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Meeting 2021 TMS Annual Meeting & Exhibition
Symposium Materials Engineering -- From Ideas to Practice: An EPD Symposium in Honor of Jiann-Yang Hwang
Presentation Title Influence of Surface Treatment on Physical and Chemical Behavior of Politetrafluoroethylene
Author(s) Karollyne Gomes de Castro Monsores, Géssica Nicolau, Anderson Oliveira, Suzane Oliveira, Ricardo Weber, Sergio Neves Monteiro
On-Site Speaker (Planned) Sergio Neves Monteiro
Abstract Scope In this work, polytetrafluoroethylene (PTFE) was treated superficially in an accelerated aging chamber for non-metals (UV-B) in the range of 290 nm ~ 315 nm. Automatic temperature control was adopted, with exposure time ranging from 0h to 100h, without simulation of rain and/or fog. The effects of the treatment on the thermomechanical properties, the color change, and the formation of micro-cracks due to the rupture of the primary chemical bonds were investigated. The characterizations showed that the treatment was able to change the surface characteristics, as noted through a subtle increase in the percentage of crystallinity and wettability, corroborating the hardness values obtained. Also, the maintenance of surface roughness and thermal stability was observed for all samples.
Proceedings Inclusion? Planned:

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Characterization of Mortars Incorporated with Natural Açai Fiber
COD Removal from Electroplating Degreasing Wastewater by UV/H2O2 Process
Comparison between Compression Strength of Two Castor Oil Polyurethane Resin Matrix Composites Reinforced with Coconut or Piassava Fiber
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Determination of the Elasticity Modulus of a PC/rGO Nanocomposite via Impulse Excitation Technique - Sonelastic
Development and Management of Industrial Park for Chinese Electroplating Industry
Effect of Boron Iron Concentrate on the Strength of Preheated Iron Ore Pellets
Effect of Temperature on the Leachability of Chromium in EAF Slag
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Electroplating Wastewater Treatment in China
Evaluation of Ballistic Behavior by Residual Velocity of Epoxy Composite Reinforced with Sisal Fabric after UV Radiation Exposure
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Improved Ballistic Armor with Composites Reinforced with Natural Fibers Functionalized with Graphene Oxide
Influence of Mercerization Process on the Surface of Coconut Fiber for Composite Reinforcement
Influence of Surface Treatment on Physical and Chemical Behavior of Politetrafluoroethylene
Influence of Weathering on the Mechanical Performance of an Aramid Fabric
Investigation of Nickel Laterite Smelting Slags
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Mercury Removal by Bio-chars with Plasma Surface Modification
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Novel Ballistic Composites: Performance Evaluation of Epoxy Composite Reinforced with Buriti Fabric as Component of a Multilayer Armor System
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Phase Diagram and Thermodynamic Properties of Cu-O Binary System
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Recent Progress in Microwave-assisted Pyrometallurgy at Central South University
Recycled Common Glass Bottle Used in Composite Repair for Industrial Piping
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Structural Characterization of Caranan Fiber (Mauritiella Aramata)
Tensile Properties of Epoxy Matrix Reinforced with Fique Fabric
Tensile Strength of Synthetic and Green Composites Used as Wrapping Cold Repair in Piping
The Effect of the Diameter on the Density of Ubim Fiber
The Formation Mechanism of the Third Phase in Nickel Electrolyte
The Influence of Ultraviolet (UV) Radiation on the Surface of Coconut Fiber
Thermal Behavior of Epoxy Matrix Composite Reinforced with Caranan Fibers
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Weibull Analysis of the Mechanical Properties of the Epoxy Composite Reinforced with Guaruman Fibers

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