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Nature-Inspired Nacre-Like Composites Combining Human Tooth-Matching Elasticity and Hardness with Exceptional Damage Tolerance
Tan, Guoqi; Zhang, Jian; Zheng, Long; Jiao, Da; Liu, Zengqian; Zhang, Zhefeng; Ritchie, Robert O.
2019-11-13
Source PublicationADVANCED MATERIALS
ISSN0935-9648
AbstractMaking replacements for the human body similar to natural tissue offers significant advantages but remains a key challenge. This is pertinent for synthetic dental materials, which rarely reproduce the actual properties of human teeth and generally demonstrate relatively poor damage tolerance. Here new bioinspired ceramic-polymer composites with nacre-mimetic lamellar and brick-and-mortar architectures are reported, which resemble, respectively, human dentin and enamel in hardness, stiffness, and strength and exhibit exceptional fracture toughness. These composites are additionally distinguished by outstanding machinability, energy-dissipating capability under cyclic loading, and diminished abrasion to antagonist teeth. The underlying design principles and toughening mechanisms of these materials are elucidated in terms of their distinct architectures. It is demonstrated that these composites are promising candidates for dental applications, such as new-generation tooth replacements. Finally, it is believed that this notion of bioinspired design of new materials with unprecedented biologically comparable properties can be extended to a wide range of material systems for improved mechanical performance.
Keywordbioinspiration composites elasticity fracture toughness teeth
Indexed BySCI
Language英语
WOS IDWOS:000496433700001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80632
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Tan, Guoqi,Zhang, Jian,Zheng, Long,et al. Nature-Inspired Nacre-Like Composites Combining Human Tooth-Matching Elasticity and Hardness with Exceptional Damage Tolerance[J]. ADVANCED MATERIALS,2019.
APA Tan, Guoqi.,Zhang, Jian.,Zheng, Long.,Jiao, Da.,Liu, Zengqian.,...&Ritchie, Robert O..(2019).Nature-Inspired Nacre-Like Composites Combining Human Tooth-Matching Elasticity and Hardness with Exceptional Damage Tolerance.ADVANCED MATERIALS.
MLA Tan, Guoqi,et al."Nature-Inspired Nacre-Like Composites Combining Human Tooth-Matching Elasticity and Hardness with Exceptional Damage Tolerance".ADVANCED MATERIALS (2019).
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