Nb-Al/sub 2/O-Nb
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) ...
6
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, ...
8
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 ...
10
Behavior of Nb and Cu Nb Composites under Severe Plastic Deformation and Annealing
... implies nucleation and growth of new grains, does not occur in this case, as the grain sizes in general do not increase. The specimen subjected to HPT by 10 revolutions demonstrates quite a different behavior, i.e. with ...
12
Second-generation proteasome inhibitor carfilzomib sensitizes neuroblastoma cells to doxorubicin-induced apoptosis
... Carfilzomib (CFZ) is a novel proteasome inhibitor that has already been approved by the FDA for treating the relapsed and refractory multiple myeloma in July of 2012 [33–36]. Prior studies demonstrated that CFZ ...
12
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 ...
6
Observation of anomalous Meissner screening in Cu/Nb and Cu/Nb/Co thin films
... higher-purity Nb target ...the Nb mean-free path of about 25% compared to ...the Nb single-layer thin films expel the least field while the Cu=Nb=Co trilayer thin films expel the ...the ...
5
Morphological Properties of Titanium-Niobium Alloys with Different Compositions on Glass Substrate
... and Nb ions. The ionic radii of Nb ions is greater than Ti ions (Ti= ...that Nb ions are being incorporated into ...increasing Nb concentration in alloys which in turn modifies the film ...
13
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 ...
5
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 ...
23
Effect of Nb on Microstructural Characteristics of Ti Nb Ta Zr Alloy for Biomedical Applications
... Figure 1 shows an SEM micrograph of ( β +α ) microstruc- ture of Ti–29Nb–13Ta–4.6Zr alloy solution treated at 790 ◦ C for 1 h followed by water quenching. X-ray diffraction anal- ysis showed the presence of (020), (111) ...
6
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 ...
10
Precipitation of Icosahedral Phase in Zr Ni Nb Cu Al Metallic Glasses
... Zr-Ni- Nb-Cu-Al metallic glasses and the decrease of Ni content enhances the formation of I-phase from amorphous ...Zr-Ni-Nb-Cu- Al glassy ...
5
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 ...
32
Effect of Nitrogen Addition on Superelasticity of Ti Zr Nb Alloys
... The shape memory effect and superelastic behavior of Ti- Zr-Nb-N alloys were investigated. Figure 1 shows the stress- strain curves of Ti-18Zr-(1216)Nb, Ti-18Zr-(1215)Nb- 0.5N and ...
5
Phase Equilibria in Nb W rich Zone of the Nb W Si Ternary System
... The investigated compositions are listed in Table 1. Start- ing raw materials were elemental powders with the purity of 99.9 mass%Nb, 99.9 mass%W and 99.999 mass%Si. About 20 g buttons were arc melted using a ...
6
Observation of anomalous Meissner screening in Cu/Nb and Cu/Nb/Co thin films
... While the experimental results on the Nb and Cu/Nb thin films may be somewhat surprising, i.e. the flux ex- pulsion of a mesoscopic superconductor can be enhanced by adding a normal metal to it, it is ...
6
High Temperature Deformation of ZrC Particulate Reinforced Nb Mo W Composites
... particles are quite different. It appears that the reduction of grain size due to the presence of ZrC particles results in increasing the threshold stress for intergranular cleavage failure at elevated temperatures. As a ...
5
Aggregating Correlated Naive Predictions to Detect Network Traffic Intrusion
... mapping strategy. A large proportion of testing flows will be labelled as unknown by the semi supervised method when a small size of supervised training set is available. Erman’s semi supervised method is implemented ...
5
Mechanical Properties and Phase Stability of Ti Nb Ta Zr O Alloys
... behavior in the specimens with lower niobium (33% to 34%) and higher oxygen (0.5%) contents are similar to those of the alloy with basic composition; these specimens showed little work hardening and non-linearity in the ...
7