Results 91 to 100 of about 918,356 (360)

Strong and wide microwave absorption of multilayered metastructure enhanced by impedance matching mechanism

open access: yesResults in Physics
The present study proposes a strong and wide microwave absorption of multilayered metastructure (SWMAMM) capable of achieving an ultra-wideband absorption of −20 dB and 60° oblique incidence. SWMAMM primarily consists of metasurface-Ⅰ (MS-Ⅰ), metasurface-
Zheyipei Ma, Yanqiong Liu, Chao Jiang
doaj   +1 more source

E-waste CRT panel glass reinforced Magnesium Composite Processed through Powder Metallurgy: Fabrication and Mechanical Performance Evaluation

open access: yesJournal of Materials Research and Technology, 2023
P. Gopal   +5 more
semanticscholar   +1 more source

Manganese‐Based Spinel Cathodes: A Promising Frontier for Solid‐State Lithium‐Ion Batteries

open access: yesAdvanced Materials, EarlyView.
Mn‐based spinel cathodes LiMn2O4 (LMO) and LiNi0.5Mn1.5O4 (LNMO), with the unique characteristics of low cost, structural stability, and 3D Li‐ion diffusion channels, have presented great potential in all‐solid‐state batteries. Here, a comprehensive understanding and valuable insights into the rational design and implications for the future development
Yu Dou   +6 more
wiley   +1 more source

Research progress in thermomechanical treatment process of TiAl alloys

open access: yesJournal of Aeronautical Materials
TiAl alloys have attracted much attention due to its excellent specific strength,specific stiffness,and high-temperature performance,which has great potential for application in the aerospace industry.
WANG Yan   +5 more
doaj   +1 more source

A Novel Process for Joining Ti Alloy and Al Alloy using Two-Stage Sintering Powder Metallurgy

open access: yesHigh Temperature Materials and Processes, 2018
The major challenges for conventional diffusion bonding of joining Ti alloy and Al alloy are the undesirable interfacial reaction, low matrixes and joint strength.
Long Luping   +4 more
doaj   +1 more source

STRUCTURE FORMATION OF WEAR RESISTANT COMBINED TITANIUM-BASED COATINGS ON HIGH SPEED STEEL

open access: yesНаука и техника, 2006
The paper proposes a technology of wear resistant coating formation on the basis of Ti. The combined technology includes electro arc evaporation in vacuum and ionic nitriding.
M. A. Andreyev   +2 more
doaj   +1 more source

Microstructures, mechanical properties, and grease-lubricated sliding wear behavior of Cu-15Ni-8Sn-0.8Nb alloy with high strength and toughness

open access: yesFriction, 2020
Alloys used as bearings in aircraft landing gear are required to reduce friction and wear as well as improve the load-carrying capability due to the increased aircraft weights. Cu-15Ni-8Sn-0.8Nb alloy is well known for possessing good mechanical and wear
Jinjuan Cheng   +5 more
doaj   +1 more source

Tuning Active Hydrogen on Reconstructed RuO2/Co(OH)2 Catalysts for Selective Ammonia Synthesis

open access: yesAdvanced Materials, EarlyView.
A combined approach of precatalyst design and electrolyte engineering is employed to develop highly active, selective, and stable catalysts for electrochemical nitrate reduction. In alkaline media, the reconstructed RuO2/Co(OH)2 catalyst demonstrates impressive performance in ammonia synthesis, rechargeable Zn‐NO3− battery, and the remediation of ...
Anquan Zhu   +12 more
wiley   +1 more source

Transmission electron microscopy characterization of microstructural features of Al-Li-Cu alloys [PDF]

open access: yes
A transmission electron microscopy (TEM) examination of aluminum-lithium-copper alloys was conducted. The principal purpose is to characterize the nature, size, and distribution of stringer particles which result from the powder metallurgy (P/M ...
Avalos-Borja, M.   +2 more
core   +1 more source

Laser Sintering of Stainless Steel using Resin Powder [PDF]

open access: yes, 2005
We tried laser sintering of 316L stainless steel powder using resin powder. The laser sintering conditions such as laser power, scan speed and scan pitch with a YAG laser, and the influence of additional resin powder on the density and the tensile ...
Imai, Y., Kyogoku, H., Shiraishi, K.
core   +1 more source

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