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Linear correlation between microhardness and mechanical properties

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The tensile elastic modulus (E), yield stress (σY) and microhardness (MH) of neat and binary and ternary blends of glassy semicrystalline ethylene–vinyl alcohol copolymer (EVOH), a glassy amorphous polyamide and a semicrystalline nylon‐containing ionomer covering a broad range of properties were examined. The tests were carried out on dry and water‐equilibrated samples to produce stiffer and softer materials, respectively. From the results, more accurate linear correlations were found to describe adequately the microhardness, modulus and yield stress of these strongly self‐associated polymers through hydrogen bonding. Copyright © 2003 Society of Chemical Industry
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Keywords: elastic modulus; microhardness; polar polymers; yield stress

Document Type: Miscellaneous

Affiliations: 1: Department of Technology, Area of Materials, Universitat Jaume I, Campus Riu Sec, 12071 Castellon, Spain 2: Instituto de Agroquímica y Tecnología de Alimentos, CSIC, Apto Correos 73, 46100 Burjassot, Spain

Publication date: August 1, 2003

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