SPF/DB Wing Structures Development for the High-Speed Civil Transport
Date Published: 1994-10-01
Paper Number:942158
DOI: 10.4271/942158
Citation:
Hatakeyama, S., "SPF/DB Wing Structures Development for the High-Speed Civil Transport," SAE Technical Paper 942158, 1994, doi:10.4271/942158.
Author(s):
S. J. Hatakeyama - McDonnell Douglas Aerospace
Abstract:
Superplastically formed/diffusion bonded (SPF/DB) titanium sandwich structure offers a lightweight, cost-efficient approach to meeting the 60,000 hour, 350°F structural life requirement of the High-Speed Civil Transport (HSCT). An innovative multi-sheet SPF/DB crossweb sandwich panel offers improved durability and damage tolerance characteristics over conventional four-sheet SPF/DB panels. In addition, new titanium alloys and improved fabrication techniques have increased the structural efficiency and durability of this structure for application to HSCT wing panels and substructure.
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