Search Results - "Yoon, Jae Hong"
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Syntheses and mechanical properties of Cr–Mo–N coatings by a hybrid coating system
Published in Surface & coatings technology (20-12-2006)“…Effects of Mo content up to 30.4 at.% on the microstructure and mechanical properties of CrN coatings are reported in this study. Ternary Cr–Mo–N coatings were…”
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Investigation on microstructure, surface properties and anti-wear performance of HVOF sprayed WC–CrC–Ni coatings modified by laser heat treatment
Published in Materials science & engineering. B, Solid-state materials for advanced technology (25-05-2009)“…Laser heat (LH) treatment was found to be an effective method to alter the microstructure and mechanical properties of conventional coatings. In this…”
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3
Bronchogenic Cyst in an Intradiaphragmatic Location: A Case Report
Published in Taehan Yŏngsang Ŭihakhoe chi (2018)Get full text
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Residual Stress and Microstructure Characterization of 34CrMo4 Steel Modified by Shot Peening
Published in Scanning (2020)“…34CrMo4 steel is widely used for drill stem in oil exploration, because of its excellent properties, such as favorable hardenability, shock absorption, less…”
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Fermented dried Citrus unshiu peel extracts exert anti-inflammatory activities in LPS-induced RAW264.7 macrophages and improve skin moisturizing efficacy in immortalized human HaCaT keratinocytes
Published in Pharmaceutical biology (01-01-2019)“…Context: Citrus unshiu Markovich (Rutaceae) peel is known to contain high concentrations of flavonoids and exerts pharmacological effects on antioxidant,…”
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6
Effect of nano-CeO2 on cobalt-based alloy laser coatings
Published in Journal of materials processing technology (20-06-2008)“…Cobalt-based alloy coatings with/without nano-CeO2 addition prepared by a 5 kW CO2 laser on Q235 low carbon steel were introduced. The effects of nanoparticles…”
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7
Thickness effect on properties of titanium film deposited by d.c. magnetron sputtering and electron beam evaporation techniques
Published in Bulletin of materials science (01-10-2013)“…This paper reports effect of thickness on the properties of titanium (Ti) film deposited on Si/SiO 2 (100) substrate using two different methods: d.c…”
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Observation of magnetic properties and microstructural evolution of 301 stainless steel upon ultrasonic shot peening
Published in Materialia (01-05-2020)“…Surface modification techniques have recently become very popular for obtaining enhanced properties of steels. In particular, ultrasonic shot peening (USP) has…”
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Influence of nitrogen gas flow rate on the structural, morphological and electrical properties of sputtered TiN films
Published in Journal of materials science. Materials in electronics (01-04-2013)“…In this work, nanocrystalline titanium nitride (TiN) films have been deposited by reactive DC magnetron sputtering technique on the Si/SiO 2 (100) substrates…”
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Synthesis and characterization of zirconia doped alumina nanopowder by citrate–nitrate process
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (25-01-2008)“…Al 2O 3–ZrO 2 nanopowders containing 5–20 wt.% ZrO 2 was synthesized by a simple aqueous sol–gel method using a citrate polymeric precursor derived from…”
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Bilateral Wallerian Degeneration of the Middle Cerebellar Peduncle and Unilateral Hypertrophic Olivary Degeneration Secondary to Pontine Hemorrhage: A Case Report
Published in Journal of the Korean Society of Radiology (01-10-2018)“…The two distinct types of axonal degeneration that occur after neuronal injury include Wallerian degeneration (WD) and transneuronal degeneration. The most…”
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Laser clad Ni-base alloy added nano-and micron-size CeO2 composites
Published in Optics and laser technology (01-07-2008)“…Micron-size Ni-base alloy (NBA) powders are mixed with both 1.5wt% (%) micron-CeO2 (m-CeO2) and also 1.0-3.0% nano-CeO2 (n-CeO2) powders. These mixtures are…”
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Surface properties and tensile bond strength of HVOF thermal spray coatings of WC-Co powder onto the surface of 420J2 steel and the bond coats of Ni, NiCr, and Ni/NiCr
Published in Surface & coatings technology (15-07-2009)“…Micron-sized WC-Co powder (powder) was coated onto an 420J2 steel substrate and the bond coats (BCs) of Ni, NiCr, and Ni/NiCr using high-velocity oxy-fuel…”
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The comparative study on microstructure and properties of nano-CeO2 and Sm2O3 particulate reinforced nickel-based composites by laser deposition
Published in Applied surface science (15-09-2008)“…Micron size Ni-based alloy (NBA) powders are mixed with both 1.5 wt% nano-CeO2 (n-CeO2) and nano-Sm2O3 (n-Sm2O3) powders. These mixtures are coated on low…”
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Improvement of Surface Properties of Inconel718 by HVOF Coating with WC-Metal Powder and by Laser Heat Treatment of the Coating
Published in Advances in materials science and engineering (01-01-2015)“…High-velocity oxygen-fuel (HVOF) thermal spray coating with WC-metal powder was carried out by using optimal coating process on an Inconel718 surface for…”
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Characterization of microstructure and surface properties of hybrid coatings of WC–CoCr prepared by laser heat treatment and high velocity oxygen fuel spraying
Published in Materials characterization (01-10-2008)“…The microstructure and microhardness of high velocity oxygen fuel-sprayed WC–CoCr coatings were comparatively studied both before and after laser heat…”
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Optimization of the Adhesion Strength of Arc Ion Plating TiAlN Films by the Taguchi Method
Published in Materials (01-06-2009)“…A three-level six-factor (arc power, substrate temperature, pre-treatment bias voltage, working pressure, deposition bias voltage and pretreatment time)…”
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Modeling film uniformity and symmetry in ionized metal physical vapor deposition with cylindrical targets
Published in Thin solid films (28-11-2008)“…Severe asymmetry of the metal deposits on the trench sidewalls occurs near the wafer edge during low pressure ionized metal physical vapor deposition of Cu…”
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Corrosion resistance of Fe2O3-Cr2O3 artificial passive films formed with LP-MOCVD
Published in Metals and materials international (01-04-2002)“…Fe2O3-Cr2O3 artificial passive films were formed with a low pressure MOCVD technique using iron (III) acetylacetonate and chromium (III) acetylacetonate. The…”
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Journal Article -
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Microstructure and corrosion resistance of Ni-based alloy laser coatings with nanosize CeO2 addition
Published in Science and technology of advanced materials (01-07-2008)“…Micron-size Ni-base alloy (NBA) powders were mixed with both 1.5 wt.% (hereinafter %) micron-size CeO 2 (m-CeO 2 ) and also 1.5% and 3.0% nano-size CeO 2 (n-…”
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