Search Results - "Heekyu Choi"

Comparative Study of the Morphology of Cellulose Nanofiber Fabricated Using Two Kinds of Grinding Method by Uranchimeg, Khulan, Jargalsaikhan, Battsetseg, Bor, Amgalan, Yoon, Kiyoung, Choi, Heekyu

“…In this paper, a comparison of cellulose nanofiber (CNF) fabrication from Gelidium amansii using two kinds of grinding processes is presented. The cellulose…”
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Effect of Different Raw Material Property for the Fabrication on Al/CNT Nanocomposite Using a Ball Mill with a Discrete Element Method (DEM) Simulation by Jargalsaikhan, Battsetseg, Bor, Amgalan, Lee, Jehyun, Choi, Heekyu

“…Carbon nanotubes (CNTs) have received interest as an attractive reinforcing agent metal matrix composites regarded as an increase to mechanical properties of…”
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Effect of grinding aids on the kinetics of fine grinding energy consumed of calcite powders by a stirred ball mill by Choi, Heekyu, Lee, Woong, Kim, Seongsoo

“…An experimental investigation was carried out on the ultra-fine grinding of inorganic powders using a stirred ball mill. The power consumed in the grinding…”
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Anode performance of lithium-silicon alloy prepared by mechanical alloying for use in all-solid-state lithium secondary batteries by Park, Hye Won, Song, Jung-Hoon, Choi, Heekyu, Jin, Joo Sung, Lim, Hyung-Tae

“…Li22Si5 alloy powder was synthesized by mechanical alloying and its electrochemical performance was investigated for use in solid-state battery anodes. Two…”
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New evaluation method for the kinetic analysis of the grinding rate constant via the uniformity of particle size distribution during a grinding process by Choi, Heekyu, Lee, Jehyun, Hong, Hyunuk, Gu, Jiho, Lee, Jeongseok, Yoon, Hyeyoung, Choi, Junewoo, Jeong, Yeongil, Song, Jungil, Kim, Myongho, Ochirkhuyag, Bayanjargal

“…A new kinetic analytical method for evaluating the grinding rate constant via the uniformity of the particle size distribution during a grinding process was…”
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Structural and Magnetic Properties of Co Doped CeO Nano-Particles by Kumar, S., Kim, Y.J., Koo, B.H., Heekyu Choi, Chan Gyu Lee

“…Nanoparticles of Ce 1-x Co x O 2 diluted magnetic semiconductors have been prepared by co-precipitation method. Effect of Co substitution has been studied…”
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Development of a high-performance cake-less continuous filtration system by Ochirkhuyag, Bayanjargal, Mori, Takamasa, Katsuoka, Takahisa, Satone, Hiroshi, Tsubaki, JunIchiro, Choi, Heekyu, Sugimoto, Tadamitsu

“…A new cake-less continuous filtration system with a rotating disk filter and slurry prepared in a well-dispersed state is discussed in this paper. It is…”
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Particle morphology control of metal powder with various experimental conditions using ball milling by Bor, Amgalan, Jargalsaikhan, Battsetseg, Uranchimeg, Khulan, Lee, Jehyun, Choi, Heekyu

“…The morphology evolution of copper powder was studied under various ball-milling experimental conditions, such as low and high rotation speeds and a ball…”
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Cu/CNT nanocomposite fabrication with different raw material properties using a planetary ball milling process by Bor, Amgalan, Ichinkhorloo, Batchuulun, Uyanga, Batjargal, Lee, Jehyun, Choi, Heekyu

“…Carbon nanotubes (CNTs) based composite materials have gained a great deal of attention from both scientific and industrial community owing to the fascinating…”
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A study on fiber-reinforced elastomer with a biphasic loading behavior by Huang Hao, Joe Chee-Ryong, Kim Dong-Uk, Lee Jehyun, Choi Heekyu

“…A specific fiber-reinforced elastomer (FRE) composite was formed by inserting curved fibers into a rubber matrix. This material combined the hyperelastic…”
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DEM simulation and characterization of copper and iron powders fabricated by ball milling by Uranchimeg, Khulan, Jargalsaikhan, Battsetseg, Eui, Lee Sang, Choi, Heekyu

“…In this study, the particle morphology, and size changes in copper and iron powders were investigated by using a high-energy ball mill under the same…”
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Al/CNT nanocomposite fabrication on the different property of raw material using a planetary ball mill by Jargalsaikhan, Battsetseg, Bor, Amgalan, Lee, Jehyun, Choi, Heekyu

“…Schematic of Al/CNTs nanocomposites fabrication. [Display omitted] •The study fabricated Al/CNT nanocomposite with three kinds of raw material.•The different…”
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Thermal Conductivity of TiO2 Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle by Batmunkh, Munkhbayar, Tanshen, Md. R, Nine, Md. J, Myekhlai, Munkhshur, Choi, Heekyu, Chung, Hanshik, Jeong, Hyomin

“…Nanofluid is a colloidal suspension which has received great attention over the past two decades, but its limited heat transfer enhancement is a matter of…”
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Mechanical alloying of multi-walled carbon nanotubes and aluminium powders for the preparation of carbon/metal composites by Wang, Lin, Choi, Heekyu, Myoung, Jae-Min, Lee, Woong

“…Interactions between carbon nanotubes (CNTs) and aluminium particles during the mechanical alloying (MA) via ball milling have been investigated from the…”
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Preparation by mechanical alloying of Al powders with single-, double-, and multi-walled carbon nanotubes for carbon/metal nanocomposites by Choi, Heekyu, Wang, Lin, Cheon, Dongkeun, Lee, Woong

“…Nanocomposites were prepared via mechanical alloying (MA) of Al powders with single-, double, and multi-walled carbon nanotubes (SWCNTs, DWCNTs, and MWCNTs) as…”
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Particle morphology control for spherical powder fabrication using the ball milling process with DEM simulation by Jargalsaikhan, Battsetseg, Uranchimeg, Khulan, Bor, Amgalan, Kim, Kyung Sung, Choi, Heekyu

“…Characteristics of spherical particles on copper powder and changing sizes were studied in a ball mill under various experimental conditions, such as different…”
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Surface coating copper powder with carbon nanotubes using traditional and stirred ball mills under various experimental conditions by Bor, Amgalan, Jargalsaikhan, Battsetseg, Lee, Jehyun, Choi, Heekyu

“…[Display omitted] •CNTs coating on Cu powder was performed in two types of ball mills.•CNTs coating on Cu powder was obtained at low rotation speed.•Cracks…”
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Thermal Conductivity of TiO sub(2) Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle by Batmunkh, Munkhbayar, Tanshen, MdR, Nine, MdJ, Myekhlai, Munkhshur, Choi, Heekyu, Chung, Hanshik, Jeong, Hyomin

“…Nanofluid is a colloidal suspension which has received great attention over the past two decades, but its limited heat transfer enhancement is a matter of…”
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Thermal Conductivity of TiO 2 Nanoparticles Based Aqueous Nanofluids with an Addition of a Modified Silver Particle by Batmunkh, Munkhbayar, Tanshen, Md. R., Nine, Md. J., Myekhlai, Munkhshur, Choi, Heekyu, Chung, Hanshik, Jeong, Hyomin

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Effect of Ar+ irradiation on the electrical conductivity of BaCe 0.9Y 0.1O 3− δ by Kim, Jae-Hwan, Choi, Heekyu, Shikama, Tatsuo

“…► We suggest a background for method to improve the electrical conductivity using surface modification. ► Increasing the fluence of Ar + ion beam increases the…”
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