Self Healing Materials: An Alternative Approach to 20 Centuries of Materials Science

Front Cover
Sybrand van der Zwaag
Springer Science & Business Media, Sep 26, 2007 - Technology & Engineering - 388 pages
1 Review
“As a general principle natural selection is continually trying to economise every part of the organisation. ” That was Charles Darwin, writing over 100 years ago about e- ciency innature. Naturalmaterialsareremarkably ef?cient. Byef?cient wemeanthat they ful?l the complex requirements posed by the way plants and animals function, and that they do so using as little material as possible. Many of these requirements are mechanical in nature: the need to support static and dynamic loads created by the mass of the organism or by wind loading, the need to store and release elastic energy, the need to ?ex through large angles, the need to resist buckling and fracture, and to survive damage. Few optimisation algorithms have been more successful than that of “survival of the ?ttest”. The structural materials of nature exemplify this op- misation; even today, few man-made materials do better than those of nature in the function that they ?ll. And of all the remarkable properties of natural materials, one is truly exceptional – that of the ability for self-repair. One recurring goal of material development has been to emulate the materials of nature. Among these, the most illusive is that of self-repair. In approaching this it is well to be aware of the nature of the differences that separate the structural materials of man and those of nature.
 

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Contents

Damage Prevention versus Damage Management
1
Self Healing Polymers and Composites
19
ReMendable Polymers
45
Thermally Induced Self Healing of Thermosetting Resins and Matrices in Smart Composites
69
Ionomers as Self Healing Polymers
94
an Overview
115
Self Healing in Concrete Materials
161
A Biological Approach
194
Self Healing in Aluminium Alloys
219
Crack and Void Healing in Metals
255
Self Healing or is Prevention better than Cure?
279
Self Healing in Coatings at High Temperatures
308
Deformation Remodelling Healing
323
Modeling of Self Healing of Skin Tissue
336
Numerical Modelling of Self Healing Mechanisms
365
About the Authors
381

Exploring Mechanism of Healing in Asphalt Mixtures and Quantifying its Impact
205

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