Results 41 to 50 of about 369,995 (299)

Calculation and Prediction of Crushing Process of Al–Mg–Si Alloy Thin-Walled Components

open access: yesMetals, 2020
Crushing performance is being widely investigated because it is the key performance indicator of the thin-walled beam structure in automobile safety components.
Hui Guo   +3 more
doaj   +1 more source

Effects of heat treatment processes on the mechanical properties, microstructure evolution, and strengthening mechanisms of Al–Mg–Zn–Cu alloy

open access: yesJournal of Materials Research and Technology, 2023
In this study, the mechanical properties and strengthening mechanisms resulting from the evolution of microstructure in an Al-4.39Mg-2.78Zn-0.42Cu (wt%) alloy were investigated through various heat treatment processes.
Guwei Shen   +6 more
doaj   +1 more source

Research on a Comprehensive Evaluation Method of Train Anti-Slip System Performance

open access: yesApplied Sciences, 2023
The quality of a train’s braking anti-slip control system has a significant impact on train safety and braking performance. Currently, there is no established standard evaluation method for anti-slip control systems, making it an important area of ...
Gaowei Zhou   +4 more
doaj   +1 more source

Combination of Micelle Collapse and CuNi Surface Dissolution for Electrodeposition of Magnetic Freestanding Chitosan Film

open access: yesNanomaterials, 2022
Magnetic chitosan hydrogel has aroused immense attention in recent years due to their biomedical significance and magnetic responsiveness. Here, A new electrodeposition method is reported for the fabrication of a novel CuNi-based magnetic chitosan ...
Jingyuan Bai   +7 more
doaj   +1 more source

Nature of friction in the extrusion process and its effect on material flow [PDF]

open access: yes, 2003
This investigation focuses on simulation of the extrusion process and in particular the effect of the initial billet temperature on friction and its consequences on material ow.
Flitta, Isaac, Sheppard, Terry
core   +1 more source

Response of mechanical properties of A356 alloy to continuous rheological extrusion Al-5Ti-0.6C-xCe alloy addition upon different Ce contents

open access: yesJournal of Materials Research and Technology, 2023
A356 alloy is a commonly used casting Al-Si alloy. Because of the excellent fluidity, air-tightness and thermal resistance, it is usually used as castings with complex structure.
Da Teng   +4 more
doaj   +1 more source

Regulation of dislocation density and precipitates to maximize the mechanical strength and electrical conductivity in continuously extruded Cu–Ni–Si alloys

open access: yesJournal of Materials Research and Technology
Without homogenization or special micro-alloying treatment, the tensile strength and electrical conductivity of a commercial Cu–Ni–Si alloy can achieve 813 MPa and 51.2% IACS, respectively. The excellent combination properties were achieved by regulating
Fangxu Qi   +3 more
doaj   +1 more source

Microstructure evolution, diffusion behavior, and mechanical properties of a Cu/AlCoCrFeNi2.1 composite under pulsed magnetic field

open access: yesJournal of Materials Research and Technology, 2023
A Cu/AlCoCrFeNi2.1 composite was fabricated via solid-liquid method. In order to acquire the good interface bonding, the pulsed magnetic field (PMF) treatment was applied during the preparation of the Cu/AlCoCrFeNi2.1 composite.
Wanting Sun   +5 more
doaj   +1 more source

Extrusion - back to the future: using an established technique to reform automated chemical synthesis [PDF]

open access: yes, 2016
YesHerein, the benefits which extrusion can provide for the automated continuous synthesis of organic compounds are highlighted. Extrusion is a well-established technique that has a vital role in the manufacturing processes of polymers, pharmaceuticals ...
Crawford, Deborah E.
core   +2 more sources

In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS

open access: yesFEBS Letters, EarlyView.
We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka   +11 more
wiley   +1 more source

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