Erosion characteristics of Teflon under different operating conditions
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Uttam Kumar Debnath
,
Dewan Muhammad Nuruzzaman
Abstract
The present study investigated the solid particle erosion characteristics of Teflon under different impingement angles (15–90°), impact velocities (30–50 m/s), erodent sizes (300–600 μm) and stand-off distances (15–25 mm) at ambient temperature. The Teflon showed ductile erosion behavior exhibited a peak erosion rate at a 30° impact angle. The design of experiments approach utilizing Taguchi’s orthogonal arrays was applied to test the specimens on a compressed air jet type erosion test rig. Erosion efficiency (η) values were 0.29–16.7%, which indicates micro-plugging, plastic deformation and micro-cutting action as dominating erosion mechanisms. The experimental results are closer to the theoretical model. An optimal parameter combination was determined, which leads to minimization of erosion rate. Analysis of variance (ANOVA) was performed on the measured data and signal-to-noise (S/N) ratios. A mathematical correlation, consistent with the experimental observations, is proposed as a predictive equation for estimation of erosion rate of tested material. The morphology of erodent surfaces was examined by using scanning electron microscopy (SEM). Possible erosion mechanisms are discussed.
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©2015 by De Gruyter
Artikel in diesem Heft
- Frontmatter
- Original articles
- Visualization and simulation of filling process of simultaneous co-injection molding based on level set method
- Effect of compatibilizer on the properties of PBS/lignin composites prepared via a vane extruder
- Fabrication and characterization of thermally conductive composites based on poly(butylene terephthalate)/glass fiber-silicon carbide
- Preparation and characterization of poly(MMA-EGDMA-AMPS) microspheres by soap-free emulsion polymerization
- Modification of biaxially oriented polypropylene films using dicyclopentadiene based hydrogenated hydrocarbon resin
- Investigation of synthesis and processing of cellulose, cellulose acetate and poly(ethylene oxide) nanofibers incorporating anti-cancer/tumor drug cis-diammineplatinum (II) dichloride using electrospinning techniques
- Grafting poly(2-acryloyloxyethyl trimethyl ammonium chloride) branches onto the backbones of corn starch for toughening starch film
- Erosion characteristics of Teflon under different operating conditions
- Development of sustainable resource based poly(urethane-etheramide)/Fe2O3 nanocomposite as anticorrosive coating materials
Artikel in diesem Heft
- Frontmatter
- Original articles
- Visualization and simulation of filling process of simultaneous co-injection molding based on level set method
- Effect of compatibilizer on the properties of PBS/lignin composites prepared via a vane extruder
- Fabrication and characterization of thermally conductive composites based on poly(butylene terephthalate)/glass fiber-silicon carbide
- Preparation and characterization of poly(MMA-EGDMA-AMPS) microspheres by soap-free emulsion polymerization
- Modification of biaxially oriented polypropylene films using dicyclopentadiene based hydrogenated hydrocarbon resin
- Investigation of synthesis and processing of cellulose, cellulose acetate and poly(ethylene oxide) nanofibers incorporating anti-cancer/tumor drug cis-diammineplatinum (II) dichloride using electrospinning techniques
- Grafting poly(2-acryloyloxyethyl trimethyl ammonium chloride) branches onto the backbones of corn starch for toughening starch film
- Erosion characteristics of Teflon under different operating conditions
- Development of sustainable resource based poly(urethane-etheramide)/Fe2O3 nanocomposite as anticorrosive coating materials
