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Title: Controlling Material Reactivity Using Architecture

Journal Article · · Advanced Materials
 [1];  [1];  [1];  [1];  [2];  [1];  [2];  [1]
  1. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
  2. Harvard Univ., Cambridge, MA (United States). School of Engineering and Applied Sciences, Wyss Inst. for Biologically Inspired Engineering

3D-printing methods are used to generate reactive material architectures. We observed several geometric parameters in order to influence the resultant flame propagation velocity, indicating that the architecture can be utilized to control reactivity. Two different architectures, channels and hurdles, are generated, and thin films of thermite are deposited onto the surface. Additionally, the architecture offers a route to control, at will, the energy release rate in reactive composite materials.

Research Organization:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
AC52-07NA27344; SC0001293
OSTI ID:
1376017
Report Number(s):
LLNL-JRNL--678526
Journal Information:
Advanced Materials, Journal Name: Advanced Materials Journal Issue: 10 Vol. 28; ISSN 0935-9648
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (16)

Creation of energetic biothermite inks using ferritin liquid protein journal April 2017
Reactive Structural Materials: Preparation and Characterization journal October 2017
Effects of Shear Rate during Energetic Material Processing on Reactivity journal February 2019
Active Mixing of Reactive Materials for 3D Printing journal May 2019
3D Printing of Micro‐Architected Al/CuO‐Based Nanothermite for Enhanced Combustion Performance journal October 2019
Designer Direct Ink Write 3D‐Printed Thermites with Tunable Energy Release Rates journal December 2019
Designer Direct Ink Write 3D‐Printed Thermites with Tunable Energy Release Rates journal June 2020
Additive Manufacturing and Performance of Architectured Cement-Based Materials journal August 2018
Direct Writing of a 90 wt% Particle Loading Nanothermite journal March 2019
3D-Printed, Superelastic Polypyrrole-Graphene Electrodes with Ultrahigh Areal Capacitance for Electrochemical Energy Storage journal June 2018
Novel, Printable Energetic Polymers journal March 2019
Additive manufacturing and combustion performance of CL-20 composites journal November 2019
Architecture-independent reactivity tuning of Ni/Al multilayers by solid solution alloying journal May 2019
Why does adding a poor thermal conductor increase propagation rate in solid propellants? journal September 2019
Spatially focused microwave ignition of metallized energetic materials journal February 2020
Toward digitally controlled catalyst architectures: Hierarchical nanoporous gold via 3D printing journal August 2018

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