Speakur

Word Pronunciation & Dictionary

hall-petch equation

Word Rarity Very rare

Frequency: Zipf frequency 1.93 in modern English

Syllables
hal-l-petch e-qua-tion
IPA
36
Scrabble Score
17
Letters
5
Syllables
12
Unique Chars

Meaning

name

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.

Etymology

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

Inflected Forms

the Hall-Petch equation (canonical)

Questions

What does hall-petch equation mean?
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.
Where does hall-petch equation come from?
Independently discovered by English scientists Eric O. Hall and Norman J. Petch, in 1951 and 1953 respectively.

How to pronounce hall-petch equation

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