Hall-Petch equation

English

Etymology

Independently discovered by English scientists Eric O. Hall and Norman J. Petch, in 1951 and 1953 respectively.

Proper noun

the Hall-Petch equation

(materials science) A relationship between the yield point and grain size of a material given by the equation σ_y = σ₀ + k_y * d^-0.5, where σ_y is the yield stress, d is the average grain diameter, and σ₀ and k_y are constants specific to a particular material.

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.