# Bond and Wang theory

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A theory of crushing and grinding; the energy (h) required for crushing varies
inversely as the modulus of elasticity (E) and specific gravity (S), and
directly as the square of the compressive strength (C) and as the approximate
reduction ration (n). The energy in horsepower hours required to crush a short
ton of material is given by the following equation, in which all quantities are
in feet per second units: h = [0.001748C (super 2) / SE] [(n + 2) (n - 1) / n].
The theory is due to F. C. Bond and J. T. Wang. *Dodd *

Source: Dictionary of Mining, Mineral, and Related Terms

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