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2 121 660

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C1

(51)

IPC

(21) (22)

Application

96113661/28, 1996-06-26

(22)

Actual filing date

1996-06-26

(45)

Published

1998-11-10

(72)

Inventor

Dudkina N.G.Fedorov A.V.Usov V.V.

(73)

Holder

Volgogradskij Gosudarstvennyj Tekhnicheskij Universitet

METHOD OF DETERMINATION OF THICKNESS OF SURFACE LAYER HARDENED BY COLD WORKING Russian patent published in 1998 - IPC

Abstract RU 2121660 C1

FIELD: measurement technology. SUBSTANCE: invention consists in determination of dynamic hardness of hardened layer. Thickness of hardened layer is computed by velocity and diameter of shot. Jet of shots in process of shot-blasting is directed at angle of 90 deg with respect to worked surface through two holes made in shields rotating with equal rotation speed and displaced one relative to the other. EFFECT: manufacture of high operational characteristics of parts and structures. 1 dwg, 1 tbl

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RU 2 121 660 C1

Authors

Dudkina N.G.

Fedorov A.V.

Usov V.V.

Dates

1998-11-10—Published

1996-06-26—Filed

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