Re: the use of titanium in commercial planes

Date:         13 Jan 99 02:13:38 
From:         Frank Jenkins <>
Organization: Savantics Inc.
References:   1 2 3 4
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Karl Swartz wrote:
> ......  The
> seat rails are titanium in the flex zones, providing greater strength
> where heavier monoliths (galleys, lavs) might be located while keeping
> the standard mounting for seats.  ......

I was told by an engineer who worked on the 777 that the reason for
using titanium in the flex areas was for corrosion resistance (higher
likelihood of spilled fluids), but the added strength may have been a
reason also.