Results 41 to 50 of about 88,365 (292)

Innovative Processing of Compacted Waste Aluminum Alloy Powders via Controlled Remelting and Solidification

open access: yesAdvanced Engineering Materials, EarlyView.
This study demonstrates an efficient recycling route for out‐of‐spec AlSi10Mg atomized powders through compaction and arc remelting followed by suction casting. By correlating compaction load, cooling rate, and resulting microstructure, we show that intermediate pressures (50–80 kN) and rapid cooling refine dendrites, reduce porosity, and enhance ...
Mila Christy de Oliveira   +4 more
wiley   +1 more source

Analysis of woven fabric behavior under punching force

open access: yesJournal of Industrial Textiles, 2022
In several applications, the industrial and protective fabrics might be subjected to punching by the rigid sharp spikes. Fabric resistance to the penetration of the puncher at a constant rate was studied.
Magdi El Messiry, Eman Eltahan
doaj   +1 more source

Effect of Shape, Number, and Location of Openings on Punching Shear Capacity of Flat Slabs

open access: yesBuildings, 2021
Experimental evidence have proved that punching shear capacity of flat slabs deteriorate with the presence of openings located within the critical perimeter around columns.
Ekkachai Yooprasertchai   +5 more
doaj   +1 more source

Mesh sensitivity in discrete element simulation of flexible protection structures [PDF]

open access: yes, 2020
The Discrete Element Method (DEM) has been employed in recent years to simulate flexible protection structures undergoing dynamic loading due to its inherent aptitude for dealing with inertial effects and large deformations.
Castellanza, Riccardo   +3 more
core   +3 more sources

Solid‐State Diffusion and Intermetallic Phase Formation in Roll‐Bonded Mg–Zn Composites With Kirigami‐Patterned Inlay

open access: yesAdvanced Engineering Materials, EarlyView.
Mg–Zn composites with a thickness of 0.21 mm were fabricated using roll bonding of a kirigami‐patterned Mg alloy inlay within a Zn matrix. Thermal activation following this process led to the formation of tailored intermetallic structures, which provided the composite with enhanced flexural strength.
Yaroslav Frolov   +4 more
wiley   +1 more source

Optimization of high-pressure air jet parameters and analysis of erosion characteristics for similar materials in coal bodies

open access: yesMeikuang Anquan, 2023
In order to effectively avoid the possible drawbacks of water seal inhibiting gas resolution and reducing coal seam permeability, based on the existing air jet research foundation, theoretical analysis and laboratory experiments were used to analyze and ...
Heng MA, Zheng GONG, Ke GAO, Xin SONG
doaj   +1 more source

Determination of the Punching Cross-Section of Reinforced Concrete Flat Slabs [PDF]

open access: yes, 2016
In this paper, the punching shear resistance of slabs without punching shear reinforcement is investigated. We assumed that the punching shear resistance can be characterized by the shear resistance of the concrete compression zone, and that the load ...
Bogdándy, Béla, Hegedűs, István
core   +2 more sources

Influence of Test Temperature and Test Frequency on Fatigue Life of Aluminum Alloy EN AW‐2618A

open access: yesAdvanced Engineering Materials, EarlyView.
The influence of test temperature and test frequency on the fatigue life of EN AW‐2618A is investigated. High‐cycle fatigue tests are performed at different test temperatures and frequencies on the 1000 h/230°C overaged state. Both test parameters reduce fatigue life due to time‐dependent damage mechanisms.
Ying Han   +5 more
wiley   +1 more source

Joint strength of GFRP / A6061 Al alloy joint made by punching rivet method

open access: yesNihon Kikai Gakkai ronbunshu, 2022
To reduce weigh of the transportation machines, joining of the FRP and the light metal is considered as important technique. In this study, the punching rivet method was applied to make joints between a GFRP sheet and an aluminum alloy A6061 sheet and ...
Koichi KAIZU   +4 more
doaj   +1 more source

Peer-to-Peer Secure Updates for Heterogeneous Edge Devices [PDF]

open access: yes, 2018
We consider the problem of securely distributing software updates to large scale clusters of heterogeneous edge compute nodes. Such nodes are needed to support the Internet of Things and low-latency edge compute scenarios, but are difficult to manage and
Band, Emily   +3 more
core   +1 more source

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