Materials selection - some considerations Economics Environmental Political Market Aesthetics Material properties
Materials selection - material cost Relative cost - compared to that of hot rolled ASTM A36 plate (0.29C-1Mn-0.28Si) (unit wt. basis)
Materials selection - environmental Health hazards Recycling when drawing SS to rod need lubricant Metals particularly suited to recycling - can be easily sorted, remelted, & shaped Ceramics usually not recycled - many polymers are Composites difficult to recycle - difficult to separate fibers from matrix
Materials selection - political Who writes the specs for contract bids? Will they specify stainless steel rebar in roads & bridges?
Materials selection - market Carrera GT vs …… Kia vs ……
Materials selection - aesthetics
Materials selection - properties
Materials selection - properties
Materials selection - properties
Materials selection - properties 500 MPa log sf = log r + log P
Materials selection - properties 500 MPa