Results 11 to 20 of about 3,071 (184)

Morphological, Thermal, and Mechanical Analysis of 3D Printed Polyetherketoneketone (PEKK) and PEKK‐Hydroxyapatite Composites: Establishing the Reference Enthalpy of Fusion for Crystalline PEKK 7003

Macromolecular Materials and Engineering
The enthalpy of fusion (ΔHf) is a critical parameter for determining the degree of crystallinity in semi‐crystalline polymers such as polyetherketoneketone (PEKK).
Frances Hasson, Krzysztof Rodzeń, Joanna Ward, Alistair McIlhagger, Eiméar O'Donnell, Adrian Boyd   +5 more
doaj   +2 more sources

Annealing 3D printed PEKK: Investigating the impact of annealing on the mechanical, physical, and thermal properties in additively manufactured PEKK

Materials & Design
Polyetherketoneketone (PEKK) is a promising material for additive manufacturing due to its exceptional properties, making it a primary candidate for in-space manufacturing.
Aaron Maloney, Eyman Manaf, Noel Gately, Ian Major, Declan M Devine   +4 more
doaj   +2 more sources

Controlling Crystallization: A Key Factor during 3D Printing with the Advanced Semicrystalline Polymeric Materials PEEK, PEKK 6002, and PEKK 7002

Macromolecular Materials and Engineering, 2023
Controlling the crystallization of advanced, high‐performance polymeric materials during 3D printing is critical to ensure that the resulting structures have appropriate mechanical properties.
Krzysztof Rodzeń, Alistair McIlhagger, Beata Strachota, Adam Strachota, Brian J. Meenan, Adrian Boyd   +5 more
doaj   +2 more sources

Antibacterial Properties of PEKK for Orthopedic Applications [Erratum]

International Journal of Nanomedicine, 2022
Wang M, Bhardwaj G, Webster TJ. Int J Nanomedicine. 2017;12:6471–6476. An error during the preparation of Figure 6 for publishing led to the inadvertent creation of duplicate features in the PEEK image and alterations in the PEKK image on page 6475.
Wang M, Bhardwaj G, Webster TJ
doaj   +2 more sources

The Use of PEEK and PEKK in Prosthodontics

Current Research in Dental Sciences
It is stated that the search for new materials in today's dentistry continues in order to meet aesthetic and functional expectations. As a result of these searches, materials such as PEEK (polyetheretherketone) , PEKK(polyetherketoneketone) and BioHPP ...
Hatice Özdemir, Gizem Erdaş
doaj   +2 more sources

Influence of different polymeric materials of implant and attachment on stress distribution in implant-supported overdentures: a three-dimensional finite element study [PDF]

BMC Oral Health
Purpose Investigating high performance thermoplastic polymers as substitutes to titanium alloy, in fabrication of implants and attachments to support mandibular overdenture, aiming to overcome stress shielding effect of titanium alloy implants.
Sherif Elsayed, Yousra Ahmed, Mohamed I. El-Anwar, Enas Elddamony, Reem Ashraf   +4 more
doaj   +2 more sources

Crystallinity studies of PEKK and carbon fibre/PEKK composites: A review [PDF]

Composites Part B: Engineering, 2021
Abstract Poly(etherketoneketone) (PEKK) is a thermoplastic, part of the poly(aryletherketone) (PAEK) family of polymers, with excellent mechanical performance and chemical resistance properties that make it an interesting candidate as a matrix for high-performance composites.
Pérez-Martín, H., Mackenzie, P., Baidak, A., Ó Brádaigh, C.M., Ray, D.   +4 more
openaire   +5 more sources

Antibacterial properties of PEKK for orthopedic applications

International Journal of Nanomedicine, 2017
Mian Wang,1 Garima Bhardwaj,1 Thomas J Webster1,2 1Department of Chemical Engineering, Northeastern University, Boston, MA, USA; 2Wenzhou Institute of Biomaterials and Engineering, Wenzhou Medical University, Wenzhou, People’s Republic of China ...
Wang M, Bhardwaj G, Webster TJ
doaj   +4 more sources

Biomechanical Evaluation of Cantilevered 2-Unit Implant-Supported Prostheses: A 3D Finite Element Study [PDF]

International Dental Journal
Objective: To assess the biomechanical performance of cantilevered 2-unit implant-supported prostheses with zirconia and polyetherketoneketone (PEKK) under 3 loading conditions.
Hatem S. Sadek, Noha M. Anany, Al-Hassan Diab, Mohamed I. El-Anwar, Abdulaziz Alhotan, Mostafa Aldesoki, Christoph Bourauel, Tarek M. Elshazly   +7 more
doaj   +2 more sources

Biomechanical Evaluation of Framework Materials in All-on-Four Versus All-on-Six Prostheses: A Finite Element Study. [PDF]

Clin Exp Dent Res
ABSTRACT Purpose The objective of this study was to biomechanically compare the All‐on‐Four and All‐on‐Six implant configurations combined with various framework materials by assessing stress distribution in peri‐implant bone, implants, and prosthetic structures using finite element analysis (FEA).
Cabbarova L, Tunçdemir AR, Mohammadi R.
europepmc   +2 more sources