Grain morphology and mechanical strength of high-melting-temperature intermetallic joints formed in asymmetrical Ni/Sn/Cu system using transient liquid phase soldering process

2017 ◽  
Vol 723 ◽  
pp. 1026-1031 ◽  
Author(s):  
H.J. Dong ◽  
Z.L. Li ◽  
X.G. Song ◽  
H.Y. Zhao ◽  
J.C. Yan ◽  
...  
2016 ◽  
Vol 37 (10) ◽  
pp. 851-857 ◽  
Author(s):  
Malte Winnacker ◽  
Michael Neumeier ◽  
Xiaohan Zhang ◽  
Christine M. Papadakis ◽  
Bernhard Rieger

2018 ◽  
Vol 96 (12) ◽  
pp. 1079-1086 ◽  
Author(s):  
Molla R. Islam ◽  
Shakiba Azimi ◽  
Faranak Teimoory ◽  
Glen Loppnow ◽  
Michael J. Serpe

In this investigation, we show that RNA can be separated from a solution containing DNA and RNA and the isolated RNA can be detected using poly (N-isopropylacrylamide-co-N-(3-aminopropyl) methacrylamide hydrochloride) microgel-based optical devices (etalons). The isolation of RNA was accomplished by using hairpin-functionalized magnetic beads (MMPDNA) and differential melting, based on the fact that the DNA–RNA hybrid duplex is stronger (i.e., high melting temperature) than the DNA–DNA duplex (i.e., low melting temperature). By performing concurrent etalon sensing and fluorescent studies, we found that the MMPDNA combined with differential melting was capable of selectively separating RNA from DNA. This selective separation and simple colorimetric detection of RNA from a mixture will help lead to future RNA-based disease diagnostic devices.


2010 ◽  
Vol 132 (12) ◽  
pp. 124511 ◽  
Author(s):  
Noah Kastelowitz ◽  
Jessica C. Johnston ◽  
Valeria Molinero

2011 ◽  
Vol 402 ◽  
pp. 249-252 ◽  
Author(s):  
De Gang Ma ◽  
Wei Qing Chen

To predict the effect of Fe2O3 on slag splashing properties in the nickel smelting converter, Factsage software was used to calculate the proportion of the liquid phase and the viscosity for MgO-FeO-Fe2O3-SiO2 melts, the melting temperature was measured using slag column deformation, and the microstructure was also observed. The results show that, when the content of Fe2O3 is increased from 13.79% to 24.14%, the liquid phase at 1250°C maintains a high proportion of 82.68% and the melting temperature is below 1200°C; The magnetite and hortonolite with high melting points are considerably increased, and the viscosity rises accordingly. The melting and viscous properties for the slag with high content of Fe2O3 were improved by adding MgO. Desired slag splashed layer was formed with the saturated Fe2O3 and MgO slag.


1995 ◽  
Vol 10 (2) ◽  
pp. 240-242 ◽  
Author(s):  
Toshiyuki Nishimura ◽  
Mamoru Mitomo

Phase relationships in the system Si3N4−SiO2−Yb2O3 have been investigated at 1750 °C and compared with those in the system Si3N4−SiO2−Y2O3. Two types of ytterbium silicon oxynitride, Yb2Si3O3N4 (tetragonal) and Yb4Si2O7N2 (monoclinic), were confirmed to exist. The x-ray powder diffraction data of two compounds were indexed based on the space group and unit cells. Melting temperature of Yb4Si2O7N2 was determined as 1870 °C. Yb4Si2O7N2 is a better intergranular phase of silicon nitride ceramics for its high melting temperature.


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