I don't know about corrugated aluminium, but aluminium honeycomb is definitely a thing: https://www.easycomposites.co.uk/aluminium-honeycomb https://www.easycom

I don't know about corrugated aluminium, but aluminium honeycomb is definitely a thing: https://www.easycomposites.co.uk/aluminium-honeycomb https://www.easycomposites.co.uk/aluminium-honeycomb