What are some important characteristics for material selection?

Mechanical Engineering Materials Science
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You interact with materials everyday! What do you think governed material selection choices for your water bottle, laptop, or phone.

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  1. Stiffness: how much it deflects
  2. Strength: how much stress it can endure
  3. Hardness: indentations, ability to resist deformation
  4. Electrical & Thermal Conductivity:
  • Even though you’re designing the physical shape, still have to think about how the hardware intimately connects with the casing and material structure of apple watch and iphone
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strength to weight, corrosions characteristics, & thermal expansion