Results 41 to 50 of about 163,552 (306)

Research on loss characteristic of soft magnetic composites under nonsinusoidal excitations with DC bias field

open access: yesAIP Advances
Choosing a suitable core loss model and accurately predicting energy loss are crucial in designing magnetic devices with high efficiency based on soft magnetic composites (SMCs).
Chao Mei   +7 more
doaj   +1 more source

Concentration-dependent construction of raspberry-like SiO2 shell on spherical FeNi towards improved electromagnetic performance from kHz to GHz

open access: yesJournal of Materials Research and Technology, 2023
Constructing resistive layer with novel structure holds great potential in upgrading electromagnetic properties of soft magnetic materials in a wide frequency range. In this work, FeNi@SiO2 composites with controllable core–shell structures, including 2D-
Kun Wan   +5 more
doaj   +1 more source

High toughness-high strength iron alloy [PDF]

open access: yes, 1980
An iron alloy is provided which exhibits strength and toughness characteristics at cryogenic temperatures. The alloy consists essentially of about 10 to 16 percent by weight nickel, about 0.1 to 1.0 percent by weight aluminum, and 0 to about 3 percent by
Stephens, J. R., Witzke, W. R.
core   +1 more source

Ag-Cu alloy surfaces in an oxidizing environment: a first-principles study

open access: yes, 2008
Recent experiments on model catalysts have shown that Ag-Cu alloys have improved selectivity with respect to pure silver for ethylene epoxidation. In this paper we review our first-principles investigations on the (111) surface of this alloy and present ...
Bocquet   +56 more
core   +1 more source

Low‐Cost, Large‐Scale Nanoporous Metals by Mechanical Alloying, Oxide Reduction, and Dealloying of Powders

open access: yesAdvanced Engineering Materials, EarlyView.
Powder metal processing provides scalable advantages in nanoporous (np) metal development. Mechanical alloying is used to produce unique precursors for hybrid nanopore formation by oxide reduction and dealloying. As demonstrated in np Ag, this approach improves process efficiency while promoting smaller ligaments and larger pores, both of which are ...
Mark A. Atwater, Oliver A. Fowler
wiley   +1 more source

Preparation of submicrocrystal Al-Ti-B master alloy and its influence on microstructure and properties of AZ91D [PDF]

open access: yesChina Foundry, 2017
To improve the mechanical properties of AZ91D magnesium alloy, the submicrocrystal Al-Ti-B master alloy was prepared with copper mold inject casting method, and the influence of submicrocrystal Al-Ti-B master alloy on the microstructure and mechanical ...
Tian-shun Dong   +2 more
doaj   +1 more source

Coiled sheet metal strip opens into tubular configuration [PDF]

open access: yes, 1966
Copper alloy is converted into a spring material that can be rolled into a compact coil which will spontaneously open to form a tube in the long direction of the strip.
Park, J. J.
core   +1 more source

Electrochemical Evaluation of Compressed Selective Laser Melted AlSi7Mg and AlSi10Mg Alloys in Chloride Environment

open access: yesAdvanced Engineering Materials, EarlyView.
The corrosion performance of AlSi7Mg and AlSi10Mg alloys produced through selective laser melting (SLM) was examined under compressive stress in a chloride environment. Electrochemical analyses, including open‐circuit potential (OCP), potentiodynamic polarization (CPP), and electrochemical impedance spectroscopy (EIS), were complemented by scanning ...
Femi John Akinfolarin   +2 more
wiley   +1 more source

Effects of diffusion bonding temperature and holding time on the microstructure and strength of diffusion bonded B4C-HfB2-SiC composite ceramic joint

open access: yesJournal of Materials Research and Technology
Diffusion bonding of B4C-HfB2-SiC composite ceramic with Ti and NiCoCr medium-entropy alloy as the composite interlayer material was studied in this work. The effects of diffusion bonding temperature and holding time on the interfacial microstructure and
Langxiang Zhong   +4 more
doaj   +1 more source

Determination of optimal parameters technological process of polling of copper wire with alloy POS-61

open access: yesChimica Techno Acta, 2022
The development of the technique for the manufacture of round copper wire coated with "tin-lead" alloy is considered. The optimal parameters such as the temperature of the "tin-lead" alloy melt, the linear speed for tinning of the wire with a round ...
V. V. Aleksandrova   +4 more
doaj   +1 more source

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