Strength,Toughness,Hardness, Resilience2,3 ME350- ·Strength >Ability to resist yielding/breaking. Common measures are the Yield Stress or Ultimate Stress. ·Toughness >Ability to withstand impact or resist breaking. Common measure is the energy or work necessary to fracture the material. ·Hardness >Ability to resist abrasion/scratching. Common measures are the Brinell or Rockwell Hardness Test. 10ME 350 10 Strength, Toughness, Hardness, Resilience 2,3 • Strength ØAbility to resist yielding/breaking. ØCommon measures are the Yield Stress or Ultimate Stress. • Toughness ØAbility to withstand impact or resist breaking. ØCommon measure is the energy or work necessary to fracture the material. • Hardness ØAbility to resist abrasion/scratching. ØCommon measures are the Brinell or Rockwell Hardness Test