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Kinetic Nature of the Process of Microindentation into Alkali Halide Crystals
Author(s) -
Kats M. S.,
Regel V. R.,
Boyarskaya Yu. S.,
Boyarskaya S.
Publication year - 1974
Publication title -
kristall und technik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.377
H-Index - 64
eISSN - 1521-4079
pISSN - 0023-4753
DOI - 10.1002/crat.19740091207
Subject(s) - sublimation (psychology) , halide , alkali metal , indentation hardness , activation energy , kinetic energy , indentation , materials science , logarithm , composite material , analytical chemistry (journal) , mineralogy , chemistry , thermodynamics , inorganic chemistry , mathematics , physics , classical mechanics , microstructure , psychology , organic chemistry , psychotherapist , mathematical analysis , chromatography
The investigation of the dependence of indentor intrusion depth on the time of load application and temperature for the alkali‐halide crystals KCl, LiF, NaCl has been carried out. The dependence of indentor intrusion velocity logarithm lg ḣ in microhardness H appears to be linear in the investigated interval of loading times and temperatures. The data obtained may prove the thermofluctuational character of the microindentation process. — The activation energy of microindentation process almost coincides with the activation energies of the sublimation process.