Current production aerospace materials will not satisfy the requirements for a next-generation supersonic transport, currently envisioned as a Mach 2.4 cruise aircraft that carries 300 passengers over 9,260 - 12,000 km (5000 - 6500 nm) transoceanic routes. Research sponsored by the National Aeronautics and Space Administration has concluded that titanium alloys and high-temperature polymer-matrix composites are required to meet the elevated temperatures encountered on aerodynamically heated wing and fuselage surfaces during supersonic cruise. This paper presents an overview of the technology challenges facing materials developers and structural designers for the High-Speed Civil Transport (HSCT). Significant progress has been achieved in the development of lightweight, durable, damage-tolerant wing and fuselage structural concepts using advanced polymeric composites and hybrid laminate systems. Highlights of design, analysis, fabrication and test of innovative sandwich and skin-stiffened structural concepts are presented.
The high-speed civil transport: a supersonic leap in technology
Das Hochgeschwindigkeits-Verkehrsflugzeug: Ein Überschallsprung in der Technik
1997
10 Seiten, 13 Bilder, 5 Quellen
Conference paper
English
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