145 Result(s)
within
Changhee Lee
English
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Article
Cooling rate effect on phase transformation of plasma sprayed partially stabilized zirconia
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Article
Phase evolutions of plasma sprayed ceria and yttria stabilized zirconia thermal barrier coating
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Article
Effect of dilution on the behavior of solidification cracking in PTAW overlay deposit on Ni-Base superalloys
In this study, the effects of dilution on the solidification cracking susceptibility of PTAW (Plasma Transferred Arc Welding) Inconel 625 and 718 overlay on Nimonic 80A were observed. In order to evaluate soli...
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Article
Characterization of white electroluminescent devices fabricated using conjugated polymer blends
We report the characterization of white light emitting devices fabricated using conjugated polymer blends. Blue emissive poly[9,9-bis(4′-n-octyloxyphenyl)fluorene-2,7-diyl-co-10-(2′-ethylhexyl)phenothiazine-3,7-d...
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Article
Critical factors affecting the amorphous phase formation of NiTiZrSiSn bulk amorphous feedstock in vacuum plasma spray
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Article
Effect of in-flight particle oxidation on the phase evolution of HVOF NiTiZrSiSn bulk amorphous coating
Bulk amorphous NiTiZrSiSn feedstock was sprayed using a high velocity oxy-fuel spraying process. In order to evaluate the amorphous formability in view of chemical instability, the oxygen to hydrogen gas flow ...
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Chapter and Conference Paper
Efficient Computation of Elliptic Gabriel Graph
Searching neighboring points around a point in a point set has been important for various applications and there have been extensive studies such as the minimum spanning tree, relative neighborhood graph, Dela...
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Chapter and Conference Paper
The Nuclear Localization Signal of the Prrs Virus Nucleocapsid Protein Modulates Viral Replication in vitro and Antibody Response in vivo
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Article
Dendritic Iridium(III)-Encapsulated Complexes for Organic Light Emitting Diodes
The syntxhesis, photo-physics, and electroluminescence of new types of Iridium(III)-encapsulated dendrimers are described. Thus, four different iridium complexes [Ir(III)(C^N)2(LX), Blue-DCBP, Green-DCBP, Yellow-...
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Article
Bioaugmented sulfur-oxidizing denitrification system with Alcaligenes defragrans B21 for high nitrate containing wastewater treatment
The performance of enriched sludge augmented with the B21 strain of Alcaligenes defragrans was compared with that of enriched sludge, as well as with pure Alcaligenes defragrans B21, in the context of a sulfur-ox...
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Article
Coarsening Behavior of the (Ti, Nb)(C, N) Complex Particle in a Microalloyed Steel Weld Heat-Affected Zone Considering the Critical Particle Size
Our recent report revealed the effect of critical particle size on the particle coarsening behavior of the TiN particle. In the present work, the equation for critical particle size is extended by considering ...
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Chapter and Conference Paper
Manifoldization of β-Shapes by Topology Operators
It is well known that the geometric structure of a protein is an important factor to determine its functions. In particular, the atoms located at the boundary of a protein are more important since various phys...
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Article
Thin-Films of Poly-Triarylamines for Electro-Optic Applications
We observed that a new anionic triarylamine copolymer, which is easily accessable by radical polymerization can be used for the preparation of thin semiconducting organic films in two extremely different ways:...
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Article
Effect of vitreous enamel coating on the oxidation behavior of Ti6Al4V and TiAl alloys at high temperatures
Vitreous enamel coating is a promising candidate as a high temperature protective coating for titanium (Ti)-based alloys due to its high thermo-chemical stability, compatibility, and matching thermal expansion...
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Article
Neutron detectors for scattering experiments at HANARO
Position sensitive detectors (PSD) measure the distribution of scattered neutrons and are essential tools for neutron scattering experiments. Various types of neutron detectors used at neutron diffractometers ...
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Article
Effects of Silver Addition on Properties and Performance of Plasma Sprayed La0.6Sr0.4Co0.2Fe0.8O3−δ Interconnect Layer
Interconnect layers on stainless steel substrates (STS430) for solid oxide fuel cells (SOFC) were built up by atmospheric plasma spraying (APS) using spray dried La0.6Sr0.4Co0.2Fe0.8O3−δ (LSCF) and blended LSCF/A...
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Article
Complete genomic characterization of a European type 1 porcine reproductive and respiratory syndrome virus isolate in Korea
Porcine reproductive and respiratory syndrome virus (PRRSV) isolates belonging to the European genotype 1 have recently emerged in South Korea, suggesting potential problems for disease control. In the present...
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Article
Editorial
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Article
The Effects of Successive Impacts and Cold Welds on the Deposition Onset of Cold Spray Coatings
In this study, the impact and deposition behavior of nickel particles onto relatively soft 6061-T6 aluminum alloy and copper substrates in a kinetic spray process was investigated by comparing individual parti...
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Article
An Experimental and Finite Element Study of Cold Spray Copper Impact onto Two Aluminum Substrates
The effect of cold spray temperature and substrate hardness on particle deformation and adhesion has been studied, with particular emphasis on adiabatic shearing leading to melting. Copper particles were cold ...
