By National Research Council, Division on Engineering and Physical Sciences, Board on Army Science and Technology, National Materials Advisory Board, Committee on Opportunities in Protection Materials Science and Technology for Future Army Applications
Armor performs an important function within the defense of warriors. through the process historical past, the advent of recent fabrics and enhancements within the fabrics already used to build armor has ended in greater security and a discount within the weight of the armor. yet regardless of such advances in fabrics, the burden of the armor required to regulate threats of ever-increasing harmful strength provides a massive challenge.
Opportunities in safety fabrics technological know-how and expertise for destiny military Applications explores the present theoretical and experimental knowing of the major matters surrounding security fabrics, identifies the key demanding situations and technical gaps for constructing the long run new release of light-weight defense fabrics, and recommends a direction ahead for his or her improvement. It examines multiscale shockwave strength move mechanisms and experimental techniques for his or her characterization over brief timescales, in addition to multiscale modeling strategies to foretell mechanisms for dissipating power. The file additionally considers exemplary threats and layout philosophy for the 3 key functions of armor structures: (1) body of workers safety, together with physique armor and helmets, (2) motor vehicle armor, and (3) obvious armor.
Opportunities in safety fabrics technological know-how and expertise for destiny military Applications recommends that the dep. of safeguard (DoD) determine a safety initiative for defense fabrics by way of layout (PMD), with linked investment strains for easy and utilized examine. The PMD initiative should still comprise a mix of computational, experimental, and fabrics trying out, characterization, and processing learn carried out through executive, undefined, and academia.
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Extra resources for Opportunities in Protection Materials Science and Technology for Future Army Applications
Sample text
Does ballistic behavior depend on some vague or unknown property or combination of properties, and, if so, how can they be identified, measured, and even enhanced? Can the chemistry and processing of materials be manipulated to achieve microstructures that exhibit nonconventional mechanical properties once they have been identified? Can such manipulation improve penetration resistance? 1 An understanding of the mechanisms operating in a target during a penetration event can suggest microstructures—including those that characterize the chemical and phase composition of the building blocks—that are more resistant to penetration and that will lead to protective materials with better performance (see Box 3-1).
Figure 2-2, taken from an earlier NRC study,9 shows a typical range at ATC as well as one at New Lenox Machine Co. Exemplary Threats and Armor Designs Although the testing and definitions described above hold for all classes of armor systems, the threats and the design philosophy are completely dependent on how the armor is used. Thus, each of the three applications focused on in this report (personnel, vehicle, and transparent armors) are treated separately. It should be noted that military armor systems are currently purchased according to performance specifications that are classified.
D-2009-047, January 29. Available online at http://www. pdf. Last accessed April 29, 2011. tection, primary ballistic protection is also based on the performance of the fiber. However, the currently fielded helmet, the advanced combat helmet (see Box 2-2 for materials of construction), must not only provide ballistic protection, but it must also protect against blunt forces. Equally important, the helmet must provide comfort and thermal management without degrading vision or hearing and be able to interface with other equipment, including night vision goggles and FIGURE 2-6 Effect of a ballistic threat on performance.