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@tynan
Young's modulus of:
Magnesium - 45
Aluminum - 69
Brass/Bronze -100
Titanium - 115
Carbon Fibre reinforced plastic (50/50 fibre/matrix, unidirectional, along grain) - 150
Steel - 200
Silicon carbide - 450
Tungsten carbide - 500
Titanium Nitride - 650
Single carbon nanotube - 1000
Diamond ~ 1000-1200
'Bedding in' as we know is a euphemism for 'wearing out' ! ;P