Results 111 to 120 of about 143,077 (312)

The influence of toughening-particles in CFRPs on low velocity impact damage resistance performance

open access: yes, 2014
The role of particle-toughening for increasing impact damage resistance in carbon fibre reinforced polymer (CFRP) composites was investigated. Five carbon fibre reinforced systems consisting of four particle-toughened matrices and one system containing ...
Bull, D.J.   +3 more
core   +1 more source

Cyclic Olefin Copolymers as Versatile Materials for Advanced Engineering Applications

open access: yesAdvanced Functional Materials, EarlyView.
Cyclic olefin copolymers (COCs) are presented as highly versatile materials combining tunable synthesis, excellent optical properties, and mechanical robustness. Their potential spans microfluidics, bioengineering, and advanced electronics, while emerging self‐healing and sustainable solutions highlight future opportunities.
Giulia Fredi   +3 more
wiley   +1 more source

Intergranular precipitation evolution and its effect on the impact toughness of Super304H austenitic stainless steel weld metal during long-term aging at 650 °C

open access: yesJournal of Materials Research and Technology
The microstructural evolution and its effect on the impact toughness of Super304H austenitic stainless steel weld metal during long-term aging at 650 °C was investigated in detail.
Conghao Du, Xue Wang
doaj   +1 more source

Effect of microstructure on tensile properties, impact toughness and fracture toughness of TC21 alloy

open access: yesMaterials & Design, 2019
This paper aims to reveal how multi-level lamellar microstructure influences strength and toughness of TC21 alloy after different solution treatment ranging from 980 °C to 1020 °C and annealed at 770 °C. Microstructural characterization was performed by using optical microscopy (OM), scanning electron microscopy (SEM), electron backscatter diffraction (
Xin Wen   +6 more
openaire   +2 more sources

Toughening polyamide 6 nanocomposites with maleic anhydride grafted polyethylene octene [PDF]

open access: yes, 2006
Rubber toughened nanocomposites consisting of ternary blends of polyamide 6 (PA 6), maleic anhydride grafted polyethylene octene (POEgMAH) and organoclay montmorillonite (MMT) were prepared by melt compounding followed by injection moulding.
Hassan, Azman   +4 more
core  

Coating Artificial Spider Silk Fiber with Magnetic FeCo: An Effective Strategy for Creating a Flexible Magneto‐Responsive Material

open access: yesAdvanced Functional Materials, EarlyView.
An original method is presented for producing artificial spider silk fibers with magnetic and magnetomechanical responsiveness, which consists in coating them with a nanometer‐thick layer of FeCo alloy by sputtering deposition. The challenge of combining organic materials and inorganic magnetic nanostructures is addressed, thus taking a step forward ...
Filippo Lanaro   +5 more
wiley   +1 more source

Unraveling the Mechanism of Toughness Fluctuation in Ultra-High-Strength Casing from the Perspective of Crystallography

open access: yesMetals
The microstructure and impact toughness in an ultra-high-strength casing were investigated, attempting to reveal the reason for toughness fluctuations along the casing in terms of crystallography.
Zhan Gao   +7 more
doaj   +1 more source

The effects of the minimum wage on wages and employment in Brazil: a menu of minimum wage variables [PDF]

open access: yes, 2002
The international literature on minimum wage strongly lacks empirical evidence from developing countries. In Brazil, not only are increases in the minimum wage large and frequent - unlike the typically small increases focused upon in most of the ...
Lemos, S.
core  

Laser‐Assisted Processing and Modification of Bioactive Glasses: A Review

open access: yesAdvanced Healthcare Materials, EarlyView.
Laser technologies provide powerful tools to process and transform bioactive glasses for advanced biomedical applications. This review discusses laser‐matter interaction mechanisms, laser surface engineering, and laser‐assisted fabrication of scaffolds and nanofibers.
Antonio Riveiro   +8 more
wiley   +1 more source

Effects of intra- and inter-laminar resin content on the mechanical properties of toughened composite materials [PDF]

open access: yes
Composite materials having multiphase toughened matrix systems and laminate architectures characterized by resin-rich interlaminar layers (RIL) have been the subject of much recent attention.
Avery, William B.   +3 more
core   +1 more source

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