The effect of powder feedstock and heat treatment on the thermal and mechanical properties of binder jet printed ZrC

J. Matthew Kurley; M. Dylan Richardson; Peter Doyle; Hsin Wang; Alexander Rogers; Ben Garrison; Tyler J. Gerczak

doi:10.1016/j.ceramint.2023.12.197

The effect of powder feedstock and heat treatment on the thermal and mechanical properties of binder jet printed ZrC

J. Matthew Kurley, M. Dylan Richardson, Peter Doyle, Hsin Wang, Alexander Rogers, Ben Garrison, Tyler J. Gerczak

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

Zirconium carbide (ZrC) disks were fabricated using binder jet printing to study the effect of powder feedstock, print parameters, and heat treatment on flowability and final materials properties. A median volumetric particle size smaller than 10 μm was shown to cause the powder to stop flowing during printing. Disks were printed using ZrC with suitable flowability and then heat-treated at temperatures between 1800 °C and 2200 °C for 1 or 5 h. The density, part shrinkage, thermal diffusivity, and fracture strength all increased with increasing temperature and time. The heat-treated disks were then heated to 2200 °C for 5 h and the properties converged for disks of the same particle size, indicating the hottest temperature and longest time of exposure dictates the final properties. Lastly, it was shown that larger particles produce lower density materials with worse thermal diffusivity, most likely because of poor connectivity between particles after heat treatment.

Original language	English
Pages (from-to)	8812-8824
Number of pages	13
Journal	Ceramics International
Volume	50
Issue number	6
DOIs	https://doi.org/10.1016/j.ceramint.2023.12.197
State	Published - Mar 15 2024
Externally published	Yes

Funding

The authors would like to thank the following for their support in this work: Ashli Clark and James Klett for their help with heat-treatments, Stephanie Curlin and Amy Godfrey for LFA and DSC measurements, Matt Jones and Bekah Petrosky for ROR measurements, and Will Cureton and Grant Helmreich for technical input to the manuscript. This work was supported by NASA's Space Technology Mission Directorate through the Space Nuclear Propulsion project. This manuscript has been authored by UT-Battelle LLC, under contract DE-AC05-00OR22725 with the US Department of Energy (DOE). The US government retains and the publisher, by accepting the article for publication, acknowledges that the US government retains a nonexclusive, paid-up, irrevocable, worldwide license to publish or reproduce the published form of this manuscript, or allow others to do so, for US government purposes. DOE will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan ( http://energy.gov/downloads/doe-public-access-plan ). This manuscript has been authored by UT-Battelle, LLC under Contract No. DE-AC05-00OR22725 with the U.S. Department of Energy. The United States Government retains and the publisher, by accepting the article for publication, acknowledges that the United States Government retains a non-exclusive, paid-up, irrevocable, world-wide license to publish or reproduce the published form of this manuscript, or allow others to do so, for United States Government purposes. The Department of Energy will provide public access to these results of federally sponsored research in accordance with the DOE Public Access Plan (http://energy.gov/downloads/doe-public-access-plan).

Funders	Funder number
DOE Public Access Plan
United States Government
U.S. Department of Energy
National Aeronautics and Space Administration
UT-Battelle	DE-AC05-00OR22725

Keywords

Additive manufacturing
Carbides
Nuclear applications
Thermal properties

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.ceramint.2023.12.197

Cite this

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title = "The effect of powder feedstock and heat treatment on the thermal and mechanical properties of binder jet printed ZrC",

abstract = "Zirconium carbide (ZrC) disks were fabricated using binder jet printing to study the effect of powder feedstock, print parameters, and heat treatment on flowability and final materials properties. A median volumetric particle size smaller than 10 μm was shown to cause the powder to stop flowing during printing. Disks were printed using ZrC with suitable flowability and then heat-treated at temperatures between 1800 °C and 2200 °C for 1 or 5 h. The density, part shrinkage, thermal diffusivity, and fracture strength all increased with increasing temperature and time. The heat-treated disks were then heated to 2200 °C for 5 h and the properties converged for disks of the same particle size, indicating the hottest temperature and longest time of exposure dictates the final properties. Lastly, it was shown that larger particles produce lower density materials with worse thermal diffusivity, most likely because of poor connectivity between particles after heat treatment.",

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AU - Rogers, Alexander

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AU - Gerczak, Tyler J.

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AB - Zirconium carbide (ZrC) disks were fabricated using binder jet printing to study the effect of powder feedstock, print parameters, and heat treatment on flowability and final materials properties. A median volumetric particle size smaller than 10 μm was shown to cause the powder to stop flowing during printing. Disks were printed using ZrC with suitable flowability and then heat-treated at temperatures between 1800 °C and 2200 °C for 1 or 5 h. The density, part shrinkage, thermal diffusivity, and fracture strength all increased with increasing temperature and time. The heat-treated disks were then heated to 2200 °C for 5 h and the properties converged for disks of the same particle size, indicating the hottest temperature and longest time of exposure dictates the final properties. Lastly, it was shown that larger particles produce lower density materials with worse thermal diffusivity, most likely because of poor connectivity between particles after heat treatment.

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The effect of powder feedstock and heat treatment on the thermal and mechanical properties of binder jet printed ZrC

Abstract

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Keywords

UN SDGs

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