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Article
Integrated passive and active seismic profiling for detection of buried faults: a case study at the north end of the Miryang Fault in the Geoncheon Valley, southeastern Korean Peninsula
We present the results of seismic profiling aimed to characterize the structure of shallow formation in the Geoncheon Valley (GCV), an area we interpreted as the north tip of the Miryang Fault This profile was...
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Article
Effect of Oxygen Injections on the Porosity of High Pressure Die Castings
This study aims to investigate the role of oxygen in optimizing the Pore-Free Die Casting (PFDC) process to enhance the quality of aluminum castings by minimizing porosity defects. The effects of oxygen levels...
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Chapter and Conference Paper
Microstructural Changes on a Ternary Al–Cu–Si Eutectic Alloy with Different Pre-heated Mold Temperatures
In order to understand the behavior and microstructural evolution of the Al–Cu–Si system, the evolution on the of the Al–Cu–Si with different pre-heating mold temperatures was investigated. When the mo...
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Article
Open AccessEffects of a herbal formulation, KGC3P, and its individual component, nepetin, on coal fly dust-induced airway inflammation
Coal fly dust (CFD)-induced asthma model is used as an ambient particulate matter model of serious pulmonary damage. We aimed to evaluate the effects of a combination of ginseng and Salvia plebeia R. Br extract (...
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Chapter and Conference Paper
Effect of Zn Additions on the Mechanical Properties of High Strength Al–Si–Mg–Cu Alloys
In this study, the effect of on the of Al–Si–Mg–Cu alloys was investigated. From the results, it has been found that the formation of Mg–Zn intermetallic compounds is considered to be the main reason for t...
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Chapter and Conference Paper
Influence of TiB2 Particles on Modification of Mg2Si Eutectic Phase in Al–Zn–Si–Mg–Cu Cast Alloys
In this study, the effect of TiB2 particles on the modification of eutectic phase in Al–Zn–Si–Mg–Cu system alloys is investigated. The showed that an excellent effect can be achieved after the addition of TiB2 ...
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Article
Preparation and Characterization of Iron Matrix Syntactic Foams with Glass Microspheres via Powder Metallurgy
Iron matrix syntactic foams with four different glass microsphere fractions were prepared via powder metallurgy. Effects of compaction pressure and lubricant addition on the microstructure and the mechanical p...
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Article
Numerical investigation of thermal and residual stress of sapphire during c-axis vertical Bridgman growth process considering the solidification history effect
Sapphire single crystals have been highlighted for epitaxial of gallium nitride films in high-power laser and light emitting diode industries. In this study, the evolution of thermally induced stress in sapphi...
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Chapter
Basic Evaluation Technology Development of Battery Installation Safety for Electric Vehicles
A common feature of electric vehicles is that they do not emit exhaust gases, such as CO2 or Nox, have low noise and vibration harshness (NVH), and are silent as a result of their using secondary electric energy,...
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Chapter and Conference Paper
Optimization of Hot-Zone Design through CFD Analysis for Kyropoulos Sapphire Single Crystal Grower
Sapphire (Al2O3) wafers are used as an important substrate for the production of blue Light Emitting Diodes (LED) and the LED’s performance largely depends on the quality of the sapphire single crystals. There ar...
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Chapter and Conference Paper
The Effect of Ca Additions on the Mechanical Properties of Mg-Al-Sn Alloys
Demand for magnesium alloys has been increasing and many attempts have been made to develop magnesium alloys with good mechanical properties at elevated temperatures. For most heat resistant magnesium alloys, ...
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Article
Chelidonine, a principal isoquinoline alkaloid of Chelidonium majus, attenuates eosinophilic airway inflammation by suppressing IL-4 and eotaxin-2 expression in asthmatic mice
Chelidonine, a major bioactive, isoquinoline alkaloid ingredient in Chelidonium majus, exhibits anti-inflammatory and other pharmacological properties. However, its molecular mechanisms in asthma remain unclear. ...
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Article
Open AccessEffects of Corni fructus on ovalbumin-induced airway inflammation and airway hyper-responsiveness in a mouse model of allergic asthma
Allergic asthma is a chronic inflammatory lung disease that is characterized by airway hyperresponsiveness (AHR) to allergens, airway oedema, increased mucus secretion, excess production of T helper-2 (Th2) cy...
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Article
Thin film coatings of WO3 by cold gas dynamic spray: A technical note
Dense and adhesive WO3 films were prepared on a silicon substrate by the cold gas dynamic spray process (or cold spray). In contrast to standard metallic coatings, there was no sizable crater formation and plasti...
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Article
Cold spray of SiC and Al2O3 with soft metal incorporation: A technical contribution
Al + SiC, Al + Al2O3 composites as well as pure Al, SiC, and Al2O3 coatings were prepared on Si substrates by the cold gas dynamic spray process (CGDS or cold spray). The powder composition of metal (Al) and cera...
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Article
Preparation of TiO2 Powder by Modified Two-Stage Hydrolysis
Nano-sized TiO2 powders were synthesized by modified hydrolysis reaction using two-stage treatments of acid/base catalyst. Using an acidic catalyst, the primary particle size of assynthesized TiO2 was smaller tha...
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Article
RF Sputtered BZN Pyrochlore Thin Films for Voltage Tunable Dielectric Device Applications
The BZN pyrochlore thin films were prepared on platinized Si substrates using a reactive RF magnetron sputtering. The structures, surface morphologies, dielectric properties and voltage tunable properties of f...
