Results 31 to 40 of about 25,849 (309)

Dual-ionic imidazolium salts to promote synthesis of cyclic carbonates at atmospheric pressure

open access: yesGreen Energy & Environment, 2022
Novel dual-ionic imidazolium salts are shown to display excellent catalytic activity for cycloaddition of carbon dioxide and epoxides under room temperature and atmospheric pressure (0.1 MPa) without any solvent and co-catalyst leading to 96.1% product ...
Tengfei Wang   +8 more
doaj   +1 more source

Deformation behaviors and the related high-temperature mechanical properties of Mg–11Gd–5Y–2Zn–0.7Zr via regulating extrusion temperatures

open access: yesJournal of Materials Research and Technology, 2023
The effects of extrusion temperatures (430, 450, 470 and 490 °C) on the microstructures and mechanical properties of Mg–11Gd–5Y–2Zn–0.7Zr (GW) alloys at room temperature (RT), 250, 300, 350 °C were systematically investigated.
Jianxin Zhou   +10 more
doaj   +1 more source

Microstructures and the improved mechanical properties of AZ91 alloy by incorporating Ti-6Al-4V particles

open access: yesJournal of Materials Research and Technology, 2023
Magnesium (Mg) based composites are often difficult to achieve the trade-off between strength and ductility. The titanium (Ti) metal particles, which show better wettability and ductility than ceramic particles, are selected as reinforcements to ...
Hong Yang   +9 more
doaj   +1 more source

Substitution of Ni for Zn on microstructure and mechanical properties of Mg–Gd–Y–Zn–Mn alloy

open access: yesJournal of Magnesium and Alloys, 2017
This study analyzes the effect of substitution of Ni for Zn on microstructure and mechanical properties of Mg–Gd–Y–Zn–Mn alloy. Our results show that the volume fraction of Mg5(Gd, Y) and (Mg, Zn)3RE phase decreased and LPSO phase increased with more ...
Rongqing Zhang   +4 more
doaj   +1 more source

Increasing the compact density and its consistency in the cross-section for enhancing the anti-corrosion and mechanical properties of micro-arc oxidation coatings

open access: yesJournal of Materials Research and Technology, 2022
The micro-arc oxidation coatings (MAO) coatings formed on the magnesium (Mg) matrix usually have various porosity in the cross-section due to the uneven thermal stress, resulting in the non-consistent compact density in the external and inner layer ...
Ke Wang   +9 more
doaj   +1 more source

Biodegradation and Mechanical Integrity of Magnesium and Magnesium Alloys Suitable for Implants

open access: yes, 2013
This book chapter deals with the fundamental aspects of corrosion of magnesium based alloys in bodily fluids and reviews the various techniques that can be used to tune their degradation rate.
Suriñach, Santiago   +9 more
core   +1 more source

The Metamorphosis of Mg(SO3CF3)2‐based Electrolytes for Rechargeable Magnesium Batteries

open access: yesChemElectroChem
Cost‐effective, non‐corrosive and non‐nucleophilic Mg(SO3CF3)‐based electrolytes with high anodization stability are promising candidates for realizing high‐performance rechargeable magnesium batteries (RMBs). Since the 1990s, the community has developed
Dr. Jinlong Chen   +5 more
doaj   +1 more source

Dynamic recrystallization mechanism of high-strength Mg-Gd-Y-Zn-Mn alloy by hot compression deformation

open access: yesJournal of Materials Research and Technology
The Mg-8Gd-3.5Y-1.5Zn-0.8Mn (wt%) alloy was designed and prepared to investigate the synergistic dynamic recrystallization (DRX) mechanism at high temperature and low strain rate.
Yini Lin   +8 more
doaj   +1 more source

Effects of layer thickness ratio on the bendability of Mg-Al-Zn/Mg-Gd laminated composite sheet

open access: yesJournal of Materials Research and Technology, 2022
Despite the laminated composite sheets of dissimilar magnesium (Mg) alloys have attracted great attention due to their excellent comprehensive mechanical properties as compared to the sheets of individual alloys, how the structural parameters, especially
Shengwen Bai   +10 more
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

open access: yesFEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe   +3 more
wiley   +1 more source

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