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2 557 119

(13)

(51)

IPC

B22D29/00(2006-01-01)

(21) (22)

Application

2014109398/02, 2014-03-12

(24)

Start date

2014-03-12

(22)

Actual filing date

2014-03-12

(45)

Published

2015-07-20

(72)

Inventor

Kablov Evgenij NikolaevichFolomejkin Jurij Ivanovich

(73)

Holder

Federal'Noe Gosudarstvennoe Unitarnoe Predprijatie Nauchno-Issledovatel'Skij Institut Aviatsionnykh Materialov"

REMOVAL OF CERAMIC MATERIAL FROM PARTS CASTS Russian patent published in 2015 - IPC B22D29/00

Abstract RU 2557119 C1

FIELD: metallurgy.

SUBSTANCE: proposed process comprises processing of ceramic rod with solution of at least one surfactant with concentration in solution of at least 0.01%. Then, it is processed for at least 2 minutes by high-pressure fluid jets with cavitation effect. Fluid pressure pulsation is developed in said jet at minimum pressure of 10 MPa. Residues of ceramic material are removed by heated solution of at least one acid.

EFFECT: accelerated cast processing, higher surface quality.

6 cl, 9 ex

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RU 2 557 119 C1

Authors

Kablov Evgenij Nikolaevich

Folomejkin Jurij Ivanovich

Dates

2015-07-20—Published

2014-03-12—Filed