18 Result(s)
within
Minki **
Materials Science
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Article
Improvement of tensile strength and anti-oxidation property of graphite electrode for electric arc furnace through heterogenization of binder pitch
This study involved the heterogenization of a binder pitch (BP) using a small amount of nanocarbon to improve physical properties of the resulting graphite electrode (GE). Heterogenization was carried out by a...
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Article
Investigation of Carburization and Melting Behavior of Fully Reduced LRI and IOS on Coke Substrates
In the course of develo** hydrogen-enriched blast furnace ironmaking operation, the carburization and melting behavior of the fully reduced low-reduced iron (LRI) and the iron ore sinter (IOS) on the coke su...
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Article
Open AccessCharacterization of Formed TRIP1180 Steel Sheet Surface After Stam** with PVD-Coated Tools
The wear tests are conducted on bending punches deposited with PVD CrN and AlTiCrN coatings using the newly proposed progressive die. Then, the surface quality of the formed product is characterized through th...
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Article
A Stepped Mesh Host for Lithium Metal Batteries Inspired by Transmission Electron Microscopy Sampling Grids
With the growing demand for high-energy-density rechargeable batteries, lithium metal anodes have reemerged as a promising alternative to conventional graphite anodes in lithium-ion batteries. Lithium metal bo...
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Article
Biodegradable materials and devices for neuroelectronics
Recent advances in biodegradable neuroelectronics, which remove the need for extraction surgery and reduce foreign body reactions, provide versatile options for implantable devices, such as for provisional dia...
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Article
Quantitative Evaluation of Tool Wear in Cold Stam** of Ultra-High-Strength Steel Sheets
The body of an automobile must be lightweight and crash-worthy. The use of advanced high-strength steel reduces the manufacturing cost for automobile body and improves energy absorption during an impact. Howev...
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Living Reference Work Entry In depth
Harvesting Vibration and Ultrasound Energy by Triboelectric Nanogenerators
Harvesting vibration and ultrasound energy are a growing research field in which various working mechanisms, material designs, and structures have been developed for powering electronic devices or develo** s...
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Reference Work Entry In depth
Harvesting Vibration and Ultrasound Energy by Triboelectric Nanogenerators
Harvesting vibration and ultrasound energy are a growing research field in which various working mechanisms, material designs, and structures have been developed for powering electronic devices or develo** s...
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Chapter and Conference Paper
Strain Rate-Dependent Hardening Behavior of Weld Metal in Laser Welded Blanks with GEN3 AHSS
This paper introduces the effects of the strain rate on the hardening behavior of weld metal . Mini-tensile specimens to characterize the weld properties. Tensile tests were then performed at strain rates...
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Chapter and Conference Paper
Shape Optimization of a Cruciform-Like Specimen for Combined Tension and Shear Loading
The present work is concerned with the optimization of cruciform-like specimen shape under combined loading. A novel shape of a cruciform-like specimen is proposed, to measure flow stresses under combined ....
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Chapter and Conference Paper
Design of a New Cruciform-Like Specimen for Combined Tension and Shear of Metal Sheets
This paper is concerned with the design of a new cruciform-like specimen to measure plastic flow and shear loading conditions. An AA6013-T4 aluminum sheet is used as example material. borrows from the “smi...
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Article
Stress Corrosion Cracking of a Copper Pipe in a Heating Water Supply System
Stress corrosion cracking behavior of a copper pipe and its mechanism were investigated in a heating water supply system using both metallurgical and mechanical analyses. The X-ray diffraction and energy dispe...
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Article
Failure Analysis of a Water Wall Boiler Tube for Power Generation in a District Heating System
Corrosion failure of materials often exposed to the corrosive environment in district heating systems is critical for operation and maintenance of the facility. It is important to establish a prevention method...
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Article
Open AccessHygromorphic actuator from a metal oxide film driven by a nano-capillary forest structure
We have developed a hygromorphic metal oxide actuator using an electrochemical method to produce a superhydrophilic free-standing nano-capillary forest of titanium oxide with a high aspect ratio (~80). This me...
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Article
Design and roles of RGO-wrap** in charge transfer and surface passivation in photoelectrochemical enhancement of cascade-band photoanode
Fast charge transfer and anti-photocorrosion are two crucial factors for develo** efficient, durable photoanodes for photoelectrochemical (PEC) cells. Reduced graphene oxide (RGO) is a promising photoanode e...
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Article
Fully transparent, non-volatile bipolar resistive memory based on flexible copolyimide films
Partially aliphatic homopolyimides and copolyimides were prepared from rel-(1′R,3S,5′S)-spiro[furan-3(2H),6′-[3]oxabicyclo[3.2.1]octane]-2,2′,4′,5(4H)-tetrone (DAn), 2,6-diaminoanthracene (AnDA), and 4,4′-oxyd...
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Article
Electrically Tunable Phase Shifters with Air-Dielectric Sandwich Structure
Electrically tunable microwave phase shifter was developed by inserting dielectric slab and piezoelectric actuator inside a waveguide. Air-dielectric sandwich structure of dielectric material and thin air gap ...
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Article
Microwave Dielectric Spectroscopy of Ferroelectric Thin Films
We devised a measurement method of microwave dielectric constants of dielectric thin films without applying electrodes. The method uses a rectangular waveguide in which the dielectric thin films prepared on a ...
