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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Flexure resistant 3D printed zeolite-inspired structures

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Author(s):
Ambekar, Rushikesh S. [1] ; Oliveira, Eliezer F. [2] ; Kushwaha, Brijesh [1] ; Pal, Varinder [1] ; Ajayan, Pulickel M. [3] ; Roy, Ajit K. [4] ; Galvao, Douglas S. [2, 5] ; Tiwary, Chandra S. [3, 1]
Total Authors: 8
Affiliation:
[1] Indian Inst Technol Kharagpur, Met & Mat Engn, Kharagpur 721302, W Bengal - India
[2] State Univ Campinas UNICAMP, Appl Phys Dept, Campinas, SP - Brazil
[3] Rice Univ, Dept Mat Sci & NanoEngn, Houston, TX 77005 - USA
[4] Air Force Res Lab, Mat & Mfg Directorate, Wright Patterson AFB, OH 45433 - USA
[5] State Univ Campinas UNICAMP, Ctr Computat Engn & Sci CCES, Campinas, SP - Brazil
Total Affiliations: 5
Document type: Journal article
Source: ADDITIVE MANUFACTURING; v. 47, NOV 2021.
Web of Science Citations: 0
Abstract

Polymer-based materials exhibit a good combination of strength and ductility but limited flexural strength. Here we demonstrate a family of new zeolite templated interconnected carbon nanotubes like porous networks with unique topologies with enhanced load-bearing and energy-absorbing capabilities. The structures were initially obtained from fully atomistic molecular dynamics simulations and then 3D printed using polylactide serving as an upscaled molecular model. All the structures show multi-fold enhancement in compression and flexural strength as compared to their solid counterparts. The 3D printed structure has 575.41 MPa compressive Young's modulus and 318.87 MPa flexural modulus. The mechanical of the atomic models and 3D printed structures show some scale-independent (in a sense that atomic and macro models show similar behavior) features due to similar topological features and deformation conditions. (AU)

FAPESP's process: 16/18499-0 - Investigation on the structural, mechanical and functional properties of carbon-based nanostructures
Grantee:Eliezer Fernando de Oliveira
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 19/07157-9 - DESIGNING NEW 3D STRUCTURES FROM ZEOLITE TEMPLATES FOR 3D PRINTING APPLICATIONS
Grantee:Eliezer Fernando de Oliveira
Support Opportunities: Scholarships abroad - Research Internship - Post-doctor
FAPESP's process: 13/08293-7 - CCES - Center for Computational Engineering and Sciences
Grantee:Munir Salomao Skaf
Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC