Abstract
The problem of determining the loading conditions under which the maximum softening of materials is attained with minimal fracture energy consumption is posed in many practical applications (in building, explosion, drilling, grinding, metal processing by cutting, domestic and industrial waste processing, food industry, drug production, and pulp-and-paper industry). Nowadays, in many of these areas, the fracture energy consumption is rather large and ill grounded. Comparison of energy consumption by different loading programs allows one to distinguish energy saving loading conditions which can be recommended to improve the structures and operation modes of various equipment, in particular, in the field of grinding of hard materials. In the present paper, it is proposed to estimate the energy consumption according to the damage summation law expressed in terms of relative energy consumption indices.
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Original Russian Text © R.A. Arutyunyan, 2012, published in Izvestiya Akademii Nauk. Mekhanika Tverdogo Tela, 2012, No. 4, pp. 63–70.
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Arutyunyan, R.A. Estimate of energy consumption in fracture of solids. Mech. Solids 47, 426–432 (2012). https://doi.org/10.3103/S0025654412040073
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DOI: https://doi.org/10.3103/S0025654412040073