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A novel biomimetic approach to the design of high-performance ceramic–metal composites
Open accessAbstract
The prospect of extending natural biological design to develop new synthetic ceramic–metal composite materials is examined. Using ice-templating of ceramic suspensions and subsequent metal infiltration, we demonstrate that the concept of ordered hierarchical design can be applied to create fine-scale laminated ceramic–metal (bulk) composites that are inexpensive, lightweight and display exceptional damage-tolerance properties. Specifically, Al 2 O 3 /Al–Si laminates with ceramic contents up to approximately 40 vol% and with lamellae thicknesses down to 10 µm were processed and characterized. These structures achieve an excellent fracture toughness of 40 MPa√m at a tensile strength of approximately 300 MPa. Salient toughening mechanisms are described together with further toughening strategies.
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High volume fraction reinforcement composites using layer-by-layer and freeze-casting techniques have strengths of hundreds of MPa, an order of magnitude lower than limpet tooth strength.
“Additional comparisons could be made by consideration of high volume fraction reinforcement composites using layer-by-layer [31,32] and freeze-casting techniques [33,34]. In these cases, the composite material strengths are hundreds of MPa, highlighting the order of magnitude enhancement in tensile strength and general extreme mechanical performance of the limpet tooth samples.”
From Extreme strength observed in limpet teeth (2015) · cites this paper as [34]
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Extreme strength observed in limpet teeth
Barber, A. H., Lu, D., & Pugno, N. M. (2015) · Journal of the Royal Society Interface · doi:10.1098/rsif.2014.1326 · Cited by 212
Metadata
- Authors
- Launey, M. E., Munch, E., Alsem, D. H., Saiz, E., Tomsia, A. P., & Ritchie, R. O.
- Affiliations
- University of California, Berkeley (US)
- Materials Sciences Division, University of California, Berkeley, CA 94720, USA
- Corresponding author
- Ritchie, Robert O.
- Venue
- Journal of The Royal Society Interface
- Publisher
- The Royal Society
- Published
- 2009-10-14
- Volume
- 7
- Issue
- 46
- Pages
- 741-753
- ISSN
- 1742-5662 (ISSN-L)
- 1742-5689
- PMC
- PMC2874234
- OpenAlex
- W1487783920
- Cited by
- 294
- References
- 1
- Citations by year
- 2026: 6 · 2025: 22 · 2024: 12 · 2023: 12 · 2022: 21 · 2021: 22 · 2020: 34 · 2019: 24 · 2018: 25 · 2017: 19 · 2016: 24 · 2015: 17 · 2014: 18 · 2013: 17 · 2012: 10
- FWCI
- 14.03
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Journal of The Royal Society Interface (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- OSTI OAI (U.S. Department of Energy Office of Scientific and Technical Information) (submittedVersion)
- eScholarship (California Digital Library) (submittedVersion)
- Lawrence Berkeley National Laboratory
- Funders
- U.S. Department of Energy (-AC02-05CH11231, 05CH11231, DE-AC02-)
- California Institute of Technology
- Office of Science (DEAC02–05CH11231, AC02-05CH11231, DE-AC02)
- Engineering and Physical Sciences Research Council (EP/F033605/1)
- Basic Energy Sciences (DE-AC02, DE-AC02-05CH11231., AC02–05CH11231)
- Lawrence Berkeley National Laboratory (AC02‐05CH11231, 05CH11231)
- Division of Materials Sciences and Engineering (DE-AC02, AC02-05CH11231, DE‐AC02‐05‐CH11231)
- Topics
- Physical Sciences › Engineering › Mechanical Engineering › Aluminum Alloys Composites Properties
- Physical Sciences › Materials Science › Ceramics and Composites › Advanced ceramic materials synthesis
- Physical Sciences › Engineering › Mechanical Engineering › Cellular and Composite Structures
- Keywords
- ceramic-metal composites, biomimetic design, freeze casting, metal infiltration, hierarchical design, composite laminates, fracture toughness, damage tolerance, toughening mechanisms, lightweight materials
- MeSH terms
- Aluminum Oxide, Ceramics, Freezing, Hardness, Materials Testing, Metals, Microscopy, Electron, Scanning, Pressure, Silicon, Stress, Mechanical, Surface Properties, Tensile Strength, Models, Statistical, Biomimetics, Microscopy, Electron, Transmission
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