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2 045 025

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C1

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IPC

(21) (22)

Application

5027856/28, 1992-02-17

(22)

Actual filing date

1992-02-17

(45)

Published

1995-09-27

(72)

Inventor

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

(73)

Holder

Maloe Vnedrencheskoe Nauchno-Proizvodstvennoe Predprijatie

METHOD OF AND DEVICE FOR ELECTROACOUSTIC INSPECTION OF MATERIAL HARDNESS Russian patent published in 1995 - IPC

Abstract RU 2045025 C1

FIELD: inspection of material hardness; inspection of machine parts. SUBSTANCE: material is subjected to action of indenter interacting with exciter of acoustic oscillations whose parameters are used to recognize material hardness. Device for implementing this method uses electronic logic circuit arrangement incorporating counters functioning also as distributors of indenter oscillations and rigidly coupled with magnetostrictor. EFFECT: improved design. 8 cl, 3 dwg

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RU 2 045 025 C1

Authors

Bryzgalo V.N.

Kartashevich R.S.

Tugengol'D A.K.

Dates

1995-09-27—Published

1992-02-17—Filed

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