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Study on the Manufacturing of Ultra-Fine Ore Briquettes for Charging in a Sintering Machine
소결기 장입을 위한 미분광브리켓 제조에 대한 연구
Jong-Ho Bae, Kang-Min Kim, Kyeong-Uk Lee, Jeong-Whan Han
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..... More

                        
Effects of Feedstock Powder Characteristics on the Microstructural Features and Erosion Resistance of WC-12Co Coatings
분말소재 특성에 따른 고속화염용사 WC-12Co 코팅층의 미세조직 및 침식 저항성
So-Yeong Kang, Kyeong-Ho Baik, Sang-Hoon Yoon, Hyung-Jun Kim
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,..... More

         Cited By 1
Charging Behavior of Sinter Feed according to Types of Charging Chute
장입 슈트 형태에 따른 소결 원료 장입 거동
Kang-Min Kim, Ki-Woo Lee, Jae-Hong Kwon, Hae-Kwon Jeong, Jeong-Whan Han
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..... More

      
Compacted and Sintered Microstructure Depending on Uranium Powder Size in Zr-U Metallic Fuel
우라늄 분말 입자크기에 따른 Zr-U 금속연료의 성형 및 소결 미세조직의 영향
Chang Gun Yun, Hyun-Joon Jun, Jung Hwan Ju, Ho Jin Lee, Chong-Tak Lee, Hyung Lae Kim
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..... More

      
in situ Fabrication of Fe-TiB<sub>2</sub> Nanocomposite Powder by Planetary Ball Milling and Subsequent Heat-treatment of FeB and TiH<sub>2</sub> Powder Mixture
FeB와 TiH2 혼합분말의 유성볼밀 및 후속열처리에 의한 Fe-TiB2 나노복합분말 in situ 제조
Xuan-Khoa Huynh, Sun-Woo Bae, Ji Soon Kim
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-TiB2 powder was synthesized in-situ by the planetary ball milling and subsequent heat-treatment of an iron boride (FeB) and titanium hydride (TiH2) powder mixture. Mechanical activation of the (FeB+TiH2) powder mixtures was observed after a milling time of 3 hours at 700 rpm of rotation speed, but activation was not..... More

         Cited By 4
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