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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Role of Voltage and Gas Pressure in Determining the Mean Diameter of Sn-Bi-Ag Intermetallic Compound Nanoparticles Formed by Pulsed Wire Discharge
Dae Geol Jeong, Jae Min Cha, Dae Sung Kim, Ju Hyeong Kim, Hwa Jin Jeong, Jae Young Shin, Jun Hyeon Bae, Bong Ki Ryu, Hisayuki Suematsu, Kenta Tanaka
Korean J. Met. Mater.
2017;55(11):806-812. Published online 2017 Oct 31
DOI:
https://doi.org/10.3365/KJMM.2017.55.11.806
Abstract
Nanoscale Sn-Bi-Ag compound powders were successfully synthesized using the pulsed wire discharge (PWD) method. In PWD, when a high current is passed through high-density metal wires, the wires explode because of resistance heating, forming fine particles or metal vapor. In this study, we used Sn-Bi and Ag wires in order.....
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Material Analysis & Characterization
Structural Analysis of Three-Component Nanoparticles of Sn-58Bi and Cu Wires Prepared by Pulsed Wire Discharge
Jong Hwan Kim, Dae Sung Kim, Hisayuki Suematsu, Kenta Tanaka, Bong Ki Ryu
Korean J. Met. Mater.
2017;55(1):72-76. Published online 2017 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2017.55.1.72
Abstract
We used Sn-58Bi and Cu wires to investigate the effects of variable conditions (such as pressure and wire diameter) on the formation of three-component nanoparticles. In the synthesis of the three-component nanoparticles, pulsed wire discharge was used to sublimate the wires. In this system, the K factor is described as.....
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Crossref 1
Study of Water Resistance of Fe
2
O
3
Doped P
2
O
5
–ZnO–Bi
2
O
3
Sealing Glass System
Moon Kyung Hwang, Il Gu Kim, Bong Ki Ryu
Korean J. Met. Mater.
2016;54(8):621-625. Published online 2016 Aug 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.8.621
Abstract
In order to strengthen the structure of the glass and ultimately improve its water resistance, P
2
O
5
–ZnO–Bi
2
O
3
was doped with Fe
2
O
3
, which generated Fe ions in the phosphate-based glass. These ions constitute (P
2
O
7
)
−4
groups within the glass network. Structural analysis using Fourier transfer infrared spectroscopy indicated that P-O-P and Bi-O-P bonds.....
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Crossref 6
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