Materials Research to Meet 21st Century Defense Needs Interim Report (2001) / Chapter Skim
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Executive Summary
Executive Summary
Pages 1-8
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military: long-distance power projection capability of fighting far away coping with the eroding overseas base structure ensuring homeland defense adjusting to major changes in warfare, including joint-service operations and coalition peacekeeping operations and humanitarian missions
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The following priorities were identified to the committee: the United States must continue to improve its capability to project power over long distances; advanced technologies must be harnessed so the United States can maintain its technological lead as long as possible, recognizing that other nations will continue to work hard to counter our capabilities; the ocean buffer must be controlled; and the homeland must be defended. TRANSLATION TO MATERIALS NEEDS Based on these presentations, the committee envisions new roles for advanced materials, including big-inspired materials, self-assembling polymers, novel magnetic matenals, and self-healing materials.
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Promising composite material technologies to meet these needs include carbon nanotubes, electron-beam curing, recyclable composite materials, and health-monitoring~sensors. The next 20 years will present the materials community with daunting challenges and opportunities.
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. sensor materials high-energy-density materials materials for improved propulsion technologies BOX ES-2 Crosscutting Materials Properties multifunctionality self-healing and/or self-diagnosing materials materials for low total-cost systems low-maintenance materials high-reliability materials environmentally conscious materials and processes Successful research in the broad classes of materials and process research enumerated above would have an impact on systems for Defense After Next only if a number of crosscutting issues are also addressed successfully (Box ES-31.
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Research areas can be grouped so they have sufficient overlap to ensure that all major areas are included. The committee identified five technical areas for these detailed studies: structural and multifunctional materials; energy and power materials; electronic and photonic materials; functional organic and hybrid materials; and big-derived and big-inspired materials.
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Structural and Multifunctional Materials Pane! A consistent theme in DOD's system needs is the requirement for stronger, lighter, and stiffer materials that can meet increasingly stringent weight, mobility, and performance requirements.
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These materials frequently offer weight advantages over their inorganic counterparts. If some functionalities, such as environmental resoonsivitv or the capability of self-healing, could be introduced, these materials would be extremely attractive, as sensors, for example, or for dealing with chemical and biological agents.
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