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Showing 1 to 7 of 7 for “"PEKK"”.
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The effect of cooling rate on toughness and crystallinity in poly(ether ketone ketone) (PEKK)/G30-500 composites
Six poly(ether ketone ketone)/carbon composite panels were manufactured from powder coated towpreg. All six panels were initially processed using a hot press equipped with controlled cooling. Four of the panels were used to investigate the effect of cooling rate on crystallinity. A fifth panel was …
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Crystallization Behavior, Tailored Microstructure, and Structure-Property Relationships of Poly(Ether Ketone Ketone) and Polyolefins
… polymer poly(ether ketone ketone) (PEKK), 2) increase understanding of the influence of microstructure (random versus blocky) of functionalized semi-crystalline polymers on physical and chemical properties, and 3) understand the influence of additive manufacturing process parameters …
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Structure-Property Relationships of 3D Printed Thermoplastics for Implantable Orthopedic Devices
… (FFF) processing. Four FFF materials (PLA, PEEK, PEKK, and PPSU) are investigated with an emphasis on characterizing printed weld formation and the corresponding mechanical properties. Each material has properties that are suitable for varying applications, but a pervasive requirement for success …
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Investigation of a heirarchical collagen scaffold/3D printed lattice structure designed for use in total knee replacements
… (FDM) 3D printed poly ether ketone ketone (PEKK) lattice structure formed the load bearing component of the construct. This contained a lyophilised collagen scaffold filling the lattice voids, to encourage osseointegration. To understand the effects of printing parameters on the structure …
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Modification of Fused Filament Fabrication Printer to Print High Temperature Thermoplastics to Improve Z-Strength
… (PEEK), polyetherketoneketone (PEKK) and polyetherimide (PEI) were evaluated. The goal of developing the desktop 3D printer to print high temperature materials equivalent to high end printers was achieved. The testing concluded that the printer modifications were successful in …
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Melting and crystallization studies in a partially excluding copolymer
… been well understood. Poly(ether ketone ketone) PEKK is such a partially excluding copolymer in which the crystalline phase tends to exclude one of two similar monads. Previous studies on PEKK have focused on effects of changing overall composition on the melting and crystallization behavior. …
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Complexation of metal salts with phosphorus-containing poly(arylene ether)s
… e.g. UDEL@ and polyether ketones, e.g. PEEK@, PEKK@, etc. The PEPO materials show an elevated glass transition temperature, high thermal and oxidative stability, improved solubility, and increased flame resistance. It has been demonstrated that a variety of metal salts including metals such as …