Endurance Limit Calculator

The endurance limit () is the maximum stress amplitude that a material can withstand under cyclic loading without experiencing fatigue failure over an infinite number of cycles. The formula for calculating the endurance limit of a material is typically expressed as:

where:

    • = Endurance limit or fatigue limit (in pascals, Pa)
    • = Ultimate tensile strength of the material (in pascals, Pa)
    • = Factor of safety for fatigue (unitless)

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