Energetics of plastic flow under high pressure and shear deformation

A polycrystalline organic compound was used to measure the total mechanical energy consumed in the process of shear deformation on Bridgman's anvils under pressure. We estimated quantitatively the energy consumed during shear deformation of a polycrystalline sample of arilinedandione dimer unde...

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Bibliographic Details
Published in:Journal of solid state chemistry 1992-06, Vol.98 (2), p.337-342
Main Authors: Dadali, A.A., Lastenko, I.P., Blank, V.D., Danilov, V.A.
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Deformation and plasticity (including yield, ductility, and superplasticity)
Exact sciences and technology
Mechanical and acoustical properties of condensed matter
Mechanical properties of solids
Physics
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Summary:A polycrystalline organic compound was used to measure the total mechanical energy consumed in the process of shear deformation on Bridgman's anvils under pressure. We estimated quantitatively the energy consumed during shear deformation of a polycrystalline sample of arilinedandione dimer under pressure. It was established that 88% of the energy is converted to heat, while 11% is transferred in the form of anvil elastic deformation to the operating device. The share of total energy transformed into the chemical one—rupture of bonds—is low and does not exceed 1%.
ISSN:0022-4596
1095-726X
DOI:10.1016/S0022-4596(05)80243-9