A review of very-high-temperature Nb-silicide-based composites

BP Bewlay, MR Jackson, PR Subramanian… - … materials transactions A, 2003 - Springer
… in the development of Nb-silicide–based in-situ … Nb-silicide in-situ composite consisting of
(Nb), Nb5Si3, and a Cr2Nb type Laves phase. The composite is based on a composition of Nb-…

[PDF][PDF] Some features of the Nb-N and Nb-NO systems

N Schönberg - Acta chem. scand., 1954 - actachemscand.org
Nb dissolves up to about 2 at.-% of N, the lattice constant increasing from a= 3.301 Á to a=
3.303 Á. The NbNo. 4o-o. 6o phase is of the common" interstitial" structure type with the metal …

[HTML][HTML] A survey on LPWA technology: LoRa and NB-IoT

RS Sinha, Y Wei, SH Hwang - Ict Express, 2017 - Elsevier
… (NB)-IoT and long range (LoRa) are two leading technologies. In this paper, we provide a
comprehensive survey on NB-IoT … Meanwhile, licensed NB-IoT offers benefits in terms of QoS, …

Significance of Nb/Ta as an indicator of geochemical processes in the crust-mantle system

TH Green - Chemical geology, 1995 - Elsevier
… in Nb/Ta Some Archaean gneisses appear to have high Nb/Ta… of the crust which has a
relatively low Nb/Ta, such as crustal-… high and variable Nb, Ta contents, often with low Nb/Ta. A …

Effects of Nb and Al on the microstructures and mechanical properties of high Nb containing TiAl base alloys

ZC Liu, JP Lin, SJ Li, GL Chen - Intermetallics, 2002 - Elsevier
… High Nb addition also reduces the degradation rate of FL microstructure after exposure at …
of high Nb addition are related to the change of the directionality of Ti–Ti (Nb) and Nb–Al …

Strength and toughness of a Nb/Nb5Si3 composite

MG Mandiratta, DM Dimiduk - Metallurgical transactions. A, Physical …, 1993 - inis.iaea.org
Nb-Si system, the two-phase Nb/Nb 5 Si 3 microstructures exhibit excellent thermochemical
stability and resistance to coarsening up to 1500 C. In addition, these Nb/Nb … the wrought Nb-…

Recent advances in nanostructured Nb-based oxides for electrochemical energy storage

L Yan, X Rui, G Chen, W Xu, G Zou, H Luo - Nanoscale, 2016 - pubs.rsc.org
Nb–O peak intensity in O-Li x Nb 2 O 5 is higher than that of the NbNb peak, whereas in
T-Li x Nb 2 O 5 , the NbNb peak intensity is much higher than that of the Nb–O peak, due to …

Superconductivity in Nb–Ge films above 22 K

JR Gavaler - Applied Physics Letters, 1973 - pubs.aip.org
… with the crystallization of the Nb-Ge {3-W phase in a nonstoichiometric ratio of - 3. 3 Nb/1 Ge.
… were able to prepare Nb-Ge bulk samples which were closer to the desired 3 Nb/1 Ge ratio. …

A tutorial on NB-IoT physical layer design

M Kanj, V Savaux, M Le Guen - IEEE Communications Surveys …, 2020 - ieeexplore.ieee.org
… In this article, we address the Release 13 of the NB-IoT 3rd … and uplink physical channels
at the NB-IoT base station side … features added to the NB-IoT system in Releases 14 and 15. …

The Nb-Si (niobium-silicon) system

ME Schlesinger, H Okamoto, AB Gokhale… - Journal of Phase …, 1993 - Springer
… (Nb), although the exact level is less certain. Figure 2 shows the solubility limits of Si in (Nb) …
The single data point reported by [65Gol] is the only existing measurement for (Nb) solidus …