Effect of Accelerated Weathering on the Physical and Mechanical Properties of Natural - Fiber Thermoplastic CompositesUniversity of Wisconsin--Madison, 2002 - 282 pages |
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Page 35
... chromaticity coordinates ( chroma and hue , respectively ) . Three randomly selected locations were measured and averaged . Using the chromaticity coordinates , the total color difference ( AE ) was calculated according to equation 7 ...
... chromaticity coordinates ( chroma and hue , respectively ) . Three randomly selected locations were measured and averaged . Using the chromaticity coordinates , the total color difference ( AE ) was calculated according to equation 7 ...
Page 70
... chromaticity due to accelerated weathering was less dependant upon orientation in the weathering chamber than the fiber filled composites . This suggests the degradation mechanisms of the filled composites were more dependant upon the ...
... chromaticity due to accelerated weathering was less dependant upon orientation in the weathering chamber than the fiber filled composites . This suggests the degradation mechanisms of the filled composites were more dependant upon the ...
Page 131
... chromaticity coordinates b = chromaticity coordinates X , Y , Z = predetermined tristimulus values based upon CIE Xo , Yo , Zo = tristimulus values of the illuminant used The above equations apply only when X / X , Y / Y , and Z / Z ...
... chromaticity coordinates b = chromaticity coordinates X , Y , Z = predetermined tristimulus values based upon CIE Xo , Yo , Zo = tristimulus values of the illuminant used The above equations apply only when X / X , Y / Y , and Z / Z ...
Common terms and phrases
Accelerated Weathering Additives antioxidant ASTM Change in Flexural chromaticity chromophores Coefficient of Variation color change Color Difference AE compatibilizer Composites with 0.25 compression side crystallinity degraded layer Depth of Degradation due to accelerated Effect of Accelerated Effect of Fungicide Effect of UV error bars equal exposed surface Exposure Figure Flexural Modulus flexural properties flexural strength Fungicide Gijsman HDPE 70 HDPE composites HDPE specimens hours of exposure hydroperoxides impact strength injection molded jute Kenaf lignin lignocellulosic materials matrix maximum load mechanical properties modulus for Formulation natural fibers natural weathering orientation outdoor oxidation oxygen Phase photodegradation photooxidation polymer Predicted Flexural Rabek radicals reactions reduced result roof panels show the effects sisal specimens exposed Stabilizer and Accelerated standard deviation strain strength for Formulation stress Table temperature tension side Thermoplastic Composites Total Color Difference unexposed modulus unexposed strength UV stabilizer values with error Visible Depth wavelengths Weathering on Flexural Wood Flour Composites Wood Flour Content