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Pressure Transmission in the Compaction Process of Nickel Powder Using the Finite Element Methods
Jong Won Baek, Seong Jin Park
Korean J. Met. Mater. 2019;57(2):115-123.   Published online 2019 Jan 9
DOI: https://doi.org/10.3365/KJMM.2019.57.2.115

The compression process is one of the more widely used industrial manufacturing methods for fabricating desired shape of specimens with various materials such as metals and ceramics. In the compaction process, the upper punch moves into the powder, and force is transmitted between particles, then achieving densification. In this process,..... More

Analysis of a Slab and Slab Heater Cover in a Compact Endless Cast and Rolling Mill Process Using Finite Element Methods
Jong Won Baek, Joo Won Oh, Jae-Sook Chung, Yong-Seok Cho, Seong Jin Park
백종원, 오주원, 정제숙, 조용석, 박성진
Korean J. Met. Mater. 2019;57(1):43-50.   Published online 2018 Dec 14
DOI: https://doi.org/10.3365/KJMM.2019.57.1.43

Compact Endless cast and rolling Mill (CEM) processes were developed and used to fabricate steel products such as steel slabs. However, the coiling furnace in this process was very expensive, so a new layout was suggested. As the coiling furnace was removed, the interval among the slab heaters had to..... More

Effect of Carbon Addition and Recrystallization on the Microstructure and Mechanical Properties of CoCrFeMnNi High Entropy Alloys
CoCrFeMnNi 고엔트로피 합금에서 탄소 첨가 및 재결정열처리가 미세구조 및 기계적 특성에 미치는 영향
Jun Yeong Ko, Jae Sook Song, Sun Ig Hong
고준영, 송재숙, 홍순익
Korean J. Met. Mater. 2018;56(1):26-33.   Published online 2018 Jan 1
DOI: https://doi.org/10.3365/KJMM.2018.56.1.26

The effect of carbon addition on the cast and rolled microstructures of CoCrFeMnNi high entropy alloys were studied. Both as-cast CoCrFeMnNi and CoCrFeMnNiC0.1 alloys have a dendritic microstructure. Small carbide particles were observed at the inter-dendritic region in the as-cast CoCrFeMnNiC0.1 and elongated-grained structure with aligned carbides were developed at..... More

         Cited By 4
Self-propagating High Temperature Synthesis of Quasi-nano sized Cu<sub>x</sub>Ni<sub>y</sub>Zn<sub>1-x-y</sub>Fe<sub>2</sub>O<sub>4</sub> with Numerical Modeling by Finite Element Method
유한요소법에 의한 수학적 모델링을 활용한 준-나노 CuxNiyZn1-x-yFe2O4 페라이트 연소합성
Moon Sun Gu, Yong Choi
구문선, 최용
Korean J. Met. Mater. 2017;55(11):777-782.   Published online 2017 Oct 31
DOI: https://doi.org/10.3365/KJMM.2017.55.11.777

Numerical modeling of the self-propagating high temperature synthesis (SHS) of CuxNiyZn1-x-yFe2O4 ferrites was carried out using the finite element method, to control the combustion synthesis behaviors of the ferrites. Additional pre-heating above 300 ℃ caused the combustion temperature at the inner surface of the reactant compact to completely propagate the..... More

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