30 research outputs found
Π Π°ΡΡΠ΅Ρ ΠΌΠ΅ΡΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ Ρ Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ ΡΠΈΡΡΠ΅ΠΌΡ ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ pH ΡΠΌΠ΅ΡΠΈ ΠΊΠΈΡΠ»ΠΎΡ ΠΈ ΡΠ΅Π»ΠΎΡΠ΅ΠΉ
The paper proposes a model of method to control a pH index of acid and alkali solution mixtures. This model is based on the measurement of the material amount in mixed solutions. It permits to calculate the required metrological characteristics of measuring channels.The calculation of admissible concentration and mass values of solutions to be mixed is given in the paper. The limits of admissible measurement error values are also calculated.It is shown that the proposed method that is to control a pH index is applicable for automation of technological neutralization processes of acids and alkalis contaminated by fine-disperse inclusions under conditions of industrial plants.Π ΡΠ°Π±ΠΎΡΠ΅ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π° ΠΌΠΎΠ΄Π΅Π»Ρ ΠΌΠ΅ΡΠΎΠ΄Π° ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Ρ pH ΡΠΌΠ΅ΡΠΈ ΡΠ°ΡΡΠ²ΠΎΡΠΎΠ² ΠΊΠΈΡΠ»ΠΎΡ ΠΈ ΡΠ΅Π»ΠΎΡΠ΅ΠΉ, ΠΎΡΠ½ΠΎΠ²Π°Π½Π½Π°Ρ Π½Π° ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΈ ΠΊΠΎΠ»ΠΈΡΠ΅ΡΡΠ²Π° Π²Π΅ΡΠ΅ΡΡΠ²Π° Π² ΡΠΌΠ΅ΡΠΈΠ²Π°Π΅ΠΌΡΡ
ΡΠ°ΡΡΠ²ΠΎΡΠ°Ρ
ΠΈ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠ°Ρ ΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΡΡ ΡΠ°ΡΡΠ΅Ρ ΡΡΠ΅Π±ΡΠ΅ΠΌΡΡ
ΠΌΠ΅ΡΡΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ ΠΈΠ·ΠΌΠ΅ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΊΠ°Π½Π°Π»ΠΎΠ².ΠΡΠΎΠΈΠ·Π²Π΅Π΄Π΅Π½ ΡΠ°ΡΡΠ΅Ρ Π΄ΠΎΠΏΡΡΡΠΈΠΌΡΡ
Π·Π½Π°ΡΠ΅Π½ΠΈΠΉ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΉ ΠΈ ΠΌΠ°ΡΡ ΡΠΌΠ΅ΡΠΈΠ²Π°Π΅ΠΌΡΡ
ΡΠ°ΡΡΠ²ΠΎΡΠΎΠ², Π° ΡΠ°ΠΊΠΆΠ΅ ΠΏΡΠ΅Π΄Π΅Π»ΠΎΠ² Π΄ΠΎΠΏΡΡΡΠΈΠΌΡΡ
Π·Π½Π°ΡΠ΅Π½ΠΈΠΉ ΠΏΠΎΠ³ΡΠ΅ΡΠ½ΠΎΡΡΠ΅ΠΉ ΠΈΡ
ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ.ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ ΠΌΠ΅ΡΠΎΠ΄ ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ ΠΏΠΎΠΊΠ°Π·Π°ΡΠ΅Π»Ρ pH ΠΏΡΠΈΠΌΠ΅Π½ΠΈΠΌ Π΄Π»Ρ Π°Π²ΡΠΎΠΌΠ°ΡΠΈΠ·Π°ΡΠΈΠΈ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² Π½Π΅ΠΉΡΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ Π·Π°Π³ΡΡΠ·Π½Π΅Π½Π½ΡΡ
ΠΌΠ΅Π»ΠΊΠΎΠ΄ΠΈΡΠΏΠ΅ΡΡΠ½ΡΠΌΠΈ Π²ΠΊΠ»ΡΡΠ΅Π½ΠΈΡΠΌΠΈ ΠΊΠΈΡΠ»ΠΎΡ ΠΈ ΡΠ΅Π»ΠΎΡΠ΅ΠΉ Π² ΡΡΠ»ΠΎΠ²ΠΈΡΡ
ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΡΡ
ΠΏΡΠ΅Π΄ΠΏΡΠΈΡΡΠΈΠΉ
Peculiarities of Optoacoustic Excitation and Propagation of Plate Waves in Thin-Walled Πbjects
Increasing the efficiency of non-destructive control of lamellar materials with single and double-layer structure is an urgent scientific and technical task. The aim of the work was to investigate the peculiarities of excitation and reception of plate waves (PW) in single-layer and two-layer materials by pulsed laser radiation in relation to detection of cracks in them and estimation of layer thickness at one-sided sounding. A methodology has been developed and experimental studies of the influence of moving the area of laser generation of PW over the surface of dural samples relative to the crack simulator of different depth with the subsequent reception of the signal at a characteristic angle of inclination have been carried out. A significant change in the structure of the wave front at localization of the moving wave source zone in the vicinity of the crack simulator was found, accompanied by a change in the ratio of extreme values of amplitudes of the received asymmetric mode Aextr up to 14β15 dB. At receiving the symmetric s0 mode the value of Aextr does not exceed 3β4 dB. The interpretation of this effect is given. A method and scheme of thickness measurement of twolayer materials with metallized coating and non-metallic base (glass-textolite) is proposed and developed, where samples with copper coating and glass-textolite base of different thickness are used as an example. In this case, the velocity or propagation time of PW, between two small aperture (non-directional) transducers with an acoustic base of 43 mm, is used as an informative parameter. In this case, the estimated sensitivity of the measured circuit to changes in the thickness of the metal coating is of 0.5 ΞΌm, and the base β twice as much
ΠΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ ΠΎΠΏΡΠΎΠ°ΠΊΡΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ Π²ΠΎΠ·Π±ΡΠΆΠ΄Π΅Π½ΠΈΡ ΠΈ ΡΠ°ΡΠΏΡΠΎΡΡΡΠ°Π½Π΅Π½ΠΈΡ ΠΏΠ»Π°ΡΡΠΈΠ½ΡΠ°ΡΡΡ Π²ΠΎΠ»Π½ Π² ΡΠΎΠ½ΠΊΠΎΡΡΠ΅Π½Π½ΡΡ ΠΎΠ±ΡΠ΅ΠΊΡΠ°Ρ
Increasing the efficiency of non-destructive control of lamellar materials with single and double-layer structure is an urgent scientific and technical task. The aim of the work was to investigate the peculiarities of excitation and reception of plate waves (PW) in single-layer and two-layer materials by pulsed laser radiation in relation to detection of cracks in them and estimation of layer thickness at one-sided sounding. A methodology has been developed and experimental studies of the influence of moving the area of laser generation of PW over the surface of dural samples relative to the crack simulator of different depth with the subsequent reception of the signal at a characteristic angle of inclination have been carried out. A significant change in the structure of the wave front at localization of the moving wave source zone in the vicinity of the crack simulator was found, accompanied by a change in the ratio of extreme values of amplitudes of the receivedΒ asymmetric mode Aextr up to 14β15 dB. At receiving the symmetric s0 mode the value of Aextr does not exceed 3β4 dB. The interpretation of this effect is given. A method and scheme of thickness measurement of twolayer materials with metallized coating and non-metallic base (glass-textolite) is proposed and developed, where samples with copper coating and glass-textolite base of different thickness are used as an example. In this case, the velocity or propagation time of PW, between two small aperture (non-directional) transducers with an acoustic base of 43 mm, is used as an informative parameter. In this case, the estimated sensitivity of the measured circuit to changes in the thickness of the metal coating is of 0.5 ΞΌm, and the base β twice as much.ΠΠΎΠ²ΡΡΠ΅Π½ΠΈΠ΅Β ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΠΈΒ Β Π½Π΅ΡΠ°Π·ΡΡΡΠ°ΡΡΠ΅Π³ΠΎΒ Β ΠΊΠΎΠ½ΡΡΠΎΠ»ΡΒ Β ΠΏΠ»Π°ΡΡΠΈΠ½ΡΠ°ΡΡΡ
Β Β ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² Ρ ΠΎΠ΄Π½ΠΎΡΠ»ΠΎΠΉΠ½ΠΎΠΉ ΠΈ Π΄Π²ΡΡ
ΡΠ»ΠΎΠΉΠ½ΠΎΠΉ ΡΡΡΡΠΊΡΡΡΠΎΠΉ ΡΠ²Π»ΡΠ΅ΡΡΡ Π°ΠΊΡΡΠ°Π»ΡΠ½ΠΎΠΉ Π½Π°ΡΡΠ½ΠΎ-ΡΠ΅Ρ
Π½ΠΈΡΠ΅ΡΠΊΠΎΠΉ Π·Π°Π΄Π°ΡΠ΅ΠΉ. Π¦Π΅Π»Ρ ΡΠ°Π±ΠΎΡΡ Π·Π°ΠΊΠ»ΡΡΠ°Π»Π°ΡΡ Π² ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΈ ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠ΅ΠΉ Π²ΠΎΠ·Π±ΡΠΆΠ΄Π΅Π½ΠΈΡ ΠΈ ΠΏΡΠΈΡΠΌΠ° ΠΏΠ»Π°ΡΡΠΈΠ½ΡΠ°ΡΡΡ
Π²ΠΎΠ»Π½ (ΠΠ) Π² ΠΎΠ΄Π½ΠΎΡΠ»ΠΎΠΉΠ½ΡΡ
ΠΈ Π΄Π²ΡΡ
ΡΠ»ΠΎΠΉΠ½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°Ρ
ΠΈΠΌΠΏΡΠ»ΡΡΠ½ΡΠΌ Π»Π°Π·Π΅ΡΠ½ΡΠΌ ΠΈΠ·Π»ΡΡΠ΅Π½ΠΈΠ΅ΠΌ (ΠΠ) ΠΏΡΠΈΠΌΠ΅Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎ ΠΊ ΠΎΠ±Π½Π°ΡΡΠΆΠ΅Π½ΠΈΡ Π² Π½ΠΈΡ
ΡΡΠ΅ΡΠΈΠ½ ΠΈ ΠΎΡΠ΅Π½ΠΊΠΈ ΡΠΎΠ»ΡΠΈΠ½Ρ ΡΠ»ΠΎΡΠ² ΠΏΡΠΈ ΠΎΠ΄Π½ΠΎΡΡΠΎΡΠΎΠ½Π½Π΅ΠΌ ΠΏΡΠΎΠ·Π²ΡΡΠΈΠ²Π°Π½ΠΈΠΈ. Π Π°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π° ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° ΠΈ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π²Π»ΠΈΡΠ½ΠΈΡ ΠΏΠ΅ΡΠ΅ΠΌΠ΅ΡΠ΅Π½ΠΈΡ ΠΎΠ±Π»Π°ΡΡΠΈ Π»Π°Π·Π΅ΡΠ½ΠΎΠΉ Π³Π΅Π½Π΅ΡΠ°ΡΠΈΠΈ ΠΠ ΠΏΠΎ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ Π΄ΡΡΠ°Π»Π΅Π²ΡΡ
ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΠΎ ΠΈΠΌΠΈΡΠ°ΡΠΎΡΠ° ΡΡΠ΅ΡΠΈΠ½Ρ ΡΠ°Π·Π½ΠΎΠΉ Π³Π»ΡΠ±ΠΈΠ½Ρ Ρ ΠΏΠΎΡΠ»Π΅Π΄ΡΡΡΠΈΠΌ ΠΏΡΠΈΡΠΌΠΎΠΌ ΡΠΈΠ³Π½Π°Π»Π° ΠΏΠΎΠ΄ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠ½ΡΠΌ ΡΠ³Π»ΠΎΠΌ Π½Π°ΠΊΠ»ΠΎΠ½ΠΎΠΌ Ξ²Iββ. Π£ΡΡΠ°Π½ΠΎΠ²Π»Π΅Π½ΠΎ ΡΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠ΅ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΡΡΡΠΊΡΡΡΡ Π²ΠΎΠ»Π½ΠΎΠ²ΠΎΠ³ΠΎ ΡΡΠΎΠ½ΡΠ° ΠΏΡΠΈ Π»ΠΎΠΊΠ°Π»ΠΈΠ·Π°ΡΠΈΠΈ Π·ΠΎΠ½Ρ Π΄Π²ΠΈΠΆΡΡΠ΅Π³ΠΎΡΡ ΠΈΡΡΠΎΡΠ½ΠΈΠΊΠ° Π²ΠΎΠ»Π½ Π² ΠΎΠΊΡΠ΅ΡΡΠ½ΠΎΡΡΠΈ ΠΈΠΌΠΈΡΠ°ΡΠΎΡΠ° ΡΡΠ΅ΡΠΈΠ½Ρ, ΡΠΎΠΏΡΠΎΠ²ΠΎΠΆΠ΄Π°ΡΡΠ΅Π΅ΡΡ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ΠΌ ΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΡ ΡΠΊΡΡΡΠ΅ΠΌΠ°Π»ΡΠ½ΡΡ
Π·Π½Π°ΡΠ΅Π½ΠΈΠΉ Π°ΠΌΠΏΠ»ΠΈΡΡΠ΄ ΠΏΡΠΈΠ½ΠΈΠΌΠ°Π΅ΠΌΠΎΠΉ Π°ΡΠΈΠΌΠΌΠ΅ΡΡΠΈΡΠ½ΠΎΠΉ ΠΌΠΎΠ΄Ρ AextrΒ Β Π΄ΠΎ 14β15 Π΄Π. ΠΡΠΈ ΠΏΡΠΈΡΠΌΠ΅ ΠΆΠ΅ ΡΠΈΠΌΠΌΠ΅ΡΡΠΈΡΠ½ΠΎΠΉ s0Β ΠΌΠΎΠ΄Ρ Π²Π΅Π»ΠΈΡΠΈΠ½Π° AextrΒ Β Π½Π΅ ΠΏΡΠ΅Π²ΡΡΠ°Π΅Ρ 3β4 Π΄Π.Β ΠΠ°Π½Π° ΡΡΠ°ΠΊΡΠΎΠ²ΠΊΠ° ΡΡΠΎΠΌΡ ΡΡΡΠ΅ΠΊΡΡ. ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π° ΠΈ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π° ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° ΠΈ ΡΡ
Π΅ΠΌΠ° ΡΠΎΠ»ΡΠΈΠ½ΠΎΠΌΠ΅ΡΡΠΈΠΈ Π΄Π²ΡΡ
ΡΠ»ΠΎΠΉΠ½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² Ρ ΠΌΠ΅ΡΠ°Π»Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½Π½ΡΠΌ ΠΏΠΎΠΊΡΡΡΠΈΠ΅ΠΌ ΠΈ Π½Π΅ΠΌΠ΅ΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ (ΡΡΠ΅ΠΊΠ»ΠΎΡΠ΅ΠΊΡΡΠΎΠ»ΠΈΡ), Π³Π΄Π΅ Π² Β ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ Β ΠΏΡΠΈΠΌΠ΅ΡΠ° Β ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½Ρ Β ΠΎΠ±ΡΠ°Π·ΡΡ Β Ρ Β ΠΌΠ΅Π΄Π½ΡΠΌ Β ΠΏΠΎΠΊΡΡΡΠΈΠ΅ΠΌ ΠΈ ΠΎΡΠ½ΠΎΠ²ΠΎΠΉ ΠΈΠ· ΡΡΠ΅ΠΊΠ»ΠΎΡΠ΅ΠΊΡΡΠΎΠ»ΠΈΡΠ° ΡΠ°Π·Π½ΠΎΠΉ ΡΠΎΠ»ΡΠΈΠ½Ρ. Π Π΄Π°Π½Π½ΠΎΠΌ ΡΠ»ΡΡΠ°Π΅ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠ° ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ ΡΠΊΠΎΡΠΎΡΡΡ ΠΈΠ»ΠΈ Π²ΡΠ΅ΠΌΡ ΡΠ°ΡΠΏΡΠΎΡΡΡΠ°Π½Π΅Π½ΠΈΡ ΠΠ, ΠΌΠ΅ΠΆΠ΄Ρ Π΄Π²ΡΠΌΡ ΠΌΠ°Π»ΠΎΠ°ΠΏΠ΅ΡΡΡΡΠ½ΡΠΌΠΈ (Π½Π΅Π½Π°ΠΏΡΠ°Π²Π»Π΅Π½Π½ΡΠΌΠΈ) ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»ΡΠΌΠΈ. ΠΡΠΈ ΡΡΠΎΠΌ ΠΎΡΠ΅Π½ΡΠ½Π½Π°Ρ ΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡ ΠΈΠ·ΠΌΠ΅ΡΡΠ΅ΠΌΠΎΠΉ ΡΡ
Π΅ΠΌΡ ΠΊ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΡΠΎΠ»ΡΠΈΠ½Ρ ΠΌΠ΅ΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΠΎΠΊΡΡΡΠΈΡ ΡΠΎΡΡΠ°Π²Π»ΡΠ΅Ρ 0,5 ΠΌΠΊΠΌ, Π° ΠΎΡΠ½ΠΎΠ²Ρ β Π±ΠΎΠ»Π΅Π΅ ΡΠ΅ΠΌ Π² 2 ΡΠ°Π·Π° Ρ
ΡΠΆΠ΅
ΠΡΠΈΠ±ΠΎΡΠ½ΡΠΉ ΡΡΠ΄ ΡΠΎΡΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Ρ ΡΠΎΠ±ΡΡΠ²Π΅Π½Π½ΠΎΠΉ ΡΠΎΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡΡΡ
One of the ways to solve multiple problems of optical diagnostics is to use photovoltaic converters based on semiconductors with intrinsic photoconductivity slightly doped with deep impurities which form several energy levels with different charge states within the semiconductorβ²s bandgap. Peculiarities of physical processes of recharging these levels make it possible to construct photodetectors with different functionality based on a range of simple device structures.The aim of this work is to analyze peculiarities of conversion characteristics of single-element photovoltaic converters based on semiconductors with intrinsic photoconductivity, to systematize their properties and to represent structures of photovoltaic convertors as a device structures suitable for implementation in measurement transducers of optical diagnostics systems.Based on the analysis of the characteristics of the conversion characteristics of single-element photovoltaic converters based on semiconductors with intrinsic photoconductivity and the requirements for their design, a dash series of photovoltaic converters was developed for use in the measuring transducers of optical diagnostics systems. The possibility of constructing functional measuring transducers for multiparameter measurements of optical signals is shown.ΠΠ΄Π½ΠΈΠΌ ΠΈΠ· ΡΠΏΠΎΡΠΎΠ±ΠΎΠ² ΡΠ΅ΡΠ΅Π½ΠΈΡ ΠΌΠ½ΠΎΠ³ΠΎΠΎΠ±ΡΠ°Π·Π½ΡΡ
Π·Π°Π΄Π°Ρ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ ΡΠ²Π»ΡΠ΅ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΡΠΎΡΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Ρ ΡΠΎΠ±ΡΡΠ²Π΅Π½Π½ΠΎΠΉ ΡΠΎΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡΡΡ, ΡΠ»Π°Π±ΠΎ Π»Π΅Π³ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
Π³Π»ΡΠ±ΠΎΠΊΠΈΠΌΠΈ ΠΏΡΠΈΠΌΠ΅ΡΡΠΌΠΈ, ΡΠΎΡΠΌΠΈΡΡΡΡΠΈΠΌΠΈ Π½Π΅ΡΠΊΠΎΠ»ΡΠΊΠΎ ΡΡΠΎΠ²Π½Π΅ΠΉ Ρ ΡΠ°Π·Π½ΡΠΌΠΈ Π·Π°ΡΡΠ΄ΠΎΠ²ΡΠΌΠΈ ΡΠΎΡΡΠΎΡΠ½ΠΈΡΠΌΠΈ Π² Π·Π°ΠΏΡΠ΅ΡΡΠ½Π½ΠΎΠΉ Π·ΠΎΠ½Π΅. ΠΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠΈ ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΠΏΠ΅ΡΠ΅Π·Π°ΡΡΠ΄ΠΊΠΈ ΡΡΠΈΡ
ΡΡΠΎΠ²Π½Π΅ΠΉ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡ ΡΠΎΠ·Π΄Π°Π²Π°ΡΡ ΡΠΎΡΠΎΠΏΡΠΈΡΠΌΠ½ΠΈΠΊΠΈ Ρ ΡΠ°Π·Π»ΠΈΡΠ½ΡΠΌΠΈ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΠΌΠΈ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡΠΌΠΈ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΡΠ΄Π° ΠΏΡΠΎΡΡΡΡ
ΠΏΡΠΈΠ±ΠΎΡΠ½ΡΡ
ΡΡΡΡΠΊΡΡΡ.Π¦Π΅Π»ΡΡ ΡΠ°Π±ΠΎΡΡ ΡΠ²Π»ΡΠ΅ΡΡΡ Π°Π½Π°Π»ΠΈΠ· ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠ΅ΠΉ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΡΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ ΠΎΠ΄Π½ΠΎΡΠ»Π΅ΠΌΠ΅Π½ΡΠ½ΡΡ
ΡΠΎΡΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ Π½Π° Π±Π°Π·Π΅ ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Ρ ΡΠΎΠ±ΡΡΠ²Π΅Π½Π½ΠΎΠΉ ΡΠΎΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡΡΡ, ΡΠΈΡΡΠ΅ΠΌΠ°ΡΠΈΠ·Π°ΡΠΈΡ ΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ², ΠΈ ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½ΠΈΠ΅ ΡΡΡΡΠΊΡΡΡ, ΠΏΡΠ΅Π΄ΡΡΠ°Π²Π»Π΅Π½Π½ΡΡ
Π€ΠΠ Π² Π²ΠΈΠ΄Π΅ ΠΏΡΠΈΠ±ΠΎΡΠ½ΠΎΠ³ΠΎ ΡΡΠ΄Π° ΡΠΎΡΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ Π΄Π»Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ Π² ΠΈΠ·ΠΌΠ΅ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»ΡΡ
ΡΠΈΡΡΠ΅ΠΌ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ.ΠΠ° ΠΎΡΠ½ΠΎΠ²Π΅ Π°Π½Π°Π»ΠΈΠ·Π° ΠΎΡΠΎΠ±Π΅Π½Π½ΠΎΡΡΠ΅ΠΉ ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»ΡΠ½ΡΡ
Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΡΡΠΈΠΊ ΠΎΠ΄Π½ΠΎΡΠ»Π΅ΠΌΠ΅Π½ΡΠ½ΡΡ
ΡΠΎΡΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ Π½Π° Π±Π°Π·Π΅ ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ² Ρ ΡΠΎΠ±ΡΡΠ²Π΅Π½Π½ΠΎΠΉ ΡΠΎΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡΡΡ ΠΈ ΡΡΠ΅Π±ΠΎΠ²Π°Π½ΠΈΠΉ ΠΊ ΠΈΡ
ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠΈ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½ ΠΏΡΠΈΠ±ΠΎΡΠ½ΡΠΉ ΡΡΠ΄ ΡΠΎΡΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ Π΄Π»Ρ ΠΏΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΡ Π² ΠΈΠ·ΠΌΠ΅ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»ΡΡ
ΡΠΈΡΡΠ΅ΠΌ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠΉ Π΄ΠΈΠ°Π³Π½ΠΎΡΡΠΈΠΊΠΈ. ΠΠΎΠΊΠ°Π·Π°Π½Π° Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ ΠΏΠΎΡΡΡΠΎΠ΅Π½ΠΈΡ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΡ
ΠΈΠ·ΠΌΠ΅ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΏΡΠ΅ΠΎΠ±ΡΠ°Π·ΠΎΠ²Π°ΡΠ΅Π»Π΅ΠΉ Π΄Π»Ρ ΠΌΠ½ΠΎΠ³ΠΎΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠΈΠ³Π½Π°Π»ΠΎΠ²
ΠΠ°ΡΡΠ΄ΠΎΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΡΠΉ ΠΌΠ΅ΡΠΎΠ΄ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΎΠ½Π½ΡΡ ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ²
Surface charge can be used as an information parameter about the change in the state of the material under the action of mechanical stresses. The aim of the work was to develop methods for studying deformation processes in metallic and polymeric materials using a charge-sensitive method.Experimental studies of deformation processes under tensile, compressive and impact loads were carried out on samples of various materials: aluminum alloy of AMg2 grade, steel of grade 08PS, high-pressure polyethylene of grade 12203-250 and samples of composite materials based on it, F4 polytetrafluoroethylene. As a research method, the analysis of changes in the relative values of the surface electron work function in the case of metals and the surface electrostatic potential in the case of polymers and composite materials is used. A scanning modification of a charge-sensitive probe is used as a measuring instrument.The results of experimental studies of materials in a stress-strain state demonstrate the high efficiency of the proposed method. The research methodology makes it possible to detect local changes in the surface potential of the material in the area of deformations, which are not detected on a macroscopic scale using standard methods. The results obtained can serve as a basis for the development of new methods and techniques for studying the mechanical properties of both metals and dielectric materials.Β Π ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΈΠ½ΡΠΎΡΠΌΠ°ΡΠΈΠΎΠ½Π½ΠΎΠ³ΠΎ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠ° ΠΎΠ± ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠΈ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° ΠΏΠΎΠ΄ Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅ΠΌ ΠΌΠ΅Ρ
Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΡ
Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΡΠΉ ΡΠ»Π΅ΠΊΡΡΠΎΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π» (Π·Π°ΡΡΠ΄). Π¦Π΅Π»ΡΡ ΡΠ°Π±ΠΎΡΡ ΡΠ²Π»ΡΠ»Π°ΡΡ ΠΎΡΡΠ°Π±ΠΎΡΠΊΠ° ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΎΠ½Π½ΡΡ
ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² Π² ΠΌΠ΅ΡΠ°Π»Π»ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°Ρ
Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ Π·Π°ΡΡΠ΄ΠΎΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°.ΠΡΠΎΠ²Π΅Π΄Π΅Π½Ρ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΎΠ½Π½ΡΡ
ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ² ΠΏΡΠΈ ΡΠ°ΡΡΡΠ³ΠΈΠ²Π°ΡΡΠΈΡ
, ΡΠΆΠΈΠΌΠ°ΡΡΠΈΡ
ΠΈ ΡΠ΄Π°ΡΠ½ΡΡ
Π½Π°Π³ΡΡΠ·ΠΊΠ°Ρ
Π½Π° ΠΎΠ±ΡΠ°Π·ΡΠ°Ρ
ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ²: Π°Π»ΡΠΌΠΈΠ½ΠΈΠ΅Π²ΡΠΉ ΡΠΏΠ»Π°Π² ΠΌΠ°ΡΠΊΠΈ ΠΠΠ³2, ΡΡΠ°Π»Ρ ΠΌΠ°ΡΠΊΠΈ 08ΠΠ‘, ΠΏΠΎΠ»ΠΈΡΡΠΈΠ»Π΅Π½ Π²ΡΡΠΎΠΊΠΎΠ³ΠΎ Π΄Π°Π²Π»Π΅Π½ΠΈΡ ΠΌΠ°ΡΠΊΠΈ 12203-250 ΠΈ ΠΎΠ±ΡΠ°Π·ΡΡ ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡΠΈΠΎΠ½Π½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² Π½Π° Π΅Π³ΠΎ ΠΎΡΠ½ΠΎΠ²Π΅, ΡΡΠΎΡΠΎΠΏΠ»Π°ΡΡ-4. Π ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΌΠ΅ΡΠΎΠ΄Π° ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π»ΡΡ Π°Π½Π°Π»ΠΈΠ· ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠΉ ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
Π·Π½Π°ΡΠ΅Π½ΠΈΠΉ ΡΠ°Π±ΠΎΡΡ Π²ΡΡ
ΠΎΠ΄Π° ΡΠ»Π΅ΠΊΡΡΠΎΠ½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ Π² ΡΠ»ΡΡΠ°Π΅ ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ² ΠΈ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΠΎΠ³ΠΎ ΡΠ»Π΅ΠΊΡΡΠΎΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»Π° Π² ΡΠ»ΡΡΠ°Π΅ ΠΌΠ°ΡΡΠΈΡΠ½ΡΡ
ΠΈ ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡΠΈΠΎΠ½Π½ΡΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ². Π ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΡΡΠ΅Π΄ΡΡΠ² ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π»Π°ΡΡ ΡΠΊΠ°Π½ΠΈΡΡΡΡΠ°Ρ ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΡ Π·Π°ΡΡΠ΄ΠΎΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΠ³ΠΎ Π·ΠΎΠ½Π΄Π°.Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² Π² Π½Π°ΠΏΡΡΠΆΡΠ½Π½ΠΎ-Π΄Π΅ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΌ ΡΠΎΡΡΠΎΡΠ½ΠΈΠΈ Π΄Π΅ΠΌΠΎΠ½ΡΡΡΠΈΡΡΡΡ Π²ΡΡΠΎΠΊΡΡ ΡΡΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΠΎΠ³ΠΎ ΠΌΠ΅ΡΠΎΠ΄Π°. ΠΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΎΠ±Π½Π°ΡΡΠΆΠΈΠ²Π°ΡΡ Π»ΠΎΠΊΠ°Π»ΡΠ½ΡΠ΅ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»Π° ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π° Π² ΠΎΠ±Π»Π°ΡΡΠΈ Π΄Π΅ΠΉΡΡΠ²ΠΈΡ Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΉ, ΠΊΠΎΡΠΎΡΡΠ΅ Π½Π΅ ΠΎΠ±Π½Π°ΡΡΠΆΠΈΠ²Π°ΡΡΡΡ Π² ΠΌΠ°ΠΊΡΠΎΡΠΊΠΎΠΏΠΈΡΠ΅ΡΠΊΠΎΠΌ ΠΌΠ°ΡΡΡΠ°Π±Π΅ Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΡΡΠ°Π½Π΄Π°ΡΡΠ½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ². ΠΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΠΌΠΎΠ³ΡΡ ΡΠ»ΡΠΆΠΈΡΡ Π±Π°Π·ΠΎΠΉ Π΄Π»Ρ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ Π½ΠΎΠ²ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΈ ΠΌΠ΅ΡΠΎΠ΄ΠΈΠΊ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ΅Ρ
Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΊΠ°ΠΊ ΠΌΠ΅ΡΠ°Π»Π»ΠΎΠ², ΡΠ°ΠΊ ΠΈ Π΄ΠΈΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ²
ΠΠΠΠΠΠ Π ΠΠ‘ΠΠ ΠΠΠΠΠΠΠΠ― ΠΠΠΠΠ’Π ΠΠ€ΠΠΠΠ§ΠΠ‘ΠΠΠ₯ Π Π€ΠΠ’ΠΠΠΠΠΠ’Π ΠΠ§ΠΠ‘ΠΠΠ₯ Π‘ΠΠΠΠ‘Π’Π ΠΠΠΠΠΠΠΠΠΠΠΠ’ΠΠ«Π₯ ΠΠΠΠΠΠΠ ΠΠ ΠΠΠΠΠ€ΠΠ¦ΠΠ ΠΠΠΠΠΠ«Π ΠΠΠΠΠΠ ΠΠΠΠ¬ΠΠΠΠ
At present for analysis of the homogeneity of materials properties are becoming widely used various modifications of a scanning Kelvin probe. These methods allow mapping the spatial distribution of the electrostatic potential. Analysis of the electropotential profile is not sufficient to describe any specific physical parameters of the polymer nanocomposites. Therefore, we use an external energy impact, such as light. Purpose of paper is the modification of the Kelvin scanning probe and the conduct of experimental studies of the spatial distribution and response of the electrostatic potential of the actual polymer nanocomposites to the optical probing.Carried out the investigations on experimental Low density polyethylene composites. Carbon nanomaterials and nanoparticles of silicon dioxide or aluminum as fillers are used. As a result, maps of the spatial distribution of the electrostatic potential relative values and the surface photovoltage. Statistical analysis of the electrophysical and photoelectric properties homogeneity, depending on the component composition of the composites carried out. In addition, with reference to matrix polymers, the Kelvin scanning probe, in combination with the optical probing, made it possible to detect a piezoelectric effect. The latter, can used as a basis for the development of new methods for studying the mechanical properties of matrix polymers.Π Π½Π°ΡΡΠΎΡΡΠ΅Π΅ Π²ΡΠ΅ΠΌΡ Π΄Π»Ρ Π°Π½Π°Π»ΠΈΠ·Π° ΠΎΠ΄Π½ΠΎΡΠΎΠ΄Π½ΠΎΡΡΠΈ ΡΠ²ΠΎΠΉΡΡΠ² ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² ΡΠΈΡΠΎΠΊΠΎΠ΅ ΡΠ°ΡΠΏΡΠΎΡΡΡΠ°Π½Π΅Π½ΠΈΠ΅ ΠΏΠΎΠ»ΡΡΠ°ΡΡ ΡΠ°Π·Π»ΠΈΡΠ½ΡΠ΅ ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΡΠΊΠ°Π½ΠΈΡΡΡΡΠ΅Π³ΠΎ Π·ΠΎΠ½Π΄Π° ΠΠ΅Π»ΡΠ²ΠΈΠ½Π°, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡΠΈΠ΅ ΠΊΠ°ΡΡΠΈΡΠΎΠ²Π°ΡΡ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π΅Π½Π½ΠΎΠ΅ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ ΡΠ»Π΅ΠΊΡΡΠΎΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ. Π ΡΠ»ΡΡΠ°Π΅ Π΄ΠΈΡΠ»Π΅ΠΊΡΡΠΈΠΊΠΎΠ² Π°Π½Π°Π»ΠΈΠ· ΠΎΠ΄Π½ΠΎΡΠΎΠ΄Π½ΠΎΡΡΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΏΡΠΎΡΠΈΠ»Ρ Π½Π΅ ΡΠ²Π»ΡΠ΅ΡΡΡ Π΄ΠΎΡΡΠ°ΡΠΎΡΠ½ΡΠΌ Π΄Π»Ρ ΠΎΠΏΠΈΡΠ°Π½ΠΈΡ ΠΊΠ°ΠΊΠΈΡ
-Π»ΠΈΠ±ΠΎ ΠΊΠΎΠ½ΠΊΡΠ΅ΡΠ½ΡΡ
ΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ². ΠΠΎΡΡΠΎΠΌΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ Π²Π½Π΅ΡΠ½Π΅Π΅ ΡΠ½Π΅ΡΠ³Π΅ΡΠΈΡΠ΅ΡΠΊΠΎΠ΅ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅, Π² ΡΠ°ΡΡΠ½ΠΎΡΡΠΈ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΎΠ΅ ΠΈΠ·Π»ΡΡΠ΅Π½ΠΈΠ΅. Π¦Π΅Π»ΡΡ Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΡ ΡΠ²Π»ΡΠ»ΠΈΡΡ ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΡ ΡΠΊΠ°Π½ΠΈΡΡΡΡΠ΅Π³ΠΎ Π·ΠΎΠ½Π΄Π° ΠΠ΅Π»ΡΠ²ΠΈΠ½Π° ΠΈ ΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈΠ΅ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΡ
ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΠΉ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ»Π΅ΠΊΡΡΠΎΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»Π° Π°ΠΊΡΡΠ°Π»ΡΠ½ΡΡ
ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡΠ½ΡΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠΎΠ² ΠΈ Π΅Π³ΠΎ ΠΎΡΠΊΠ»ΠΈΠΊΠ° Π½Π° Π·ΠΎΠ½Π΄ΠΈΡΡΡΡΠ΅Π΅ Π²ΠΎΠ·Π΄Π΅ΠΉΡΡΠ²ΠΈΠ΅ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΈΠΌ ΠΈΠ·Π»ΡΡΠ΅Π½ΠΈΠ΅.ΠΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π²ΡΠΏΠΎΠ»Π½Π΅Π½Ρ Π½Π° ΠΎΠΏΡΡΠ½ΡΡ
ΠΎΠ±ΡΠ°Π·ΡΠ°Ρ
ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡΠΎΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΏΠΎΠ»ΠΈΡΡΠΈΠ»Π΅Π½Π° Π²ΡΡΠΎΠΊΠΎΠ³ΠΎ Π΄Π°Π²Π»Π΅Π½ΠΈΡ, Π½Π°ΠΏΠΎΠ»Π½Π΅Π½Π½ΡΡ
ΡΠ³Π»Π΅ΡΠΎΠ΄Π½ΡΠΌ Π½Π°Π½ΠΎΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠΌ ΠΈ Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡΠ°ΠΌΠΈ Π΄ΠΈΠΎΠΊΡΠΈΠ΄Π° ΠΊΡΠ΅ΠΌΠ½ΠΈΡ ΠΈΠ»ΠΈ Π°Π»ΡΠΌΠΈΠ½ΠΈΡ. Π ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠ΅ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ ΠΊΠ°ΡΡΡ ΠΏΡΠΎΡΡΡΠ°Π½ΡΡΠ²Π΅Π½Π½ΠΎΠ³ΠΎ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΠΎΡΠ½ΠΎΡΠΈΡΠ΅Π»ΡΠ½ΡΡ
Π·Π½Π°ΡΠ΅Π½ΠΈΠΉ ΡΠ»Π΅ΠΊΡΡΠΎΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΏΠΎΡΠ΅Π½ΡΠΈΠ°Π»Π° ΠΈ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΠΎΠΉ ΡΠΎΡΠΎ-ΠΠΠ‘. ΠΡΠΎΠ²Π΅Π΄Π΅Π½ ΡΡΠ°ΡΠΈΡΡΠΈΡΠ΅ΡΠΊΠΈΠΉ Π°Π½Π°Π»ΠΈΠ· ΠΎΠ΄Π½ΠΎΡΠΎΠ΄Π½ΠΎΡΡΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΈ ΡΠΎΡΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΊΠΎΠΌΠΏΠΎΠ·ΠΈΡΠΎΠ² Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡ ΠΈΡ
ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½ΡΠ½ΠΎΠ³ΠΎ ΡΠΎΡΡΠ°Π²Π°. Π’Π°ΠΊΠΆΠ΅ ΠΏΡΠΈΠΌΠ΅Π½ΠΈΡΠ΅Π»ΡΠ½ΠΎ ΠΊ ΠΌΠ°ΡΡΠΈΡΠ½ΡΠΌ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ°ΠΌ ΡΠΊΠ°Π½ΠΈΡΡΡΡΠΈΠΉ Π·ΠΎΠ½Π΄ ΠΠ΅Π»ΡΠ²ΠΈΠ½Π° Π² ΡΠΎΠ²ΠΎΠΊΡΠΏΠ½ΠΎΡΡΠΈ Ρ ΠΎΠΏΡΠΈΡΠ΅ΡΠΊΠΈΠΌ Π·ΠΎΠ½Π΄ΠΈΡΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΠΏΠΎΠ·Π²ΠΎΠ»ΠΈΠ» ΠΎΠ±Π½Π°ΡΡΠΆΠΈΡΡ ΠΏΡΠ΅Π·ΠΎΡΠ»Π΅ΠΊΡΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΡΡΠ΅ΠΊΡ. ΠΠΎΡΠ»Π΅Π΄Π½Π΅Π΅ ΠΌΠΎΠΆΠ΅Ρ Π±ΡΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΎ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΎΡΠ½ΠΎΠ²Ρ Π΄Π»Ρ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠΈ Π½ΠΎΠ²ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠ² ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ ΠΌΠ΅Ρ
Π°Π½ΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ²ΠΎΠΉΡΡΠ² ΠΌΠ°ΡΡΠΈΡΠ½ΡΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠΎΠ²
ΠΡΠΈΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΠΌΠ΅ΡΠΎΠ΄Π° Π΄ΠΈΡΡΠ°ΠΊΡΠΈΠΈ ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΠ²ΡΠΊΠΈΡ Π»ΡΡΠ΅ΠΉ Π΄Π»Ρ ΠΈΠ·ΡΡΠ΅Π½ΠΈΡ Π½Π°ΠΏΡΡΠΆΡΠ½Π½ΠΎΠ³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ ΠΏΠΎΠ²Π΅ΡΡ Π½ΠΎΡΡΠΈ ΠΌΠ΅ΡΠ°Π»Π»Π° ΠΏΡΠΈ ΡΡΠ°ΡΠΈΡΠ΅ΡΠΊΠΎΠΌ ΠΈ ΡΠ΄Π°ΡΠ½ΠΎΠΌ Π΄Π΅ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΠΈ
Study of the stress field in a plastic imprint and around it is of great practical importance. Processes similar to indentation are used in shot blasting to harden the surface of materials and generate compressive stresses in the surface layers. The purpose of this work was to study the change in the stress-strain state in the area of the plastic imprint with increasing load, in the transition from small to large deformations, as well as to study the change in stress at different strain rates.X-ray diffraction method was used to study the field of residual stresses generated on the surface of a plastically deformed region β in the zone of an imprint formed when a spherical indenter is pressed into the metal. An analysis of the change in the stress distribution with increasing load in the range of plastic imprint depths of 10β60 Β΅m for steels and aluminum was made. Influence of the loading rate on the change in the values of residual stresses under normal contact of colliding bodies was studied. It is shown that the stress distribution has a complex character with areas of compression and tension of the metal and is determined by the ratio of the indentation depth to its diameter.The obtained experimental data make it possible to determine the choice of optimal modes of shot blasting, including for increasing the endurance limit of products.ΠΠ·ΡΡΠ΅Π½ΠΈΠ΅ ΠΏΠΎΠ»Ρ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ Π² ΠΏΠ»Π°ΡΡΠΈΡΠ΅ΡΠΊΠΎΠΌ ΠΎΡΠΏΠ΅ΡΠ°ΡΠΊΠ΅ ΠΈ Π²ΠΎΠΊΡΡΠ³ Π½Π΅Π³ΠΎ ΠΈΠΌΠ΅Π΅Ρ Π±ΠΎΠ»ΡΡΠΎΠ΅ ΠΏΡΠΈΠΊΠ»Π°Π΄Π½ΠΎΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΠ΅. ΠΡΠΎΡΠ΅ΡΡΡ, ΠΏΠΎΠ΄ΠΎΠ±Π½ΡΠ΅ Π²Π΄Π°Π²Π»ΠΈΠ²Π°Π½ΠΈΡ ΠΈΠ½Π΄Π΅Π½ΡΠΎΡΠ°, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΡΡΡΡ ΠΏΡΠΈ Π΄ΡΠΎΠ±Π΅ΡΡΡΡΠΉΠ½ΠΎΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠ΅ Π΄Π»Ρ ΡΠΏΡΠΎΡΠ½Π΅Π½ΠΈΡ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»ΠΎΠ² ΠΈ Π³Π΅Π½Π΅ΡΠ°ΡΠΈΠΈ ΡΠΆΠΈΠΌΠ°ΡΡΠΈΡ
Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ Π² ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΡΡ
ΡΠ»ΠΎΡΡ
. Π¦Π΅Π»ΡΡ ΡΠ°Π±ΠΎΡΡ ΡΠ²Π»ΡΠ»ΠΎΡΡ ΠΈΠ·ΡΡΠ΅Π½ΠΈΠ΅ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ Π½Π°ΠΏΡΡΠΆΡΠ½Π½ΠΎ-Π΄Π΅ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΡΠΎΡΡΠΎΡΠ½ΠΈΡ Π² ΠΎΠ±Π»Π°ΡΡΠΈ ΠΏΠ»Π°ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΡΠΏΠ΅ΡΠ°ΡΠΊΠ° ΠΏΡΠΈ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠΈ Π½Π°Π³ΡΡΠ·ΠΊΠΈ, ΠΏΡΠΈ ΠΏΠ΅ΡΠ΅Ρ
ΠΎΠ΄Π΅ ΠΎΡ ΠΌΠ°Π»ΡΡ
Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΉ ΠΊ Π±ΠΎΠ»ΡΡΠΈΠΌ, Π° ΡΠ°ΠΊΠΆΠ΅ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΡ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ ΠΏΡΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΠΊΠΎΡΠΎΡΡΡΡ
Π΄Π΅ΡΠΎΡΠΌΠ°ΡΠΈΠΈ.ΠΠ΅ΡΠΎΠ΄ΠΎΠΌ Π΄ΠΈΡΡΠ°ΠΊΡΠΈΠΈ ΡΠ΅Π½ΡΠ³Π΅Π½ΠΎΠ²ΡΠΊΠΈΡ
Π»ΡΡΠ΅ΠΉ ΠΈΠ·ΡΡΠ΅Π½ΠΎ ΠΏΠΎΠ»Π΅ ΠΎΡΡΠ°ΡΠΎΡΠ½ΡΡ
Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ, ΡΠ³Π΅Π½Π΅ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ ΠΏΠ»Π°ΡΡΠΈΡΠ΅ΡΠΊΠΈ Π΄Π΅ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠΉ ΠΎΠ±Π»Π°ΡΡΠΈ β Π² Π·ΠΎΠ½Π΅ ΠΎΡΠΏΠ΅ΡΠ°ΡΠΊΠ°, ΠΎΠ±ΡΠ°Π·ΡΡΡΠ΅Π³ΠΎΡΡ ΠΏΡΠΈ Π²Π΄Π°Π²Π»ΠΈΠ²Π°Π½ΠΈΠΈ Π² ΠΌΠ΅ΡΠ°Π»Π» ΡΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΈΠ½Π΄Π΅Π½ΡΠΎΡΠ°. ΠΡΠΎΠ°Π½Π°Π»ΠΈΠ·ΠΈΡΠΎΠ²Π°Π½ΠΎ ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ ΠΏΡΠΈ ΡΠ²Π΅Π»ΠΈΡΠ΅Π½ΠΈΠΈ Π½Π°Π³ΡΡΠ·ΠΊΠΈ Π² Π΄ΠΈΠ°ΠΏΠ°Π·ΠΎΠ½Π΅ Π³Π»ΡΠ±ΠΈΠ½ ΠΏΠ»Π°ΡΡΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΎΡΠΏΠ΅ΡΠ°ΡΠΊΠ° 10β60 ΠΌΠΊΠΌ Π΄Π»Ρ ΡΡΠ°Π»Π΅ΠΉ ΠΈ Π°Π»ΡΠΌΠΈΠ½ΠΈΡ. ΠΠ·ΡΡΠ΅Π½ΠΎ Π²Π»ΠΈΡΠ½ΠΈΠ΅ ΡΠΊΠΎΡΠΎΡΡΠΈ Π½Π°Π³ΡΡΠΆΠ΅Π½ΠΈΡ, ΠΏΡΠΈ Π½ΠΎΡΠΌΠ°Π»ΡΠ½ΠΎΠΌ ΠΊΠΎΠ½ΡΠ°ΠΊΡΠ΅ ΡΠΎΡΠ΄Π°ΡΡΡΡΠΈΡ
ΡΡ ΡΠ΅Π», Π½Π° ΠΈΠ·ΠΌΠ΅Π½Π΅Π½ΠΈΠ΅ Π·Π½Π°ΡΠ΅Π½ΠΈΠΉ ΠΎΡΡΠ°ΡΠΎΡΠ½ΡΡ
Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΠΉ ΠΈΠΌΠ΅Π΅Ρ ΡΠ»ΠΎΠΆΠ½ΡΠΉ Ρ
Π°ΡΠ°ΠΊΡΠ΅Ρ Ρ ΠΎΠ±Π»Π°ΡΡΡΠΌΠΈ ΡΠΆΠ°ΡΠΈΡ ΠΈ ΡΠ°ΡΡΡΠΆΠ΅Π½ΠΈΡ ΠΌΠ΅ΡΠ°Π»Π»Π° ΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΠ΅ΡΡΡ ΡΠΎΠΎΡΠ½ΠΎΡΠ΅Π½ΠΈΠ΅ΠΌ Π³Π»ΡΠ±ΠΈΠ½Ρ ΠΎΡΠΏΠ΅ΡΠ°ΡΠΊΠ° ΠΊ Π΅Π³ΠΎ Π΄ΠΈΠ°ΠΌΠ΅ΡΡΡ.ΠΠΎΠ»ΡΡΠ΅Π½Π½ΡΠ΅ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΠ΅ Π΄Π°Π½Π½ΡΠ΅ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡΡ ΠΎΠΏΡΠ΅Π΄Π΅Π»ΡΡΡ Π²ΡΠ±ΠΎΡ ΠΎΠΏΡΠΈΠΌΠ°Π»ΡΠ½ΡΡ
ΡΠ΅ΠΆΠΈΠΌΠΎΠ² Π΄ΡΠΎΠ±Π΅ΡΡΡΡΠΉΠ½ΠΎΠΉ ΠΎΠ±ΡΠ°Π±ΠΎΡΠΊΠΈ, Π² ΡΠΎΠΌ ΡΠΈΡΠ»Π΅ Π΄Π»Ρ ΠΏΠΎΠ²ΡΡΠ΅Π½ΠΈΡ ΠΏΡΠ΅Π΄Π΅Π»Π° Π²ΡΠ½ΠΎΡΠ»ΠΈΠ²ΠΎΡΡΠΈ ΠΈΠ·Π΄Π΅Π»ΠΈΠΉ
ΠΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ ΡΠΈΠΏΠ° ΠΈ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΡΠ°ΡΡΠ²ΠΎΡΠΎΠ² ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΡΠΎΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ Π°Π½Π°Π»ΠΈΠ·Π° ΠΏΠΎΡΠ΅Π½ΡΠΈΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΡ ΠΊΡΠΈΠ²ΡΡ
The paper shows the results of experimental investigation of non-stable regimes of excitation of electrode system of conductivity measuring cell. The analysis of experimental data based on existing theory of electrode processes has been made. The interpretation of non-conventional results concerning the dependence of conductivity measuring cell current on voltage excitation has been given. It has been shown that with certain parameters of excitation potentiodynamic curves significantly differ for various types of solutions (in particular for acid and alkali media) that makes it possible to use the regime of analysis of these curves for determination of type and concentration of a solution. Operational diagram of the device using the detected effect is given in the paper.Π Π°ΡΡΠΌΠΎΡΡΠ΅Π½Ρ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΡ ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π½ΠΈΡ Π½Π΅ΡΡΡΠ°Π½ΠΎΠ²ΠΈΠ²ΡΠΈΡ
ΡΡ ΡΠ΅ΠΆΠΈΠΌΠΎΠ² Π²ΠΎΠ·Π±ΡΠΆΠ΄Π΅Π½ΠΈΡ ΡΠ»Π΅ΠΊΡΡΠΎΠ΄Π½ΠΎΠΉ ΡΠΈΡΡΠ΅ΠΌΡ ΠΊΠΎΠ½Π΄ΡΠΊΡΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΡΠ΅ΠΉΠΊΠΈ. ΠΡΠΈΠ²Π΅Π΄Π΅Π½ Π°Π½Π°Π»ΠΈΠ· ΡΠΊΡΠΏΠ΅ΡΠΈΠΌΠ΅Π½ΡΠ°Π»ΡΠ½ΡΡ
Π΄Π°Π½Π½ΡΡ
Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΡΡΠ΅ΡΡΠ²ΡΡΡΠ΅ΠΉ ΡΠ΅ΠΎΡΠΈΠΈ ΡΠ»Π΅ΠΊΡΡΠΎΠ΄Π½ΡΡ
ΠΏΡΠΎΡΠ΅ΡΡΠΎΠ². ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π° ΡΡΠ°ΠΊΡΠΎΠ²ΠΊΠ° ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ², ΠΎΡΠΊΠ»ΠΎΠ½ΡΡΡΠΈΡ
ΡΡ ΠΎΡ ΠΊΠ°Π½ΠΎΠ½ΠΈΡΠ΅ΡΠΊΠΎΠΉ Π·Π°ΠΊΠΎΠ½ΠΎΠΌΠ΅ΡΠ½ΠΎΡΡΠΈ Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΡΠΎΠΊΠ° ΠΊΠΎΠ½Π΄ΡΠΊΡΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΎΠΉ ΡΡΠ΅ΠΉΠΊΠΈ ΠΎΡ Π½Π°ΠΏΡΡΠΆΠ΅Π½ΠΈΡ Π²ΠΎΠ·Π±ΡΠΆΠ΄Π΅Π½ΠΈΡ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΠΏΡΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½Π½ΡΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠ°Ρ
Π²ΠΎΠ·Π±ΡΠΆΠ΄Π΅Π½ΠΈΡ ΠΏΠΎΡΠ΅Π½ΡΠΈΠΎΠ΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΠΊΡΠΈΠ²ΡΠ΅ ΡΡΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎ ΡΠ°Π·Π»ΠΈΡΠ°ΡΡΡΡ Π΄Π»Ρ ΡΠ°ΡΡΠ²ΠΎΡΠΎΠ² ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
ΡΠΈΠΏΠΎΠ² (Π² ΡΠ°ΡΡΠ½ΠΎΡΡΠΈ, Π΄Π»Ρ ΠΊΠΈΡΠ»ΠΎΡΠ½ΡΡ
ΠΈ ΡΠ΅Π»ΠΎΡΠ½ΡΡ
ΡΡΠ΅Π΄), ΡΡΠΎ ΠΏΠΎΠ·Π²ΠΎΠ»ΡΠ΅Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°ΡΡ ΡΠ΅ΠΆΠΈΠΌ Π°Π½Π°Π»ΠΈΠ·Π° Π΄Π°Π½Π½ΡΡ
ΠΊΡΠΈΠ²ΡΡ
Π΄Π»Ρ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠΈΠΏΠ° ΠΈ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΡΠ°ΡΡΠ²ΠΎΡΠ°. ΠΡΠΈΠ²Π΅Π΄Π΅Π½Π° ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½Π°Ρ ΡΡ
Π΅ΠΌΠ° ΡΡΡΡΠΎΠΉΡΡΠ²Π°, ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΡΡΠ΅Π³ΠΎ ΠΎΠ±Π½Π°ΡΡΠΆΠ΅Π½Π½ΡΠΉ ΡΡΡΠ΅ΠΊΡ
Π ΠΠΠΠ Π‘ΠΠΠΠΠΠΠΠΠ ΠΠΠΠ ΠΠΠΠΠ ΠΠΠΠ¬ΠΠΠΠ ΠΠΠ― ΠΠΠΠ’Π ΠΠΠ― ΠΠΠΠΠ’Π ΠΠ€ΠΠΠΠ§ΠΠ‘ΠΠΠ₯ ΠΠΠ ΠΠΠΠ’Π ΠΠ ΠΠΠΠ£ΠΠ ΠΠΠΠΠΠΠΠΠΠ«Π₯ ΠΠΠΠ‘Π’ΠΠ
Improvement of repeatability and reliability of semiconductor wafers properties monitoring with a probe charge-sensitive methods is achieved by realization of Kelvin probe self-calibration mode using a waferβs surface itself as a reference sample. Results of wafer surface scanning are visualized in the form of parameter distribution color map. A method of measurements based on Kelvin probe self-calibration mode is realized in a measurement installation for non-destructive non-contact monitoring of semiconductor wafer defects. Method can be used to define defectsβ physical properties including minority carrier diffusion length and lifetime, trapped charge density and energy distribution etc.ΠΠΎΠ²ΡΡΠ΅Π½ΠΈΠ΅ Π²ΠΎΡΠΏΡΠΎΠΈΠ·Π²ΠΎΠ΄ΠΈΠΌΠΎΡΡΠΈ ΠΈ Π΄ΠΎΡΡΠΎΠ²Π΅ΡΠ½ΠΎΡΡΠΈ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ ΡΠ»Π΅ΠΊΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ² ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ²ΡΡ
ΠΏΠ»Π°ΡΡΠΈΠ½ Π·ΠΎΠ½Π΄ΠΎΠ²ΡΠΌΠΈ Π·Π°ΡΡΠ΄ΠΎΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°Π΅ΡΡΡ Π² ΡΠ°Π±ΠΎΡΠ΅ Π·Π° ΡΡΠ΅Ρ ΡΠ΅Π°Π»ΠΈΠ·Π°ΡΠΈΠΈ ΡΠ΅ΠΆΠΈΠΌΠ° ΡΠ°ΠΌΠΎΠΊΠ°Π»ΠΈΠ±ΡΠΎΠ²ΠΊΠΈ Π·ΠΎΠ½Π΄Π° ΠΠ΅Π»ΡΠ²ΠΈΠ½Π°, ΠΏΡΠΈ ΠΊΠΎΡΠΎΡΠΎΠΌ Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΎΠ±ΡΠ°Π·ΡΠ° Π΄Π»Ρ ΠΊΠ°Π»ΠΈΠ±ΡΠΎΠ²ΠΊΠΈ ΠΈΡΠΏΠΎΠ»ΡΠ·ΡΠ΅ΡΡΡ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΡ ΡΠ°ΠΌΠΎΠΉ ΠΊΠΎΠ½ΡΡΠΎΠ»ΠΈΡΡΠ΅ΠΌΠΎΠΉ ΠΏΠ»Π°ΡΡΠΈΠ½Ρ. ΠΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΡ Π²ΡΠΏΠΎΠ»Π½ΡΡΡΡΡ Π² ΡΠΊΠ°Π½ΠΈΡΡΡΡΠ΅ΠΌ ΡΠ΅ΠΆΠΈΠΌΠ΅ Ρ Π²ΠΈΠ·ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΠ΅ΠΉ ΡΠ΅Π·ΡΠ»ΡΡΠ°ΡΠΎΠ² ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ Π² Π²ΠΈΠ΄Π΅ ΡΠ²Π΅ΡΠ½ΠΎΠΉ ΠΊΠ°ΡΡΡ ΡΠ°ΡΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΠΊΠΎΠ½ΡΡΠΎΠ»ΠΈΡΡΠ΅ΠΌΠΎΠ³ΠΎ ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠ°. ΠΠ΅ΡΠΎΠ΄ΠΈΠΊΠ° ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ, ΠΎΡΠ½ΠΎΠ²Π°Π½Π½Π°Ρ Π½Π° ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠΈ ΡΠ΅ΠΆΠΈΠΌΠ° ΡΠ°ΠΌΠΎΠΊΠ°Π»ΠΈΠ±ΡΠΎΠ²ΠΊΠΈ Π·ΠΎΠ½Π΄Π° ΠΠ΅Π»ΡΠ²ΠΈΠ½Π°, ΡΠ΅Π°Π»ΠΈΠ·ΠΎΠ²Π°Π½Π° Π² ΠΊΠΎΠ½ΡΡΡΡΠΊΡΠΈΠΈ ΠΈΠ·ΠΌΠ΅ΡΠΈΡΠ΅Π»ΡΠ½ΠΎΠΉ ΡΡΡΠ°Π½ΠΎΠ²ΠΊΠΈ, ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°ΡΡΠ΅ΠΉ Π±Π΅ΡΠΊΠΎΠ½ΡΠ°ΠΊΡΠ½ΡΠΉ Π½Π΅ΡΠ°Π·ΡΡΡΠ°ΡΡΠΈΠΉ ΠΊΠΎΠ½ΡΡΠΎΠ»Ρ ΠΈ Π²ΠΈΠ·ΡΠ°Π»ΠΈΠ·Π°ΡΠΈΡ Π΄Π΅ΡΠ΅ΠΊΡΠΎΠ² ΠΏΠΎΠ»ΡΠΏΡΠΎΠ²ΠΎΠ΄Π½ΠΈΠΊΠΎΠ²ΡΡ
ΠΏΠ»Π°ΡΡΠΈΠ½ ΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ ΠΈΡ
ΠΎΡΠ½ΠΎΠ²Π½ΡΡ
ΡΠ»Π΅ΠΊΡΡΠΎΡΠΈΠ·ΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΏΠ°ΡΠ°ΠΌΠ΅ΡΡΠΎΠ², ΡΠ°ΠΊΠΈΡ
ΠΊΠ°ΠΊ Π΄Π»ΠΈΠ½Π° Π΄ΠΈΡΡΡΠ·ΠΈΠΈ ΠΈ Π²ΡΠ΅ΠΌΡ ΠΆΠΈΠ·Π½ΠΈ Π½Π΅ΡΠ°Π²Π½ΠΎΠ²Π΅ΡΠ½ΡΡ
Π½ΠΎΡΠΈΡΠ΅Π»Π΅ΠΉ Π·Π°ΡΡΠ΄Π°, ΠΏΠ»ΠΎΡΠ½ΠΎΡΡΡ ΠΈ ΡΠ½Π΅ΡΠ³Π΅ΡΠΈΡΠ΅ΡΠΊΠΈΠΉ ΡΠΏΠ΅ΠΊΡΡ Π·Π°ΡΡΠ΄Π° Π½Π° Π»ΠΎΠ²ΡΡΠΊΠ°Ρ
ΠΈ Π½Π΅ΠΊΠΎΡΠΎΡΡΡ
Π΄ΡΡΠ³ΠΈΡ
.