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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Comparison of the Hydrogen Release Properties of Zn(BH
4
)
2-
Added MgH
2
Alloy and Zn(BH
4
)
2
and Ni-Added MgH
2
Alloy
Myoung Youp Song, Young Jun Kwak
Korean J. Met. Mater.
2018;56(3):244-251. Published online 2018 Mar 6
DOI:
https://doi.org/10.3365/KJMM.2018.56.3.244
Abstract
Samples with compositions of 99 w/o MgH
2
+1 w/o Zn(BH
4
)
2
(designated MgH
2-
1Zn(BH
4
)
2
) and 96 w/o MgH
2
+2 w/o Zn(BH
4
)
2+
2 w/o Ni (designated MgH
2-
2Zn(BH
4
)
2-
2Ni) were prepared by milling in a planetary ball mill in a hydrogen atmosphere (reaction-involving milling). The hydrogen release properties of MgH
2-
1Zn(BH
4
)
2
and MgH
2-
2Zn(BH
4
)
2-
2Ni were compared. A larger quantity.....
More
Crossref 1
Hydrogen Absorption and Release Properties of MgH
2
, Mg
2
Ni, and Ni-Added Mg via Reactive Mechanical Grinding
Seong-Hyeon Hong, Myoung Youp Song
Korean J. Met. Mater.
2018;56(2):155-162. Published online 2018 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.2.155
Abstract
In this work, MgH
2
, Mg
2
Ni, and Ni were added to Mg in order to improve the hydrogen-storage properties of Mg. A 84 wt% Mg + 10 wt% MgH
2
+ 5 wt% Mg
2
Ni + 1 wt% Ni sample (designated the Mg-based sample) was prepared by milling under a hydrogen atmosphere in.....
More
Crossref 1
Enhancement of the Hydrogen-Storage Characteristics of Mg by Adding Mg
2
Ni and Ni to MgH
2
via High Energy Ball Milling in Hydrogen Atmosphere
Seong-Hyeon Hong, Young Jun Kwak, Myoung Youp Song
Korean J. Met. Mater.
2018;56(1):59-65. Published online 2018 Jan 1
DOI:
https://doi.org/10.3365/KJMM.2018.56.1.59
Abstract
In this work, Mg
2
Ni and Ni were added to MgH
2
in order to improve the hydrogen-storage properties of Mg. A 94 wt% MgH
2
+5 wt% Mg
2
Ni+1wt% Ni (named 94MgH
2
+5Mg
2
Ni+1Ni) sample was prepared by milling in a hydrogen atmosphere in a planetary ball mill for 5 h. The Mg
2
Ni was hydrided during.....
More
Crossref 8
Increase in the Hydrogen-Sorption Rates and the Hydrogen-Storage Capacity of MgH
2
by Adding a Small Proportion of Zn(BH
4
)
2
Hye Ryoung Park, Young Jun Kwak, Myoung Youp Song
Korean J. Met. Mater.
2017;55(9):657-663. Published online 2017 Aug 30
DOI:
https://doi.org/10.3365/KJMM.2017.55.9.657
Abstract
Abstract: In this work, Zn(BH
4
)
2
was added to improve the hydrogen-storage properties of MgH
2
. A 99 wt% MgH
2
+1 wt% Zn(BH
4
)
2
sample was prepared by milling in a planetary ball mill in a hydrogen atmosphere. The proportion of the added Zn(BH
4
)
2
was small (1 wt%) in order to increase hydriding and.....
More
Crossref 2
High Temperature Properties and Recent Research Trend of Mg-RE Alloys
Mg-RE계 고온용 합금의 특성과 최근 연구 동향
Soo Woo Nam남수우
Korean J. Met. Mater.
2017;55(4):213-221. Published online 2017 Apr 6
DOI:
https://doi.org/10.3365/KJMM.2017.55.4.213
Abstract
For the applications in automotive, aircraft, aerospace, and electronic industries, the lightest structural Mg alloys have received much attention since 2000. There has been some progress for the improvement of the mechanical properties such as room temperature strength, formability and mechanical anisotropy. However, the high temperature strength of Mg alloys.....
More
Crossref 4
Hydrogen Sorption of Pure Mg and Niobium (V) Fluoride-Added Mg Alloys Prepared by Planetary Ball Milling in Hydrogen
Hye Ryoung Park, Young Jun Kwak, Seong Ho Lee, Myoung Youp Song
Korean J. Met. Mater.
2016;54(12):916-924. Published online 2016 Dec 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.12.916
Abstract
In this work, niobium (V) fluoride was selected as an additive to heighten the hydrogen sorption rates of Mg. Specimens of pure Mg, 5 wt% niobium fluoride-added Mg, and 10 wt% niobium fluoride-added Mg were prepared by planetary ball milling in hydrogen. The hydrogen sorption properties of the specimens were.....
More
Crossref 5
Effect of Added Magneisum on the Coating Properties of Galvanized Steel Sheets
용융아연 도금특성에 미치는 Mg 미량첨가 영향
Moon-Hi Hong, Deok-Gu Kang, Doo-Jin Paik, Hyeon-Seok Hwang, Sung-ho Park홍문희, 강덕구, 백두진, 황현석, 박성호
Korean J. Met. Mater.
2016;54(10):723-731. Published online 2016 Oct 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.10.723
Abstract
The effect of a small amount of added Mg on the microstructure, Fe-Al inhibition layer, corrosion resistance and welding properties of hot-dip galvanized and galvannealed steel sheets were investigated. Both the microstructure and distribution of Mg were measured by scanning electron microscopy, transmission electron microscopy, glow discharge spectrometer and electron.....
More
Crossref 4
Corrosion & Surface Treatment
High Temperature Oxidation Behavior of Mg-5% Ca-1% Zn Alloys
Kwon Yong Ji, Dong Bok Lee
Korean J. Met. Mater.
2016;54(9):645-651. Published online 2016 Sep 5
DOI:
https://doi.org/10.3365/KJMM.2016.54.9.645
Abstract
Pure Mg, Mg-5wt%Ca, and Mg-5wt%Ca-1wt%Zn alloys were cast, and their high-temperature oxidation behavior was investigated to determine the roles of Ca and Zn in oxidation. Ca and Zn additions refined the microstructure by formation of Mg
2
Ca and Ca
2
Mg
6
Zn
3
, respectively, at grain boundaries. Ca increased the oxidation resistance by forming a.....
More
Crossref 2
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