LEADER 01522nas 2200349 n 450 001 990008962370403321 005 20240229084246.0 011 $a0430-3776 035 $a000896237 035 $aFED01000896237 035 $a(Aleph)000896237FED01 035 $a000896237 091 $2CNR$aP 00015079 100 $a20161109a19509999km-y0itaa50------ba 101 0 $aeng 110 $aauu-------- 200 1 $aFieldiana. Zoology memoirs 207 1$a1950- 210 $aChicago$cChicago Natural History Museum 530 0 $aFieldiana. Zoology memoirs 675 $a591 712 02$aChicago Natural History Museum 801 0$aIT$bACNP$c20090723 859 4 $uhttp://acnp.cib.unibo.it/cgi-ser/start/it/cnr/dc-p1.tcl?catno=7721&person=false&language=ITALIANO&libr=&libr_th=unina1$zBiblioteche che possiedono il periodico 901 $aSE 912 $a990008962370403321 958 $aBiblioteca del Dipartimento di Entomologia e Zoologia Agraria dell'Università degli Studi di Napoli Federico II$b1950-1964;$fDAGEN 959 $aDAGEN 996 $aFieldiana. 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Significant advances in the performance and efficiency of jet and rocket propulsion systems are strongly dependent on the development of lighter more durable high-temperature materials. Materials development has been significantly reduced in the United States since the early 1990s, when the Department of Defense (DOD), the military services, and industry had very active materials development activities to underpin the development of new propulsion systems. This resulted in significant improvements in all engine characteristics and established the United States in global propulsion technology. Many of the significant advances in aircraft and rocket propulsion have been enabled by improved materials and, materials manufacturing processes. To improve efficiency further, engine weight must be reduced while preserving thrust. Materials Needs and Research and Development Strategy for Future Military Aerospace Propulsion Systems examines whether current and planned U.S. efforts are sufficient to meet U.S. military needs while keeping the U.S. on the leading edge of propulsion technology. This report considers mechanisms for the timely insertion of materials in propulsion systems and how these mechanisms might be improved, and describes the general elements of research and development strategies to develop materials for future military aerospace propulsion systems. 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