>2</sub> photocatalyst for Pyrocatechol Photodegradation
... Using UVC irradiation for pyrocatechhol photodegradation in Fig. 5-6, it showed that the photodegradation increased as the time increased conversely. Among 3 control experiments were TiDark, UVC and TiUVC, and the 3 ...
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Effect of Nb on Transformation Kinetics and Mechanical Properties in Zr Al Ni Cu Metallic Glasses
... affinities with the major element of Zr. Pd has a very strong affinity with Zr. Meanwhile, Nb has a positive mixing enthalpy with Zr, which might bring the phase separation or local ordering tendency upon annealing. ...
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<p>Eco-Friendly and Systematic Study for Synthesis of La<sup>3+</sup>/α-Al<sub>2</sub>O<sub>3</sub> Nanoparticles: Antibacterial Activity Against Pathogenic Microbial Strains</p>
... nanoparticles. 2 In today ’ s modern life human beings have been exposed to the in fl uence of different bacteria, tissue respiration, chemical reaction, magnetic waves and other ...
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The Monitoring of H<sub>2</sub>S and SO<sub>2</sub> Noxious Gases from Industrial Environment with Sensors Based on Flame Spray Made SNO<sub>2</sub> Nanoparticles
... and response/recovery time of sensing films can considerably be affected by the particle morphology, size and distribution as well as operating temperature. The main advantage of FSP includes ability to produce ...
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On-chip hybrid superconducting-semiconducting quantum circuit
... Throughout the structure, the nominal growth rate was kept uniform. Before growing the 75% InAlAs buffer, growth was interrupted (to stabilise the indium cell). To avoid impurity accumulation, because of growth ...
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