Journal
JOM
Volume 73, Issue 6, Pages 1714-1722Publisher
SPRINGER
DOI: 10.1007/s11837-021-04660-8
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Funding
- Research Grant Council of Hong Kong [PolyU152064/15E]
- General Research Fund of Hong Kong Polytechnic University
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By studying the unique layered structure and thermal impulse resistance of snail shells in deep-sea hydrothermal environments, we have uncovered the temperature response and structure-property relationship of bilayer materials, providing guidelines for the development of thermal barriers in engineering.
Inspired by the unique layered structure and the superior resistance to thermal impulse exhibited by the shells of snails inhabiting the deep-sea hydrothermal environment, here we attempt to reveal the underlying structure-property relationship by investigating the temperature response of a bilayer subjected to a thermal impulse on one side. A semi-analytical solution to the transient temperature field is obtained, allowing us to examine the effects of the layout sequence and volume fractions of the constitutive layers on the thermal impulse resistance of the shell. For two layers made of given materials, the proper layout sequence and optimal thickness ratio are proposed, giving rise to a highest resistance to thermal impulse. The results of our work not only account for the physiological functionality of the unique laminated design of the snail shells from deep-sea hydrothermal environments but also provide operational guidelines for the development of thermal barriers in engineering.
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