2017-Sustainable Industrial Processing Summit
SIPS 2017 Volume 5. Marquis Intl. Symp. / New and Advanced Materials and Technologies

Editors:Kongoli F, Marquis F, Chikhradze N
Publisher:Flogen Star OUTREACH
Publication Year:2017
Pages:590 pages
ISSN:2291-1227 (Metals and Materials Processing in a Clean Environment Series)
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    Biological Stick-slip Mechanisms: What Impact Does This Have on Materials Mechanics and Biomimetic Design?

    Parvez Alam1; Lilja Alam2;
    1UNIVERSITY OF EDINBURGH, Edinburgh, United Kingdom (Great Britain); 2INTERNATIONAL BACCALAUREATE, Varissuo, Finland;
    Type of Paper: Keynote
    Id Paper: 227
    Topic: 43


    Biomimetic design has gained popularity and momentum in recent years as advances in characterisation have allowed scientists and engineers to better comprehend how biological materials function. One area that stands out in view of materials mechanics is the stick-slip mechanism, which can occur at molecular, mesoscopic and macroscopic length scales. As consequence of hierarchical stick-slip mechanisms, biological materials are able to absorb, dissipate and redistribute mechanical energy when loaded or impacted. As a result, biological materials are able to withstand fracture more effectively than engineering materials. This keynote lecture paper aims to bring to light the combination of stick-slip and structural hierarchy in biology, and the means by which they collectively heighten the energy absorptive capabilities of biological materials. The paper will then draw upon recent advancements in the characterisation of biological materials and shall elucidate a new macroscale stick-slip mechanism that we have recently discovered in Haliclona sp. that onsets double strain-hardening behaviour. Following a holistic opinion piece on stick-slip and materials mechanics, we will draw focus to the impact biological stick-slip mechanisms may have on biomimetic material design. The paper will conclude by summarising the hurdles we face as materials scientists, in the processing and manufacturing of materials with stick-slip design at every length scale.


    Biomaterials; Nanocomposites; Nanomaterials; New and advanced materials;


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    Alam P and Alam L. (2017). Biological Stick-slip Mechanisms: What Impact Does This Have on Materials Mechanics and Biomimetic Design?. In Kongoli F, Marquis F, Chikhradze N (Eds.), Sustainable Industrial Processing Summit SIPS 2017 Volume 5. Marquis Intl. Symp. / New and Advanced Materials and Technologies (pp. 424-430). Montreal, Canada: FLOGEN Star Outreach