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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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소결기 장입을 위한 미분광브리켓 제조에 대한 연구
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배종호, 김강민, 이경욱, 한정환
Korean J. Met. Mater.
2021;59(1):14-20. Published online 2021 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2021.59.1.14
Abstract
In ironmaking, the optimal size of the iron ore charged into a blast furnace is generally 10-30 mm. Oversized ores, which have a smaller reaction surface area, are crushed, while undersized ores, which decrease permeability, undergo a sizing process before being charged into the blast furnace. Recently, however, iron ore.....
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Crossref 2
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분말소재 특성에 따른 고속화염용사 WC-12Co 코팅층의 미세조직 및 침식 저항성
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강소영, 백경호, 윤상훈, 김형준
Korean J. Met. Mater.
2018;56(2):113-120. Published online 2018 Feb 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.2.113
Abstract
WC-Co coatings manufactured by high velocity oxy-fuel (HVOF) spraying have a superior hardness and wear resistance. In this study, HVOF-sprayed WC-12Co coatings from three different feedstock powders were evaluated in terms of microstructural features, carbide decomposition and erosion resistance. The fused-crushed and the sintered-crushed WC-12Co powders had an angular shape,.....
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Crossref 1
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장입 슈트 형태에 따른 소결 원료 장입 거동
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김강민, 이기우, 권재홍, 정해권, 한정환
Korean J. Met. Mater.
2017;55(12):896-904. Published online 2017 Dec 4
DOI:
https://doi.org/10.3365/KJMM.2017.55.12.896
Abstract
In the iron ore sintering process, a thermal imbalance can occur in the sinter feed bed which degrades the quality of the sintered ores. In order to solve this thermal imbalance, it is necessary to control the sizes of the sintering feed charging through the chute by designing an appropriate.....
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우라늄 분말 입자크기에 따른 Zr-U 금속연료의 성형 및 소결 미세조직의 영향
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윤창근, 전현준, 주정환, 이호진, 이종탁, 김형래
Korean J. Met. Mater.
2017;55(3):184-190. Published online 2017 Mar 3
DOI:
https://doi.org/10.3365/KJMM.2017.55.3.184
Abstract
In case of the uranium (U) and zirconium (Zr) powders which have been utilized for the production of a metallic fuel in the various nuclear applications, the homogenous distribution of U powders in the Zr-U pellet has influenced significantly on the nuclear fuel performance. The inhomogeneity in a powder process.....
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FeB와 TiH
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혼합분말의 유성볼밀 및 후속열처리에 의한 Fe-TiB
2
나노복합분말 in situ 제조
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Xuan-Khoa Huynh, 배선우, 김지순
Korean J. Met. Mater.
2017;55(1):10-15. Published online 2017 Jan 5
DOI:
https://doi.org/10.3365/KJMM.2017.55.1.10
Abstract
Fe-TiB
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powder was synthesized in-situ by the planetary ball milling and subsequent heat-treatment of an iron boride (FeB) and titanium hydride (TiH
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) powder mixture. Mechanical activation of the (FeB+TiH
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) powder mixtures was observed after a milling time of 3 hours at 700 rpm of rotation speed, but activation was not.....
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Crossref 4
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