Mechanical properties of silk:: Interplay of deformation on macroscopic and molecular length scales

被引：87

作者：

Krasnov, Igor ^{[1
]}

Diddens, Imke ^{[1
]}

Hauptmann, Nadine ^{[1
]}

Helms, Gesa ^{[1
]}

Ogurreck, Malte ^{[1
]}

Seydel, Tilo ^{[2
]}

Funari, Sergio S. ^{[3
]}

Mueller, Martin ^{[1
]}

机构：

[1] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany

[2] Inst Max Von Laue Paul Langevin, F-38042 Grenoble 9, France

[3] DESY, HASYLAB, D-22603 Hamburg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.100.048104

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using an in situ combination of tensile tests and x-ray diffraction, we have determined the mechanical properties of both the crystalline and the disordered phase of the biological nanocomposite silk by adapting a model from linear viscoelastic theory to the semicrystalline morphology of silk. We observe a strong interplay between morphology and mechanical properties. Silk's high extensibility results principally from the disordered phase; however, the crystals are also elastically deformed.

引用

页数：4

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