Results 31 to 40 of about 1,763 (165)

Implantable PEKK/tantalum microparticles composite with improved surface performances for regulating cell behaviors, promoting bone formation and osseointegration

open access: yesBioactive Materials, 2021
Polyetherketoneketone (PEKK) exhibits admirable biocompatibility and mechanical performances but bioinert while tantalum (Ta) possesses excellent osteogenesis and osseointegration but high elastic modulus and density, and processing is too difficult and ...
Xinglong Hu   +8 more
doaj   +1 more source

Parametric Study of PEKK Based Fiber Metal Laminates Used in Aerospace Applications [PDF]

open access: yesEngineering and Technology Journal, 2023
Numerical analyses offer a cost-effective and efficient alternative to experimental investigations, and Finite Element (FE) models have become a popular tool to simulate the behavior of Fiber metal laminates (FMLs) under impact loads. This study verified
Nassier Nassir, R. Birch, A. Haldar
doaj   +1 more source

High Porosity Poly(ether ketone ketone): Influence of Solvents on Foam Properties

open access: yesMacromolecular Materials and Engineering, 2023
Poly(ether ketone ketone) (PEKK) is a semicrystalline high‐performance polymer with exceptional mechanical properties, high continuous operation temperature, and is insoluble in most common solvents.
Dmitrii Rusakov   +2 more
doaj   +1 more source

CRYSTALLISATION STUDIES ON NEAT PEKK AND CARBON FIBRE/PEKK COMPOSITES

open access: yes, 2023
Study of the crystallisation behaviour, morphology, kinetics and modelling of unreinforced PEKK and carbon fibre-PEKK composite.
Helena Pérez-Martín   +4 more
openaire   +1 more source

Reliability of Polyetherketoneketone as Definitive Implant-Supported Bridges in the Posterior Region—An In Vitro Study of the Ultimate Fracture Load and Vertical Marginal Discrepancy after Artificial Aging

open access: yesApplied Sciences, 2022
Purpose: This study aims to investigate the ultimate fractural strength and marginal integrity of a three-unit implant-supported fixed partial denture (FPD) framework fabricated of polyetherketoneketone (PEKK) after simulated five-year clinical aging ...
Surakit Visuttiwattanakorn   +3 more
doaj   +1 more source

Preparation and Characterization of a Polyetherketoneketone/Hydroxyapatite Hybrid for Dental Applications

open access: yesJournal of Functional Biomaterials, 2022
Here, we developed a new synthetic method for the production of a new class of polymeric inorganic hybrid biomaterial that has potential for dental implant applications and, in general, other orthopedic applications owing to its excellent mechanical ...
Wenhsuan Lu   +7 more
doaj   +1 more source

Interaction du PEKK et des composites PEKK/FC avec l'eau et le Skydrol

open access: yes, 2023
Lightening aircraft remains a major issue for the aeronautics industry. The development of composites with thermoplastic matrices, replacing thermosetting ones, makes it possible to obtain weldable and recyclable materials, with a higher service ...
Lesimple, Gwladys
core   +3 more sources

Nanoreinforced PEKK: Enhancing Dental Implant Performance with SiO2 Nanoparticles [PDF]

open access: yesNanomedicine Research Journal
Objective(s): Despite a global increase in dental implant procedures -now exceeding one million annually-there remains significant potential for advancement in implant materials.
Ghasak Husham Jani   +4 more
doaj   +1 more source

Mechanical performance of graphenex/poly(ether ketone ketone) composite sheets by hot pressing

open access: yesScientific Reports, 2022
Polymer composites are gradually replacing traditional metal materials in the fields of aviation, aerospace, automotive and medicine due to their corrosion resistance, light weight and high strength.
Q. B. Wang   +6 more
doaj   +1 more source

Macromolecular modifications of poly(etherketoneketone) (PEKK) copolymer at the melting state [PDF]

open access: yes, 2018
Macromolecular modifications of poly(etherketoneketone) (PEKK) copolymer prepared from diphenyl ether (DPE), terephthalic acid (T) and isophthalic acid (I) with a T/I ratio of 60/40 have been investigated above its melting temperature by gel permeation ...
CHOUPIN, Tanguy   +7 more
core   +1 more source

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