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2 042 942

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C1

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IPC

(21) (22)

Application

92002157/28, 1992-10-26

(22)

Actual filing date

1992-10-26

(45)

Published

1995-08-27

(72)

Inventor

Bryzgalo V.N.Kartashevich R.S.Tugengol'D A.K.

(73)

Holder

Maloe Vnedrencheskoe Nauchno-Proizvodstvennoe Predprijatie

ELECTROACOUSTIC HARDNESS GAUGE Russian patent published in 1995 - IPC

Abstract RU 2042942 C1

FIELD: inspection of materials. SUBSTANCE: electroacoustic hardness gauge has rod with indenter, piezoexciter and piezoreceiver mounted on rod and connected correspondingly to generator of oscillations and unit for processing and recording of signals. Unit is manufactured in the form of electron phase meter and computer which computes hardness of material with allowance for measured phase of signal. Indicators of testing results are connected across output of computer. EFFECT: improved authenticity of hardness measurements. 3 cl, 1 dwg

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RU 2 042 942 C1

Authors

Bryzgalo V.N.

Kartashevich R.S.

Tugengol'D A.K.

Dates

1995-08-27—Published

1992-10-26—Filed

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