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Korean J. Met. Mater.
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Korean Journal of Metals and Materials
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고용 강화 금속 바인더(Co
1-x
W
x
) 적용을 통한 초경합금의 기계적 특성 향상
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권한중
Korean J. Met. Mater.
2022;60(1):14-25. Published online 2021 Dec 10
DOI:
https://doi.org/10.3365/KJMM.2022.60.1.14
Abstract
The metallic binder in WC-Co hard metals was effectively strengthened using the solid solution phases of Co and W. These metallic phases of Co and W (Co
1-x
W
x
, x<1), which consist of two kinds of structures (FCC and HCP), were successfully formed by hydrogen reduction of milled oxides mixtures (Co
3
O
4
and.....
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물유리계 바인더로 제조한 천연주물사와 인공주물사 중자의 강도 특성
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배민아, 김판성, 김경호, 이만식, 백재호
Korean J. Met. Mater.
2021;59(4):273-280. Published online 2021 Mar 24
DOI:
https://doi.org/10.3365/KJMM.2021.59.4.273
Abstract
Natural sand and organic binders are commonly used in casting processes, but these ingredients produce environmental problems with dust and harmful TVOC(Total Volatile Organic Carbon) gases. Research on the introduction of artificial sand and inorganic binders to solve these environmental problems is being actively conducted mainly in the casting industry......
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Cited By 1
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Korean J. Met. Mater.
2020;58(5):319-325. Published online 2020 Apr 20
DOI:
https://doi.org/10.3365/KJMM.2020.58.5.319
Abstract
In recent years, the metal casting industry has sought to meet ever more stringent environmental standards. Inorganic binders based on silicate chemistry have many advantages with respect to environmental issues, but often suffer from reduced strength, burn-on and poor water-resistance. In particular, when sand is mixed with a water glass.....
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Cited By 3
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액적 형성에 미치는 물유리계 바인더의 조성과 토출조건의 영향
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편성은, 이만식, 박대원, 백재호
Korean J. Met. Mater.
2020;58(4):278-285. Published online 2020 Mar 10
DOI:
https://doi.org/10.3365/KJMM.2020.58.4.278
Abstract
Binder jetting additive manufacturing is one of the 3D printing technologies currently used to manufacture 3D geometries. In this process, a liquid binder agent is ejected to a desired position of a substrate. The binder’s properties and the jetting condition used for form droplets can affect the formability of the.....
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Cited By 1
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무반사 코팅을 위한 MgF
2
나노입자 합성과 박막 부착력 향상을 위한 연구
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송병관, 정재용, 조영래, 나종주, 김정완, 김영국
Korean J. Met. Mater.
2020;58(3):201-206. Published online 2020 Feb 3
DOI:
https://doi.org/10.3365/KJMM.2020.58.3.201
Abstract
Anti-reflective (AR) coatings are popular because they offer high durability with effective reflectance and glare reduction, and they can endure both physical and environmental damage. Magnesium fluoride (MgF
2
) has been used as a nanoparticle coating on AR coating materials by many researchers because they exhibit high transmittance and antireflection characteristics.....
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Cited By 2
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CBAPC 바인더로 제조한 인공사 중자의 강도 및 내습성에 미치는 P/Al 몰 비와 경화 조건의 영향
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오현곤, 박동국, 김양도, 이만식
Korean J. Met. Mater.
2019;57(12):808-816. Published online 2019 Nov 22
DOI:
https://doi.org/10.3365/KJMM.2019.57.12.808
Abstract
CBAPC (chemically bonded aluminum phosphate ceramic) binders have various advantages, including superior corrosion resistance and strength at high temperature. They are also a non-toxic and eco-friendly material. We investigated an inorganic binder based on CBAPC using artificial sand for casting. The CBAPC binders were synthesized with various P/Al molar ratios.....
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Cited By 1
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소결온도 변화에 따른 Binderless-WC 소결체 특성평가
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박현국, 이정한, 장준호, 오익현
Korean J. Met. Mater.
2019;57(5):304-309. Published online 2019 Apr 10
DOI:
https://doi.org/10.3365/KJMM.2019.57.5.304
Abstract
In this study, Binderless-WC hard materials were fabricated using the pulsed current activated sintering (PCAS) process for a Friction Stir Welding tool and difficult-to-cut tool application. Tungsten carbide (WC) hard materials are used in various industries and possess a superior hardness compared to other hard materials. They have particularly high.....
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Cited By 6
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Korean J. Met. Mater.
2019;57(4):227-235. Published online 2019 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2019.57.4.227
Abstract
The additive manufacturing (AM) process is a production technology process that has recently attracted attention. Among AM processes, the binder jetting (BJ) method is advantageous because it allows both wide material selection and design freedom. However, the output arrangement, which determines the direction in which the binder is injected during.....
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Cited By 16
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물유리계 바인더의 첨가제가 Al-Si7Mg 합금 주조 시 소착에 미치는 영향
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배민아, 김명환, 박정욱, 이만식
Korean J. Met. Mater.
2018;56(4):327-333. Published online 2018 Apr 5
DOI:
https://doi.org/10.3365/KJMM.2018.56.4.327
Abstract
Traditional organic binders used by the foundry industry produce problems such as generation of volatile organic compounds(VOCs), smoke and etc. A water glass binder system has been developed to improve the casting strength and to solve the environmental problems. However the water glass binder has a serious problem of sand.....
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Cited By 3
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