Gon5~SPARTA~ Posted October 15, 2015 Share Posted October 15, 2015 https://www.yahoo.com/tech/s/boeing-lightest-metal-ever-99-99-air-must-030032588.html?soc_src=social-sh&soc_trk=tw 1 Link to comment Share on other sites More sharing options...
custard~SPARTA~ Posted October 15, 2015 Share Posted October 15, 2015 Nice Hoot works in a steelworks in Wales it makes high end steel lighter than Aluminum until he told me I didn't know that it was even possible 1 Link to comment Share on other sites More sharing options...
Zathrus~SPARTA~ Posted October 15, 2015 Share Posted October 15, 2015 (edited) yes it is possible. However the alloys and processes used are pretty damn expensive. What Boeing appears to be doing, is figuring out how to replace a "Honeycomb composite structure" with a "Honeycomb steel structure". I think this is likely a great way to go, it would be much more durable than the current honeycomb composite structures. De-lamination in composite structures in general is a huge problem, because it is very difficult to detect without cutting it open and looking. They have to use sonar to actually look for it, x-rays even miss much of it especially at the beginning of the failure. Either test process is extremely expensive relative to the previous visual inspection of an all metal aircraft. I think this is what they are shooting for, A honeycomb steel structure could likely be inspected with a visual inspection. Steel does a very good job of distributing any given load over a large area compared to composite structures, this means a problem becomes visible very quickly. Composites tend to fracture and separate under the these conditions, therefore not transmitting signs of the problem to the surface. Edited October 15, 2015 by Zathrus~SPARTA~ 1 Link to comment Share on other sites More sharing options...
Cylawyer~SPARTA~ Posted October 15, 2015 Share Posted October 15, 2015 very cool Link to comment Share on other sites More sharing options...
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