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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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Korean J. Met. Mater.
;59(2):113-120. Published online 2021 Jan 27
DOI:
https://doi.org/10.3365/KJMM.2021.59.2.113
Abstract
Ti has excellent properties but is more expensive than other materials due to its high melting point, high reactivity and difficult processability. One way to lower the production cost of Ti products is to recycle Ti scraps. Before recycling Ti scraps, pretreatment to remove contamination is essential. Ti scraps can.....
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폐니켈-카드뮴 침출용액으로부터 황화물 침전법을 이용한 카드뮴 회수에 대한 연구
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박일정, 김대원, 김민준, 정항철
Korean J. Met. Mater.
2019;57(11):726-731. Published online 2019 Nov 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.11.726
Abstract
A large amount of waste nickel-cadmium batteries are being produced, and various studies have been conducted to recover the valuable metals contained in the batteries. Solvent extraction is mainly used to recover nickel and cadmium, but that method has economic and environmental problems. In this study, to solve these problems,.....
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NdFeB 자석 스크랩을 이용한 Mg-Cu-Gd-Nd 비정질 합금의 제조 및 특성
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윤덕환, 민홍, 채홍준, 이진규
Korean J. Met. Mater.
2019;57(10):617-623. Published online 2019 Sep 6
DOI:
https://doi.org/10.3365/KJMM.2019.57.10.617
Abstract
In the present study, new Mg-based bulk metallic glasses have been developed in a Mg-Cu-GdNd based system using a Mg-Nd byproduct obtained from the recycling process of NdFeB magnet scrap through liquid metal extraction. The Mg-Cu-Gd-Nd bulk metallic glasses with a diameter of 2 mm are fabricated by injection casting.....
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Korean J. Met. Mater.
2019;57(9):569-574. Published online 2019 Aug 21
DOI:
https://doi.org/10.3365/KJMM.2019.57.9.569
Abstract
In this study, an eco-friendly pretreatment process was developed to recycle titanium turning scraps and ferro-titanium ingots with low gaseous impurities were prepared using recycled titanium turning scraps. The amount of gaseous impurities of titanium scraps before removing the machining oils on the surface was as high as 20000 ppm......
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