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Patterned Aluminum Foil for Ultrafast Lithium Storage ...

fabricate the micro-patterned Al foil, conventional Al foil is physically pressed using SUS-mesh (150 mesh) having a wire diameter of ~50.8-56.2 um with pore size of ~113.7-138.4 um as a template for the pattern formation on surface of Al foil. In roll pressing, the roll speed and humidity were maintained at 12 rpm and under 5%, respectively.

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Solidification of Al-Cu Alloys - University of Southampton

Now, the Al-20wt%Cu alloy is hypoeutectic.The liquid alloy initially contains a higher percentage of Al than that corresponding to the eutectic composition; the primary solid phase that forms is therefore alpha.. Formation of the alpha phase, however, depletes the remaining liquid in Aluminium (Al) and the liquid composition shifts toward the eutectic composition.

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Evidence for Fe-Si-O liquid immiscibility at deep Earth ...

May 21, 2019· Earth's outer core is composed of a liquid iron alloy with up to 10% of unknown light elements, likely silicon, oxygen, sulfur, carbon, or hydrogen. The release of these light elements upon freezing of the solid iron inner core plays an important role in sustaining Earth's magnetic field, but the exact chemical makeup of the core is widely debated. In this paper, we perform high-pressure ...

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Drying-Mediated Self-Assembly of ... - Nano-Micro Letters

Jan 27, 2020· Scalable fabrication of high-rate micro-supercapacitors (MSCs) is highly desired for on-chip integration of energy storage components. By virtue of the special self-assembly behavior of 2D materials during drying thin films of their liquid dispersion, a new inkjet printing technique of passivated graphene micro-flakes is developed to directly print MSCs with 3D networked porous microstructure.

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Using coupled micropillar compression and micro-Laue ...

Al 13 Co 4 is a complex metallic alloy (CMA) with a unit cell of 102 atoms. The orthorhombic form has a unit cell with lattice parameters of a = 8.158 Å, b = 12.342 Å, and c = 14.452 Å. 1 1. J. Grin, U. Burkhardt, M. Ellner, and K. Peters, J. Alloys Compd. 206, 243 (1994).

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Chromoblastomycosis | Clinical Microbiology Reviews

SUMMARY Chromoblastomycosis (CBM), also known as chromomycosis, is one of the most prevalent implantation fungal infections, being the most common of the gamut of mycoses caused by melanized or brown-pigmented fungi. CBM is mainly a tropical or subtropical disease that may affect individuals with certain risk factors around the world. The following characteristics are associated with this ...

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Microstructural evolution, electrochemical and corrosion ...

May 15, 2019· The microstructure of the Al x CoCrFeNiTi y high entropy alloy (HEA) system was studied using X-ray diffraction, scanning and transmission electron microscopy. A microstructural evolution from single-phase FCC to FCC + BCC + B2 occurred with increasing Al content. The addition of a comparatively small amount of Ti led to the formation of a Fe-Cr sigma phase.

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Microstructure and Mechanical Properties of Electron Beam ...

Electron beam welding of a titanium alloy (Ti-6Al-4V) and a kovar alloy (Fe-29Ni-17Co) was performed by using a Cu/Nb multi-interlayer between them. Microstructure and composition of welded joints were analyzed by means of optical microscopy, scanning electron microscopy, energy dispersive spectroscopy, and X-ray diffraction. Mechanical properties of welded joints were evaluated by ...

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Methane as an effective hydrogen source for single-layer ...

1 Methane as an effective hydrogen source for single-layer graphene synthesis on Cu foil by plasma enhanced chemical vapor deposition† Yong Seung Kim,a, b Jae Hong Lee,a, b Young Duck Kim,c Sahng-Kyoon Jerng,a, b Kisu Joo,d Eunho Kim,a, e Jongwan Jung,a, e Euijoon Yoon,d, f, g Yun Daniel Park,c Sunae Seo,a, b Seung-Hyun Chuna, b, * a Graphene Research Institute, Sejong University, .

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Anodization of nanoporous alumina on impurity-induced ...

Nov 16, 2011· The low-purity Al foil contains higher contents of impurities including the primary Si and Fe summed about 0.6% and others of Zn, Cu, Mg, Mn, and Ti elements being about 0.3% to 0.4%. When the anodizing process reaches these impurities, especially the elements with much higher electric resistivity, the local Joule heat significantly increases too.

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Formation of metal nanostructures by high-temperature ...

Mar 31, 2013· Youn S, Ueno A, Okuyama C, Takagi H, Takahashi M, Maeda R (2009) Direct imprint of Al foil for metallization of high-aspect ratio Al lines in nano/micro patterned SiO 2 /Si. Microelectron Eng 86:600–603. doi: 10.1016/j.mee.2008.11.014

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Effect of Co and Ni Addition on the Microstructure and ...

Oct 02, 2017· Stadler et al.1 reported that the addition of Ni creates a stronger interconnected 3D network of Al–Si eutectic and Al 3 Ni phases. However, it is difficult to make a direct observation of such an effect based on these micrographs. The microstructure of the Al–7Si–Co–Ni–Sr alloy exhibits a fully modified structure (see Figure 2b).

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Micro hot embossing of thermoplastic polymers: a review ...

Dec 12, 2013· Micro hot embossing of thermoplastic polymers is a cost-effective replication technology to transfer microstructure patterns from a master mold onto a polymeric substrate at proper pressure and temperature [].In both academia and industry, micro hot embossing is regarded as one of the most promising processes to fabricate high-precision and high-quality features in micro/nano .

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INHIBITION OF SINTERING BY Si DURING THE CONVERSION .

drite to surface effects of Si, ke., the formation of Si- O-Fe bonds that inhibit the dehydroxylation and the subsequent atomic rearrangement to hematite (Herbil- Ion and Tran Vinh An, 1969; Zhao et al., 1994). Pure and Si-rich ferrihydrites may, however, dehydroxylate

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1. Experimental section

foil, Al foil and super P were purchased from Alfa Aesar. All analytical grade and used without further purification. 1.2 Materials preparation The preparation of hexagonal CuSe sheets Firstly, 12 g (0.3 mol) sodium hydroxide (NaOH) was dissolved in 25 mL deionized water to form 12 mol L-1 sodium hydroxide (NaOH) solution, which was

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A review on forming techniques for manufacturing ...

Jun 01, 2018· Recently, the QPF technology has been used in the aerospace industry, mainly for forming titanium alloys and Al-Li alloys . Fan et al. investigated the strengthening behaviour and microstructure evolutions of AA2195 using a hot gas forming process integrated with heat treatment, as shown in Fig. 16(a). The objective of this process was to avoid ...

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Journal of Alloys and Compounds | Vol 823, 15 May 2020 ...

select article Micro-light-emitting diode with n-GaN/NiO/Au-based resistive-switching electrode for compact driving circuitry ... select article Microstructure evolution for oxide film of anodic aluminum foil used in high voltage electrolytic capacitor ... select article A novel method to enhance the performance of an ex-situ Al/Si-YSZ metal ...

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Research Article Facile Solventless Synthesis of a Nylon-6 ...

Si(CH 3)3 groupsat the pore surface [ ]. ... Synthetic nylon membranes have a porous structure [ ] and are composed of micro brils that are interconnected forming a three-dimensional network. Such morphological features provide a unique reaction vessel for ... Ho und and Hazos [ ] and calibrated with metallic Ag foil as reference., / Nylon ...

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Paperity - Multidisciplinary aggregator of Open Access ...

BMC Gastroenterology, Fei Chen, Fei Wang, Si Sun, et al. Ultrasound (US) imaging is known to underestimate tumor size in clinical. This study is aimed to compare the size measurements of hepatocellular carcinoma (HCC) in three US imaging modalities, i.e. two-dimensional (2D) imaging, the arterial phase (AP) and the late phase (LP) imaging of ...

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IRRADIATION PERFORMANCE OF U-Mo MONOLITHIC FUEL ...

Apr 01, 2014· In the AA6061 vs. Zr couples annealed at and above 560°C, a thick layer of (Al,Si) 3 Zr phase with low Si content was observed to develop, while thinner layers of Al 5 SiZr 2 and (Al,Si) 2 Zr phases developed at the AA6061/(Al,Si)3Zr and (Al,Si) 3 Zr/Zr interfaces, respectively. Negligible diffusional interaction between AA6061 vs. Zr was ...

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Lithium metal stripping beneath the solid electrolyte ...

Aug 21, 2018· lithium metal; stripping; solid electrolyte interphase; pitting; battery; To commercially deploy Li-S and Li-O 2 batteries (1 ⇓ ⇓ –4), numerous studies have been devoted to improving the reversibility of Li metal (2, 5 ⇓ ⇓ –8).Among them, a major focus has been placed on preventing the growth of lithium dendrites (9 ⇓ ⇓ ⇓ ⇓ –14), which only involves the reduction reaction ...

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Aluminum and Aluminum Alloys - NIST

Al-Cu (201–206) 353–467 51–68 Al-Cu-Ni-Mg (242) 186–221 27–32 Al-Cu-Si (295) 110–221 16–32 Al-Si-Cu (319) 186–248 27–36 Al-Si-Cu-Mg (355, 5% Si, 1.25% Cu, 0.5% Mg) 159–269 23–39 Al-Si-Mg (356, 357) 159–345 23–50 Al-Si-Cu-Mg (390, 17% Si, 4.5% Cu, 0.6% Mg) 179–276 26–40 Al-Zn (712, 713) 241 35 Non-heat treatable die ...

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MICROSTRUCTURE OF ALLOYS*

10). When magnesium content exceeds about 3.5%, Mg.Al, or metasta­ ble Mg-Al,'may precipitate in grain boundaries or within grains, result­ ing from low-temperaturethermal operations (Fig. 11). Chromium is a frequent additive and may appear as a fine dispersoid of CrzMg3AI,s. When manganese also is present, iron-richphases become quite complex,

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MICROSTRUCTURE OF ALLOYS*

10). When magnesium content exceeds about 3.5%, Mg.Al, or metasta­ ble Mg-Al,'may precipitate in grain boundaries or within grains, result­ ing from low-temperaturethermal operations (Fig. 11). Chromium is a frequent additive and may appear as a fine dispersoid of CrzMg3AI,s. When manganese also is present, iron-richphases become quite complex,

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Electrochemical Activation of Heterometallic Nanofibers ...

micro/cm 3 g‐1a V meso/cm 3 g‐1 b Pd‐Co 20.0 0.139 0.009 0.12 Pd‐Ni 14.4 0.0941 0.004 0.083 Pd‐Mn 14.3 0.0486 0.007 0.045 aV micro was calculated by the .

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One-Step Formation of Silicon-Graphene Composites from ...

Sep 20, 2016· Wang, D. et al. Enhanced cycle stability of micro-sized Si/C anode material with low carbon content fabricated via spray drying and in situ carbonization. J. Alloy Compd. 604 .

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MICROSTRUCTURE OF ALLOYS*

10). When magnesium content exceeds about 3.5%, Mg.Al, or metasta­ ble Mg-Al,'may precipitate in grain boundaries or within grains, result­ ing from low-temperaturethermal operations (Fig. 11). Chromium is a frequent additive and may appear as a fine dispersoid of CrzMg3AI,s. When manganese also is present, iron-richphases become quite complex,

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Research Article Facile Solventless Synthesis of a Nylon-6 ...

Si(CH 3)3 groupsat the pore surface [ ]. ... Synthetic nylon membranes have a porous structure [ ] and are composed of micro brils that are interconnected forming a three-dimensional network. Such morphological features provide a unique reaction vessel for ... Ho und and Hazos [ ] and calibrated with metallic Ag foil as reference., / Nylon ...

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Flexible microblanking of amorphous alloys under laser ...

Aug 01, 2020· Takahashi et al. used rubber as a punch, and successfully completed the microblanking on amorphous alloy foil under the impact pressure of 200–400Mpa, and obtained good forming quality. Murakoshi et al. [ 27 ] studied the influence of different blanking speed on the forming quality of amorphous alloy in the range of 0.06–15 m/s.

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[PDF] HAZ CHARACTERIZATION OF GTD-111 NICKEL BASED ...

Heat affected Zone (HAZ) of TIG welded Ni base GTD 111 superalloys using various filler materials were investigated. The characterization was done based on microstructure observation and hardness estimation. The micro-hardness mapping indicates that the HAZ's were restricted to an area within 1mm from the weld junction, independent of filler materials used.

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SEI for Lithium Metal Batteries Supporting Information ...

The desired thickness (~1 μm) of the LiRAP-ASEI on hot Cu foil (10 cm × 10 cm) were controlled via the blade coating method. The foil was constantly heated for 20 minutes at 340 °C and then was rapidly quenched to room temperature, which resulted smooth morphologies with the presence of micro grains.

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