Word.ws English Dictionary

Hall-Petch equation

Hall-Petch equation proper noun: 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.

Proper noun

the Hall-Petch equation

  1. (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.

Origin of Hall-Petch equation

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

Questions about Hall-Petch equation

What does Hall-Petch equation mean?
Hall-Petch equation means 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.
What part of speech is Hall-Petch equation?
Hall-Petch equation is a proper noun.

Words near Hall-Petch equation in the dictionary

  1. Hall-Héroult process
  2. hall-mark
  3. hall-marks
  4. hall-of-famer
  5. hall-of-famers
  6. Hall-Petch equation
  7. halla
  8. hallaballoo
  9. hallaballoos
  10. hallabaloo
  11. hallabaloos

Source and license

Adapted from Wiktionary: Hall-Petch equation (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “Hall-Petch equation.” Word.ws, https://word.ws/hall-petch_equation. Based on Wiktionary, CC BY-SA 4.0.