Documents / Official release
This Defense Intelligence Reference Document, DIA-08-0912-008, is dated 12 January 2010. It was prepared by the Defense Warning Office's Acquisition Support Division at the Defense Intelligence Agency as one of a series of FY 2009 technology reports under the Advanced Aerospace Weapon System Applications program. It reviews materials for launch vehicles, space vehicles and reusable rocket engines, including aluminum alloys, polymer and metal matrix composites, titanium and nickel alloys, and titanium aluminides. It concludes that newer materials and integrated design could improve on the space shuttle.
From the source: Release of 2026-09-18 Incident: 1/12/10, Las Vegas, Nevada. Released with redactions. This document is a Defense Intelligence Reference Document (DIRD), a technical reference format used by the Defense Intelligence Agency (DIA) to capture baseline knowledge on a specific topic for later analytic use. DIRDs are best understood as reference and synthesis products rather than as original research. It is one of 38 DIRDs produced under the Advanced Aerospace Weapon System Applications Program (AAWSAP) between 2009 and 2011. Because AAWSAP’s scope permitted a broad range of supporting topics, not every DIRD in the series directly concerns aerospace systems or future threat assessment. The following summary reflects the DIRD’s scope and framing at the time of writing and should not be read as implying current validation of the concepts discussed. This DIRD surveys the structural materials needed for advanced aerospace platforms and argues that material choice cannot be separated from overall vehicle design, because launch vehicles, space vehicles, reusable systems, and propulsion hardware each face different temperature, durability, weight, and manufacturing constraints. The report reviews a range of candidate material classes, including advanced aluminum alloys; polymer-, aluminum-, and titanium-matrix composites; titanium alloys; nickel-base alloys; refractory metals; ceramic-matrix composites; carbon-carbon composites; and titanium aluminides. It emphasizes that balancing performance against practical limits such as fabrication methods, cost, inspection, contamination control, and service environment remains a major challenge. Its overall conclusion is that many promising materials exist, but their usefulness depends on application-specific tradeoffs and on closer integration of material selection with design and manufacturing, with some systems judged to be more valuable targets for development than others.
UNCLASSIFIED/ /FOR OFFI@IAl W&lii 9PU.Y Contents Introduction ...........................................................................................................iv Launch Vehicles ................................................................................................. 1 Reusable Crew Modules...................................................................................... 9 Reusable Single-Stage-to-Orbit Vehicles ...................................................... 10 Advanced Al Alloys ....................................................................................... 11 Polymer Matrix Composites .......................................................................... 11 Al Matrix Composites.................................................................................... 12 Ti Alloys ....................................................................................................... 12 Ti Matrix Composites .................................................................................... 14 Ni-base Alloys .............................................................................................. 16 Refractory Metal Alloys ................................................................................ 18 Ceramic Matrix Composites .......................................................................... 18 Carbon-Carbon Composites .......................................................................... 19 Titanium Aluminides .................................................................................... 20 Propulsion Systems .......................................................................................... 21 Summary and Recommendations ..................................................................... 22 Figures 1. Schematic Diagram of Friction Stir Welding ....................................................... 2 2. Specially Modified 747 Transporter Unloading a Boeing 787 Composite Fuselage Barrel Section ..................................................................................... 4 3. Micrograph Showing Phase Formation at the Surface of a Ti Alloy That has Been Exposed to Air at Elevated Temperature ................................................. 13 4. Cross-Section Micrograph of a Ti Matrix Composite .......................................... 15 Tables 1. Potential Materials by Use Temperature Regime and Property ......................... 10 2. Example of Properties of Ti Matrix Composites ................................................ 14 iii UNCLASSIFIED/ /FOR 0FFI€1Ak Uili ,u1k¥
Not linked to a story yet.
Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 27 pages are in the text index: search them above, or from the library's search.