skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: 3D printed cellular solid outperforms traditional stochastic foam in long-term mechanical response

Journal Article · · Scientific Reports
DOI:https://doi.org/10.1038/srep24871· OSTI ID:1260470

3D printing of polymeric foams by direct-ink-write is a recent technological breakthrough that enables the creation of versatile compressible solids with programmable microstructure, customizable shapes, and tunable mechanical response including negative elastic modulus. However, in many applications the success of these 3D printed materials as a viable replacement for traditional stochastic foams critically depends on their mechanical performance and micro-architectural stability while deployed under long-term mechanical strain. To predict the long-term performance of the two types of foams we employed multi-year-long accelerated aging studies under compressive strain followed by a time-temperature-superposition analysis using a minimum-arc-length-based algorithm. The resulting master curves predict superior long-term performance of the 3D printed foam in terms of two different metrics, i.e., compression set and load retention. To gain deeper understanding, we imaged the microstructure of both foams using X-ray computed tomography, and performed finite-element analysis of the mechanical response within these microstructures. As a result, this indicates a wider stress variation in the stochastic foam with points of more extreme local stress as compared to the 3D printed material, which might explain the latter’s improved long-term stability and mechanical performance.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
1260470
Report Number(s):
LLNL-JRNL-677596
Journal Information:
Scientific Reports, Vol. 6; ISSN 2045-2322
Publisher:
Nature Publishing GroupCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 63 works
Citation information provided by
Web of Science

References (24)

Measure of morphological and performance properties in polymeric silicone foams by X-ray tomography journal October 2012
X-ray CT microtomography and mechanical response of foamed polysiloxane elastomers journal February 2012
Structural and material approaches to bone tissue engineering in powder-based three-dimensional printing journal March 2011
Characterization of radiation-induced aging in silica-reinforced polysiloxane composites journal November 2000
The sensitivity of the time-temperature shift process to thermal variations—A note journal April 2008
Extreme damping in composite materials with negative-stiffness inclusions journal March 2001
A geometry-based approach to determining time-temperature superposition shifts in aging experiments journal December 2015
Ultralight, ultrastiff mechanical metamaterials journal June 2014
Molecular Origins of Macroscopic Mechanical Properties of Elastomeric Organosiloxane Foams journal July 2015
Additive Manufacturing Technologies book January 2010
Application of geometric algorithm of time-temperature superposition to linear viscoelasticity of rubber compounds journal June 2011
Probing Degradation in Complex Engineering Silicones by 1H Multiple Quantum NMR book January 2009
Cellular Solids book January 2014
The topological design of multifunctional cellular metals journal January 2001
Negative Poisson's ratios as a common feature of cubic metals journal March 1998
Applicability of the time–temperature superposition principle in modeling dynamic response of a polyurea journal December 2007
Foam Structures with a Negative Poisson's Ratio journal February 1987
Residual dipolar coupling for the assessment of cross-link density changes in γ-irradiated silica-PDMS composite materials journal June 2002
A Bayesian analysis of the compression set and stress–strain behavior in a thermally aged silicone foam journal August 2006
Acquisition, optimization and interpretation of X-ray computed tomographic imagery: applications to the geosciences journal May 2001
Direct Ink Writing of 3D Functional Materials journal November 2006
Continuous and intermittent stress relaxation studies on foamed polysiloxane rubber journal January 2005
Three-Dimensional Printing of Elastomeric, Cellular Architectures with Negative Stiffness journal May 2014
Three-dimensional imaging of large compressive deformations in elastomeric foams journal January 2001

Cited By (11)

Ultra-Light and Scalable Composite Lattice Materials journal May 2018
Active Mixing of Reactive Materials for 3D Printing journal May 2019
Manufacturing Standardization of Jaipur Foot by Additive Manufacturing book October 2019
Revisiting effects of microarchitecture on mechanics of elastomeric cellular materials journal March 2019
Minimal surface designs for porous materials: from microstructures to mechanical properties journal April 2018
3D Printed Silicones with Shape Memory journal July 2017
Fracture process of a fiber bundle with strong disorder journal July 2016
Rayleigh-Taylor instability experiments on the LULI2000 laser in scaled conditions for young supernova remnants journal August 2019
Electrokinetic Properties of 3D-Printed Conductive Lattice Structures journal February 2019
The Static and Fatigue Behavior of AlSiMg Alloy Plain, Notched, and Diamond Lattice Specimens Fabricated by Laser Powder Bed Fusion journal April 2018
Prospective Design, Rapid Prototyping, and Testing of Smart Dressings, Drug Delivery Patches, and Replacement Body Parts Using Microscopy Aided Design and ManufacturE (MADAME) journal December 2018

Similar Records

Age-aware constitutive materials model for a 3D printed polymeric foam
Journal Article · Mon Nov 04 00:00:00 EST 2019 · Scientific Reports · OSTI ID:1260470

Thermal aging of traditional and additively manufactured foams: analysis by time-temperature-superposition, constitutive, and finite-element models
Technical Report · Thu Dec 08 00:00:00 EST 2016 · OSTI ID:1260470

3D Printed Multifunctional, Hyperelastic Silicone Rubber Foam
Journal Article · Thu Apr 04 00:00:00 EDT 2019 · Advanced Functional Materials · OSTI ID:1260470

Related Subjects