This preview shows page 1. Sign up to view the full content.
Unformatted text preview: Willing to pay $100-200/lb of weight saved; Total cost = materials costs + design + machining + maintenance + For metals, talk buy/fly ratio (much machining); for composite, largely net shape manufacturing Recycling is an issue; Al easier than most composites. Older technology: A300-B4 has 4 % composites, 4% Ti, 12% STL, 77% Al (!), 3% other (Aerospace America, 8/06) Newer technology: Boeing 787 has 50% composites, 10% STL, 20% Al, 15% Ti, 5% other (Boeing http://www.boeing.com/commercial/787family/programfacts.html 8/06)...
View Full Document
- Fall '11