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(19)

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2 524 037

(13)

(51)

IPC

C21D9/50(2006-01-01)

B23K20/12(2006-01-01)

B23K28/00(2006-01-01)

(21) (22)

Application

2012155112/02, 2012-12-20

(24)

Start date

2012-12-20

(22)

Actual filing date

2012-12-20

(45)

Published

2014-07-27

(72)

Inventor

Bychkov Vladimir MikhajlovichMedvedev Aleksandr Jur'EvichNikiforov Roman ValentinovichGilimkhanov Vadim Ravilevich

(73)

Holder

Federal'Noe Gosudarstvennoe Bjudzhetnoe Obrazovatel'Noe Uchrezhdenie Vysshego Professional'Nogo Obrazovanija Gosudarstvennyj Aviatsionnyj Tekhnicheskij Universitet"Otkrytoe Aktsionernoe Obshchestvo Motorostroitel'Noe Proizvodstvennoe Ob"Edinenie"

ARGON-ARC PROCESSING OF WELDS PRODUCED BY LINEAR FRICTION WELDING Russian patent published in 2014 - IPC C21D9/50 B23K20/12 B23K28/00

Abstract RU 2524037 C1

FIELD: metallurgy.

SUBSTANCE: section of transition from weld to parent metal is heated by argon-arc processing at displacement of arc over weld surface after liner friction welding and removal of extruded flash. Specific heat flow rate and arc displacement rate are set in compliance with numerical simulation of temperature field in article by preset equation. Maximum temperature of weld heating is set such that fine-grain structure is preserved while minimum temperature is kept to remove residual welding strains. Heating depth is defined by blade and disc machining allowances. Argon-arc processing is made in turns on blade back.

EFFECT: efficient welding and machining.

3 cl, 2 dwg

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RU 2 524 037 C1

Authors

Bychkov Vladimir Mikhajlovich

Medvedev Aleksandr Jur'Evich

Nikiforov Roman Valentinovich

Gilimkhanov Vadim Ravilevich

Dates

2014-07-27—Published

2012-12-20—Filed