ChE 350 F11 Lecture 8_perspectives paper

ChE 350 F11 Lecture 8_perspectives paper - This paper...

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This paper reports the tensile behavior of a novel textile structural composite, named as co-woven-knitted fabric (CWKF) composite, under quasi-static and high strain rate tension.
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The CWKF fabric has the woven structure stability and the knitted structure flexibility.
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The tensile behaviors of the CWKF composite under the quasi-static and high strain rate tension were compared and analyzed in the frequency domain using the fast Fourier transform (FFT) method.
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The results show that the tension behavior, amplitude spectrum and phase spectrum of the CWKF composite are strain rate sensitive.
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The CWKF composite can absorb higher energy in a specific frequency range.
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Variation of stress with time
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Fatigue limit
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Viscoelastic behavior Elastic behavior Viscous behavior
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From Callister, page 574-575: A familiar example of…viscoelastic extremes is found in a silicone polymer that is sold as a novelty and known by some as “Silly Putty.” When rolled into a ball and dropped…it bounces elastically —the rate of deformation during the bounce is very rapid.
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ChE 350 F11 Lecture 8_perspectives paper - This paper...

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