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Uncovering a high-performance bio-mimetic cellular structure from trabecular bone.


ABSTRACT: The complex cellular structure of trabecular bone possesses lightweight and superior energy absorption capabilities. By mimicking this novel high-performance structure, engineered cellular structures can be advanced into a new generation of protective systems. The goal of this research is to develop an analytical framework for predicting the critical buckling load, Young's modulus and energy absorption of a 3D printed bone-like cellular structure. This is achieved by conducting extensive analytical simulations of the bone-inspired unit cell in parallel to traverse every possible combination of its key design parameters. The analytical framework is validated using experimental data and used to evolve the most optimal cellular structure, with the maximum energy absorption as the key performance criterion. The design charts developed in this work can be used to guide the development of a futuristic engineered cellular structure with superior performance and protective capabilities against extreme loads.

SUBMITTER: Ghazlan A 

PROVIDER: S-EPMC7455569 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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Uncovering a high-performance bio-mimetic cellular structure from trabecular bone.

Ghazlan Abdallah A   Ngo Tuan T   Nguyen Tuan T   Linforth Steven S   Van Le Tu T  

Scientific reports 20200828 1


The complex cellular structure of trabecular bone possesses lightweight and superior energy absorption capabilities. By mimicking this novel high-performance structure, engineered cellular structures can be advanced into a new generation of protective systems. The goal of this research is to develop an analytical framework for predicting the critical buckling load, Young's modulus and energy absorption of a 3D printed bone-like cellular structure. This is achieved by conducting extensive analyti  ...[more]

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