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US DEVCOM team forms international partnership to study superhard materials

Developing world-class advanced technology for soldiers on the battlefield is a key part of the U.S. Army Combat Capabilities Development Command’s mission. Many of the technologies stem from partnerships between DEVCOM and its global network of academic, industry and governments, including a project with the DEVCOM Army Research Laboratory, located in Maryland; the DEVCOM-Atlantic International Technology Center Northern Europe, located in Germany; and the Fraunhofer Institute for Ceramics Technologies and Systems, also in Germany. Argie Sarantinos, DEVCOM Headquarters, reports.
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An example of a fully dense multi-modal diamond-reinforced silicon carbide composite microstructure that is approximately 50% diamond, synthesized by the Fraunhofer Institute for Ceramics Technologies and Systems. The darkest sections are diamond, the grey sections are silicon carbide, and the white sections are residual silicon. (Picture source: Fraunhofer Institute for Ceramics Technologies and Systems)

The team is exploring how superhard, diamond-reinforced silicon carbide composites can be applied to various Army technologies. The project, which began in 2020, is a three-year cooperative agreement between DEVCOM and the Fraunhofer Institute for Ceramic Technologies and Systems.

The initial objective of the project was to understand the effects of various processing parameters on manufacturing fully dense, superhard diamond-reinforced silicon carbide composites and evaluate their properties. However, the team is exploring how the material can be used in other ways, such as in thermal management, corrosion and wear-resistant applications.

DEVCOM ARL and DEVCOM-Atlantic ITC Northern Europe provided initial funding for the project and worked with the Fraunhofer Institute, which is an international expert in developing this material technology. The teams initially planned to visit each other’s facilities to strengthen collaboration, but the COVID-19 pandemic curtailed international travel, so meetings were held virtually. When travel reopened in 2021, the DEVCOM-Atlantic ITC Northern Europe team visited the Fraunhofer Institute in Germany to get an update on the project and tour the facility.

The project not only meets DEVCOM ARL’s programmatic requirements but it also enables DEVCOM ARL to collaborate with its broader network of partners to modify diamond-based materials to achieve significant performance improvements for thermal management and wear-resistant applications without significantly increasing cost, size or weight. Fully mature, diamond-reinforced ceramic composites may provide solutions to a myriad of challenges related to technologies that the Army is developing to support its six modernization priorities.

The ITCs, which are part of DEVCOM’s global enterprise, serve as the forward-deployed "eyes and ears" of the Army Science and Technology Enterprise. In addition to DEVCOM-Atlantic ITC Northern Europe, other DEVCOM ITCs include North America, Northeast Asia, South America, Southeast Asia, United Kingdom, Southern Europe, Mediterranean, and Southern Hemisphere. The key mission of DEVCOM’s ITCs is to establish alliances with industry, agencies, academic institutions and foreign governments that enable the Army to maximize research funds and develop revolutionary technology for Soldiers.

The ITCs use a central DEVCOM ARL Army Research Office database and an ARO grants process to manage approved international research and technology projects and to keep DEVCOM leaders informed on the projects.


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