Results 191 to 200 of about 10,152 (224)

A constitutive model of polyether-ether-ketone (PEEK)

Journal of the Mechanical Behavior of Biomedical Materials, 2016
A modified Johnson-Cook (JC) model was proposed to describe the flow behaviour of polyether-ether-ketone (PEEK) with the consideration of coupled effects of strain, strain rate and temperature. As compared to traditional JC model, the modified one has better ability to predict the flow behaviour at elevated temperature conditions.
Fei Chen, Hengan Ou, Hui Long
exaly   +4 more sources

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Effects of microstructural inclusions on fatigue life of polyether ether ketone (PEEK)

Journal of the Mechanical Behavior of Biomedical Materials, 2015
In this study, the effects of microstructural inclusions on fatigue life of polyether ether ketone (PEEK) was investigated. Due to the versatility of its material properties, the semi-crystralline PEEK polymer has been increasingly adopted in a wide range of applications particularly as a biomaterial for orthopedic, trauma, and spinal implants.
Jutima Simsiriwong, N Shamsaei, Robert D Moser   +2 more
exaly   +3 more sources

Aqueous electrophoretic deposition of bulk polyether ether ketone (PEEK)

Journal of Materials Processing Technology, 2015
Abstract Aqueous electrophoretic deposition (EPD) is a colloidal processing technique which enables fast formation of bulk deposits. The addition of suitable surfactant would enable dispersion, and due to their effect on electrokinetic properties, also the deposition of hydrophobic particles of polyether ether ketone (PEEK).
Aljaz Ivekovic, Mitjan Kalin
exaly   +2 more sources

Computed-tomography modeled polyether ether ketone (PEEK) implants in revision cranioplasty

Journal of Plastic, Reconstructive and Aesthetic Surgery, 2015
Traditional cranioplasty methods focus on pre-operative or intraoperative hand molding. Recently, CT-guided polyether ether ketone (PEEK) plate reconstruction enables precise, time-saving reconstruction. This case series aims to show a single institution experience with use of PEEK cranioplasty as an effective, safe, precise, reusable, and time-saving ...
Bruce Mickey
exaly   +3 more sources

The effects of cryogenic cooling on the grinding process of polyether ether ketone (PEEK)

Journal of Manufacturing Processes, 2020
Abstract The production of special high capability polymers and improvement of their physical and mechanical properties have led researchers to study the material removal mechanism of novel polymers. Fast loading of the grinding wheel is one of the main problems of polymers grinding which affect the whole process.
Mohammad Khoran, Hossein Amirabadi, Bahman Azarhoushang   +2 more
exaly   +3 more sources

Effects of Surface Topography and Chemistry on Polyether-Ether-Ketone (PEEK) and Titanium Osseointegration

Spine, 2020
Study Design. An in vivo study examining the functional osseointegration of smooth, rough, and porous surface topographies presenting polyether-ether-ketone (PEEK) or titanium surface chemistry. Objective.
F Brennan, Torstrick, Angela S P, Lin, David L, Safranski, Daniel, Potter, Todd, Sulchek, Christopher S D, Lee, Ken, Gall, Robert E, Guldberg   +7 more
openaire   +2 more sources

Covalent attachment of polymeric monolith to polyether ether ketone (PEEK) tubing

Analytica Chimica Acta, 2016
A new method of reproducible preparation of vinylic polymeric monolithic columns with a key step of covalently anchoring the monolith to PEEK surface is described. In order to chemically attach the polymer monolith to the tube wall, methacrylate functional groups were introduced onto PEEK surface by a three-step procedure, including surface etching ...
Chunguang, Lv, Jaana, Heiter, Tõiv, Haljasorg, Ivo, Leito   +3 more
openaire   +2 more sources

Mechanical characterization and numerical simulation of polyether–ether–ketone (PEEK) cranial implants

Journal of the Mechanical Behavior of Biomedical Materials, 2011
Cranial implants have experienced a significant evolution in the last decade in different aspects such as materials, method of fixation, and the structure. In addition, patient-specific cranial implants have recently been started to be developed. To achieve this objective, efficient mechanical characterization and numerical modeling of the implant are ...
El Halabi, F., RODRIGUEZ MATAS, JOSE FELIX, Rebolledo, L., Hurtós, E., Doblaré, M.   +4 more
openaire   +3 more sources

Thermomechanical behaviors of polyether ether ketone (PEEK) with stretch-induced anisotropy

Journal of the Mechanics and Physics of Solids, 2021
Abstract Polyether ether ketone (PEEK) is a semi-crystalline thermoplastic polymer with excellent thermo-mechanical properties, bio-compatibility, corrosion resistance, and 3D printability. Due to these merits, it has wide applications in aeronautics and biomedical devices.
Ming Lei, Craig M. Hamel, Kaijuan Chen, Zeang Zhao, Haibao Lu, Kai Yu, H. Jerry Qi   +6 more
openaire   +1 more source

Cyclic deformation and fatigue behavior of polyether ether ketone (PEEK)

International Journal of Fatigue, 2016
Abstract In this study, the fatigue behavior of a semi-crystalline thermoplastic polyether ether ketone (PEEK) is investigated. A series of tests at ambient temperature, including uniaxial monotonic (tension and compression) at different strain rates and uniaxial fully-reversed strain-controlled cyclic tests at strain amplitudes ranging from 0.02 mm ...
Rakish Shrestha, Jutima Simsiriwong, Nima Shamsaei, Robert D. Moser   +3 more
openaire   +1 more source