Results 51 to 60 of about 63,572 (312)

Strengthening and Toughening CNTs/Mg Composites by OpTimizing the Grinding Time of Magnesium Powder

open access: yesNanomaterials, 2022
In this paper, CNT/Mg composites with high compressive properties were prepared by using Ni-plated CNT and pure magnesium powder as raw materials through the grinding of magnesium powder, ball-milling mixing and hot-pressing sintering.
Yunpeng Ding   +8 more
doaj   +1 more source

Research on the interface properties and strengthening–toughening mechanism of nanocarbon-toughened ceramic matrix composites

open access: yes, 2020
Nanocarbon materials (carbon nanotubes, graphene, graphene oxide, reduced graphene oxide, etc.) are considered the ideal toughening phase of ceramic matrix composites because of their unique structures and excellent properties.
Yizhang Liu   +6 more
semanticscholar   +1 more source

Melt Grafting of Geometry‐Tailored Voltage Stabilizers for High‐Performance Polypropylene Insulation

open access: yesAdvanced Functional Materials, EarlyView.
A scalable one‐step melt grafting strategy is developed to enhance the dielectric properties of isotactic polypropylene by covalently incorporating thermally stable aromatic voltage stabilizers. This solvent‐free approach improves volume resistivity and DC breakdown strength through deep trap formation and charge localization, offering a sustainable ...
Nazirul Mubin bin Normansah   +9 more
wiley   +1 more source

Criterion of micro-crack initiation in 1800 MPa class fail-safe steel (Development of fracture control from microstructure design)

open access: yesNihon Kikai Gakkai ronbunshu, 2016
The criterion of micro-crack initiation on stronger, tougher steel, i.e., fail-safe steel, with an ultrafine elongated grain (UFEG) structure was studied through a combinations of numerical simulation and experimental observations and measurements.
Tadanobu INOUE, Yuuji KIMURA
doaj   +1 more source

"Carboxylated nitrile rubber with high strength and toughness based on metal coordination bonds from tetravalent zirconium cation and carboxyl group"

open access: yesHecheng xiangjiao gongye, 2023
Based on the coordination interaction between carboxyl group of carboxylated nitrile rubber (XNBR) and Zr4+ from ZrOCl2·H2O, after XNBR was blended with ZrOCl2·H2O, sulfur and other cu-ring agents followed by hot-pressing, XNBR with high strength and ...
ZHU Shao-yi, QIAO Yun-he, LIU Ying-jun, DU Ai-hua
doaj   +1 more source

A Biologically‐Architected Wear and Damage‐Resistant Nanoparticle Coating From the Radular Teeth of Cryptochiton stelleri

open access: yesAdvanced Functional Materials, EarlyView.
The ultrahard teeth of mollusks that feed on rocky substrates contain a wear‐resistant coating on their surfaces consisting of densely packed mesocrystalline magnetic nanoparticles within an organic matrix. These coatings display significant hardness and toughness through their highly controlled mesocrystalline architectures.
Taifeng Wang   +7 more
wiley   +1 more source

First-principles study, fabrication and characterization of (Zr0.25Nb0.25Ti0.25V0.25)C high-entropy ceramic [PDF]

open access: yes, 2019
The formation possibility of a new (Zr0.25Nb0.25Ti0.25V0.25)C high-entropy ceramic (ZHC-1) was first analyzed by the first-principles calculations and thermodynamical analysis and then it was successfully fabricated by hot pressing sintering technique ...
Chu, Yanhui   +5 more
core   +2 more sources

Bone mechanical properties in healthy and diseased states [PDF]

open access: yes, 2018
The mechanical properties of bone are fundamental to the ability of our skeletons to support movement and to provide protection to our vital organs.
Hussein, Amira I.   +2 more
core   +1 more source

Toughening β‐Ga2O3 via Mechanically Seeded Dislocations

open access: yesAdvanced Functional Materials, EarlyView.
β‐Ga2O3 is promising for next‐generation semiconductors but its brittleness limits flexible and high‐precision applications. Here, mechanically seeded dislocations introduced by surface deformation improved damage tolerance in (001) β‐Ga2O3. Nanoindentation and characterization show dislocations suppress cleavage cracks by enabling stable plastic ...
Zanlin Cheng   +5 more
wiley   +1 more source

Isocyanate toughened pCBT: Reactive blending and tensile properties

open access: yeseXPRESS Polymer Letters, 2013
Cyclic butylene terephthalate oligomers (CBT) were reacted in a ring-opening polymerization with three types of isocyanates: a bifunctional aromatic type, a bifunctional aliphatic type and a polymeric aromatic isocyanate.
T. Abt   +3 more
doaj   +1 more source

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