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The Microhardness and the Toughness Anisotropy of Paratellurite Single Crystals in the T r — 650 °C Temperature Range
Author(s) -
Lomonov V. A.,
Pisarevski Yu. V.,
Sizova N. L.,
Silvestrova I. M.,
Dohnovskaya S. I.,
Cholokov M. N.
Publication year - 1992
Publication title -
crystal research and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0232-1300
DOI - 10.1002/crat.2170270720
Subject(s) - anisotropy , atmospheric temperature range , materials science , indentation hardness , range (aeronautics) , modulus , crystallography , toughness , condensed matter physics , fracture toughness , degree (music) , composite material , chemistry , thermodynamics , optics , microstructure , physics , acoustics
The temperature hardness ( H v ) and toughness ( K 1C ) dependence of paratellurite (100), (010), (001) planes is investigated in the T r −650 °C range. The correlation between the anisotropy degree of Young modulus and H v is not found. The presence of 11 kind H v and K 1C anisotropy is shown.

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