Characterization and modeling of strain rate hardening in natural‐fiber‐reinforced viscoplastic polymer. Issue 11 (6th February 2014)

• Record Type: Journal Article
• Authors: Fotouh, Ahmed; Wolodko, John D.; Lipsett, Michael G.
• Is Part Of: Polymer composites. Volume 35:Issue 11(2014:Nov.)
• Page Start: 2290
• Page End: 2296
• Publication Date: 2014-02-06
• Subjects: Polymeric composites -- Periodicals; 620.192
• DOI: 10.1002/pc.22894
• Languages: English
• ISSNs: 0272-8397

Abstract

<abstract abstract-type="main"> <title> <x xml:space="preserve">Abstract</x> </title> <p>The effect of strain rate <inline-formula><alternatives><inline-graphic mimetype="image" xlink:href="ark:/27927/pgh1fh5fphx" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /><mml:math display="inline" altimg="urn:x-wiley::media:pc22894:pc22894-math-0001" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:mo stretchy="false">(</mml:mo><mml:msup><mml:mo>ɛ</mml:mo><mml:mo>·</mml:mo></mml:msup><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math></alternatives></inline-formula> on the mechanical properties of short‐hemp‐fiber‐reinforced High Density Polyethylene is characterized and modeled at different values of <inline-formula><alternatives><inline-graphic mimetype="image" xlink:href="ark:/27927/pgh1fh5fpd8" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /><mml:math display="inline" altimg="urn:x-wiley::media:pc22894:pc22894-math-0002" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msup><mml:mo>ɛ</mml:mo><mml:mo>·</mml:mo></mml:msup></mml:mrow></mml:math></alternatives></inline-formula> and hemp fiber volume fraction (v<sub>f</sub>) under dry and wet conditions. Based on the experiments, a generalized comprehensive power law model is developed to predict the behavior of the mechanical properties as functions of v<sub>f</sub>, <inline-formula><alternatives><inline-graphic mimetype="image" xlink:href="ark:/27927/pgh1fh5fpvf" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /><mml:math display="inline" altimg="urn:x-wiley::media:pc22894:pc22894-math-0003" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msup><mml:mo>ɛ</mml:mo><mml:mo>·</mml:mo></mml:msup></mml:mrow></mml:math></alternatives></inline-formula>, and moisture absorption. It is demonstrated that the developed model successes to accurately simulate the effects of v<sub>f</sub>, <inline-formula><alternatives><inline-graphic mimetype="image" xlink:href="ark:/27927/pgh1fh5fptw" xlink:type="simple" xmlns:xlink="http://www.w3.org/1999/xlink" /><mml:math display="inline" altimg="urn:x-wiley::media:pc22894:pc22894-math-0004" overflow="scroll" xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mrow><mml:msup><mml:mo>ɛ</mml:mo><mml:mo>·</mml:mo></mml:msup></mml:mrow></mml:math></alternatives></inline-formula>, and moisture absorption on the mechanical properties of the natural‐fiber‐reinforced composites as well as the unreinforced polymer. POLYM. COMPOS., 35:2290–2296, 2014. © 2014 Society of Plastics Engineers</p> </abstract>