Boeing is making another significant design change to the Dreamliner to accommodate yet another problem that had not been previously disclosed. Boeing ordered suspension of fuselage production at an Italian subcontractor in June when it became apparent small wrinkles were forming in the composite skin. Spokesperson Lori Gunter tells Design News: “We have designed a fix for the barrels that have already been built-a simple patch that is installed from the outside of the airplane. We are completing a permanent fix to the design that will accommodate the changes in the stringer without needing to install a patch-this basically consists of adding a few layers of composites in key areas of the fuselage.”
As reported in Design News, Boeing engineers are also redesigning the area where the wing mounts to the fuselage. The Dreamliner is already two years behind schedule.
Just in time for Earth Day, chemicals leader Bayer MaterialScience reported from the UTECH Europe 2015 polyurethane show on programs and applications using its materials to help reduce energy usage. The company also gave an update on its CO2-based PU as that eco-friendly material comes closer to production.
A slew of announcements about new materials and design concepts for transportation have come out of several trade shows focusing on plastics, aircraft interiors, heavy trucks, and automotive engineering. A few more announcements have come independent of any trade shows, maybe just because it's spring.
At the JEC Europe 2015 composites show in Paris last month, makers of composite materials, software, and process equipment showed off their latest innovations. This year's show saw some announcements related to automotive applications, but many of the improvements came in the world of aerospace.
The DuPont-sponsored Plastics Industry Trends survey shows engineers want improved performance in a broad range of plastics and better recycling technology. These concerns top even processing enhancements that improve productivity.
Plastics leader SABIC recently announced a global initiative to help its customers take advantage of additive manufacturing (AM) and also advance 3D printing (3DP) technologies in several application areas. The company's plans go way beyond materials, and also include design, processing, and part performance.
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