Zener–Hollomon parameter

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The Zener–Hollomon parameter is used to help describe high temperature creep strain of a material such as steel.[1]

The Zener–Hollomon parameter is also known as the temperature compensated strain rate.

It is given by


where is the strain rate, Q is the activation energy, R is the gas constant, T is the temperature.

It is named after Clarence Zener and John HerbertHollomon, Jr.

See also[edit]


  1. ^ Fire Safety Engineering, J.A. Purkiss, 2007, 2nd ed. Butterworth-Heinemann. Oxford