Polytetrafluoroethylene lubricates ball bearings in vacuum environment [PDF]
, 1966 Polytetrafluoroethylene /PTFE/ balls are interspersed among steel ball bearings to provide a dry lubricant in a high vacuum environment.
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Reversible Self-Actuated Thermo-Responsive Pore Membrane. [PDF]
, 2016 Smart membranes, which can selectively control the transfer of light, air, humidity and temperature, are important to achieve indoor climate regulation. Even though reversible self-actuation of smart membranes is desirable in large-scale, reversible self-
Gutierrez, Maria Paz +2 more
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Impact of the European proposal to restrict PFAS on modern medical technology and treatment options
Current Directions in Biomedical EngineeringFunctionality of state-of-the-art medical devices often depends on high-end materials. Today, a large spectrum of medical devices like heart valves, vascular grafts, sutures or endoscopic devices consist of or incorporate fluoropolymers like ...
Derad Lukas +4 more
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Drop-hammer impact sensitivity and damage effect of two PTFE-matrix reactive materials
AIP Advances, 2019 To study the impact sensitivity and damage effect of PTFE-matrix energetic materials, PTFE-matrix specimens and liners were prepared by molding-vacuum sintering to carry out drop-hammer and impact experiments.
Jun Zhang +9 more
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Filled polymers for bearings and seals used in liquid hydrogen [PDF]
, 1970 Filled polytrifluorochloroethylene /PTFCE/ shows better thermal stability, less creep, and higher compressive moduli than filled polytetrafluoroethylene /PTFE/.
Johnson, R. L., Wisander, D. W.
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Strongly nonlinear waves in a chain of Teflon beads [PDF]
, 2005 One dimensional "sonic vacuum" type phononic crystals were assembled from a chain of Teflon spheres with different diameters in a Teflon holder. It was demonstrated for the first time that this polymer-based "sonic vacuum", with exceptionally low elastic
Daraio, C. +3 more
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Formation of polytetrafluorethylene-based structures with implanted nanotubes and its optical spectrum [PDF]
, 2016 In this paper a method of nanotubes implantation with use of Q-switch laser plasma acceleration of particles (see the simplified scheme on figure below) and the results of such implantation of carbon nanotubes on the optical spectrum of PTFE films ...
Ковалюк, Богдан Павлович +2 more
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Ir-spectal analysis of organicplastics based on polyeteraphthorethylene [PDF]
, 2019 На сьогодні композиційні матеріали на полімерній основі, армовані органічними волокнами, за обсягами виробництва перевершують сталь, алюміній, чавун і пластмаси завдяки своїм унікальним властивостям: високій хімічній стійкості, низькій густині (вони ...
Burya, Aleksandr +5 more
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A conformal oxidation-resistant, plasma-polymerized coating [PDF]
A comparative study was made of the surface recession (etching) of thin films of plasma polymerized tetrafluoro ethylene (PPTFE), polytetrafluoro ethylene (PTFE), and ion-beam sputter deposited polytetrafluoro ethylene (SPTFE) exposed to ground-state ...
Golub, Morton A. +2 more
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Solid spherical glass particle impingement studies of plastic materials [PDF]
Erosion experiments on polymethyl methacrylate (PMMA), polycarbonate, and polytetrafluoroethylene (PTFE) were conducted with spherical glass beads impacting at normal incidence.
Buckley, D. H., Rao, P. V., Young, S. G.
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