Markov-type Evolution of Materials into a Polar State

Hulliger, Jürg

doi:10.1002/1521-3765(20021018)8:20<4578::aid-chem4578>3.0.co;2-s

Cited by 33 publications

(26 citation statements)

References 19 publications

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“…A high‐frequency pyroelectric scan which represents surface behavior reveals several domains in the axial orientation (Figure , top left), corresponding to the rough texture seen in the SEM images. This could well be the result of a polar self‐assembly process during the extrusion …”

Section: Resultsmentioning

confidence: 99%

Investigation of Synthetic Spider Silk Crystallinity and Alignment via Electrothermal, Pyroelectric, Literature XRD, and Tensile Techniques

Munro

Putzeys

Copeland

et al. 2017

Macro Materials & Eng

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The processes used to create synthetic spider silk greatly affect the properties of the produced fibers. This paper investigates the effect of process variations during artificial spinning on the thermal and mechanical properties of the produced silk. Property values are also compared to the ones of the natural dragline silk of the N. clavipes spider, and to unprocessed (as-spun) synthetic silk. Structural characterization by scanning pyroelectric microscopy is employed to provide insight into the axial orientation of the crystalline regions of the fiber and is supported by XRD data. The results show that stretching and passage through liquid baths induce crystal formation and axial alignment in synthetic fibers, but with different structural organization than natural silks. Furthermore, an increase in thermal diffusivity and elastic modulus is observed with decreasing fiber diameter, trending towards properties of natural fiber. This effect seems to be related to silk fibers being subjected to a radial gradient during production.

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Section: Resultsmentioning

confidence: 99%

Investigation of Synthetic Spider Silk Crystallinity and Alignment via Electrothermal, Pyroelectric, Literature XRD, and Tensile Techniques

Munro

Putzeys

Copeland

et al. 2017

Macro Materials & Eng

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“…It is thus particularly important to identify some of the basic molecular features that a molecule should possess to be a good candidate for exhibiting such a phase [7]. One basic molecular requirement appears to be that of starting from particles that are non centro-symmetric both in their repulsive and attractive interactions [7,8].…”

Section: Introductionmentioning

confidence: 99%

Ferroelectric and Structured Phases from Polar Tapered Mesogens

2004

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“…To explain the mechanism of this law, the piezoelectric potential inside the stressed bone was suggested to be the triggering signal. If the collagen molecules or fibrils have a polarity, their alignment may be influenced by the surrounding electric field [10]. The elucidation of the detailed mechanism is remained for the future studies [11].…”

Section: Piezoelectricity Of Biopolymersmentioning

confidence: 99%

Research on bioelectromechanics for 70 years

Fukada

2016

J Biorheol

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Markov-type Evolution of Materials into a Polar State

Cited by 33 publications

References 19 publications

Investigation of Synthetic Spider Silk Crystallinity and Alignment via Electrothermal, Pyroelectric, Literature XRD, and Tensile Techniques

Investigation of Synthetic Spider Silk Crystallinity and Alignment via Electrothermal, Pyroelectric, Literature XRD, and Tensile Techniques

Ferroelectric and Structured Phases from Polar Tapered Mesogens

Research on bioelectromechanics for 70 years

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