June 2006 edition

Aircraft partners sought to develop new expanded metal prototypes

Aircraft manufacturers are being alerted to test results that appear to favour the use of more expanded metal in structures designed to reduce weight and cost.

The tests have been conducted as part of research by the University of Teesside's School of Engineering in the UK. They were commissioned by the Hartlepool-based Expanded Metal Company Ltd (Expamet).

Carl Rogers, gm, Expamet's added value unit, said: "The tests focused on the expanding production process whereby ductile metal is slit and stretched to form knuckles and openings in the sheet. The tests showed that the process reduces the weight of the sheet on average by over 50 per cent with a comparative loss of strength of only 20 per cent.

"Tes....

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