Duralumin and similar metal alloys are better in most cases, but often have really nasty coefficients of expansion, and tend to "sing" or vibrate.    From Wordnik.com.  [Archive 2006-01-01] Reference

Duralumin walkways were provided to allow ready access to the engines for maintenance purposes.    From Wordnik.com.  [WN.com - Business News] Reference

Duralumin, an aluminum alloy used in airship frames and auto body panels, isn't necessarily the first material springing to one's mind when it comes to cell phones cases.    From Wordnik.com.  [Megite Technology News: What's Happening Right Now] Reference

Duralumin was therefore at once adopted.    From Wordnik.com.  [British Airships, Past, Present, and Future] Reference

Duralumin alloy (Mass density.    From Wordnik.com.  [PLoS ONE Alerts: New Articles] Reference