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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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분말 합금법 및 고온 압연 공정으로 제조된 대형 블록 Ni-Cr-Al 초합금 다공체의 기계적 특성 비대칭성
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김규식, 심민철, 박만호, 윤중열, 이기안
Korean J. Met. Mater.
2020;58(2):103-111. Published online 2020 Jan 8
DOI:
https://doi.org/10.3365/KJMM.2020.58.2.103
Abstract
A block Ni-Cr-Al superalloy foam with dimensions of 300 mm (width direction, WD) × 500 mm (rolling direction, RD) × 60 mm (normal direction, ND) was fabricated using powder alloying, multi-sheet stacking, and hot rolling processes. The structural characteristics, microstructure, and mechanical asymmetry of the block Ni-based foam were investigated......
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연속주조의 유압식 주형진동 제어인자 고찰
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강기판, 김성연, 이상현
Korean J. Met. Mater.
2017;55(5):320-327. Published online 2017 May 9
DOI:
https://doi.org/10.3365/KJMM.2017.55.5.320
Abstract
In order to improve the flexibility of the oscillation pattern for a wide range of casting speeds, a hydraulic cylinder is used to oscillate the mold that moves up and down according to the stroke and frequency given by controller. Currently, hydraulic oscillators are commonly used in continuous casting facilities,.....
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