Tailoring relaxation dynamics and mechanical memory of crumpled materials by friction and ductility

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1 Citation (Scopus)

Abstract

Crumpled sheets show slow mechanical relaxation and long lasting memory of previous mechanical states. By using uniaxial compression tests, the role of friction and ductility on the stress relaxation dynamics of crumpled systems is investigated. We find a material dependent relaxation constant that can be tuned by changing ductility and adhesive properties of the sheet. After a two-step compression protocol, nonmonotonic aging is reported for polymeric, elastomeric and metal sheets, with relaxation dynamics that are dependent on the material's properties. These findings can contribute to tailoring and programming of crumpled materials to get desirable mechanical properties.

LanguageEnglish
Pages1633-1639
JournalSoft Matter
Volume15
Issue number7
DOIs
Publication statusPublished - 15 Jan 2019

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ductility
Ductility
friction
Friction
Anelastic relaxation
Data storage equipment
Stress relaxation
Sheet metal
Adhesives
Materials properties
Compaction
Aging of materials
Mechanical properties
metal sheets
compression tests
stress relaxation
programming
adhesives
mechanical properties
elastomeric

Cite this

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abstract = "Crumpled sheets show slow mechanical relaxation and long lasting memory of previous mechanical states. By using uniaxial compression tests, the role of friction and ductility on the stress relaxation dynamics of crumpled systems is investigated. We find a material dependent relaxation constant that can be tuned by changing ductility and adhesive properties of the sheet. After a two-step compression protocol, nonmonotonic aging is reported for polymeric, elastomeric and metal sheets, with relaxation dynamics that are dependent on the material's properties. These findings can contribute to tailoring and programming of crumpled materials to get desirable mechanical properties.",
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Tailoring relaxation dynamics and mechanical memory of crumpled materials by friction and ductility. / Van Bruggen, Eric; Van Der Linden, Erik; Habibi, Mehdi.

In: Soft Matter, Vol. 15, No. 7, 15.01.2019, p. 1633-1639.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Habibi, Mehdi

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AB - Crumpled sheets show slow mechanical relaxation and long lasting memory of previous mechanical states. By using uniaxial compression tests, the role of friction and ductility on the stress relaxation dynamics of crumpled systems is investigated. We find a material dependent relaxation constant that can be tuned by changing ductility and adhesive properties of the sheet. After a two-step compression protocol, nonmonotonic aging is reported for polymeric, elastomeric and metal sheets, with relaxation dynamics that are dependent on the material's properties. These findings can contribute to tailoring and programming of crumpled materials to get desirable mechanical properties.

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