What is the difference between strength and stiffness in a material?tccicomputercoaching.com
Strength – The ability of the material to support a load without breaking (physical failure)
Stiffness – The ability of the material to distribute a load and resist deformation or deflection (functional failure)
Difference in Detail
· A measure of the maximum load that can be placed on a material before it permanently deforms or breaks. Engineers often use this as yield stress, sy, as a measure of a material’s strength.
· Strength is a ability of a material to withstand an applied load without getting plastically deformed or rupture, whereas Stiffness is the degree to which an object resists its deformation in applied load.
=> Hard to be Broken
· A measure of the amount of deflection that a load causes in a material. Engineers use a value called Young’s modulus, E, for stiffness.
· Stiffness is given as Load per unit deflection.
=>Hard to be Band
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