METHOD OF REMOVAL OF RESIDUAL STRESSES IN WELDED JOINTS OF CIRCULATING PIPE LINES OF ATOMIC AND THERMAL POWER STATIONS Russian patent published in 2006 - IPC C21D9/50 C21D1/30 

Abstract RU 2268312 C1

FIELD: welding technology; removal of residual stresses arising in welded joints in the course of welding.

SUBSTANCE: in the course of welding, ultrasonic oscillations at frequency of 22.1-22.7 kHz are introduced into near-seam zone.

EFFECT: enhanced efficiency of removal of residual stresses.

1 dwg

Similar patents RU2268312C1

Title Year Author Number
RESIDUAL STRESSES RELEASING METHOD FOR WELDED METALLIC JOINTS 2004
  • Trofimov Adol'F Ivanovich
  • Minin Sergej Ivanovich
  • Dement'Ev Vladimir Nikolaevich
RU2280547C2
METHOD OF DECREASING RESIDUAL STRAIN IN WELDED METAL JOINTS 2010
  • Minin Sergej Ivanovich
  • Kudrjavtsev Evgenij Aleksandrovich
  • Vavilov Viktor Vasil'Evich
RU2451583C2
ULTRASONIC DEVICE TO PROCESS WELDED JOINTS OF METALS OF AUSTENITIC CLASS IN PROCESS OF AUTOMATIC WELDING 2010
  • Trofimov Adol'F Ivanovich
  • Minin Sergej Ivanovich
RU2469109C2
METHOD OF RELIEVING RESIDUAL WELD STRESS IN PIPE WIELDED BUTT JOINTS 2010
  • Sidorov Mikhail Mikhajlovich
  • Golikov Nikolaj Innokent'Evich
  • Ammosov Aleksandr Prokop'Evich
RU2444423C1
DEVICE FOR ULTRASONIC PROCESSING OF WELDED JOINT IN PROCESS OF WELDING 2010
  • Trofimov Adol'F Ivanovich
  • Minin Sergej Ivanovich
RU2469108C2
MODE OF INCREASING HOMOGENEITY OF METAL STRUCTURE OF WELDED JOINTS OF AUSTENITIC STEELS 2004
  • Trofimov Adol'F Ivanovich
  • Minin Sergej Ivanovich
  • Dement'Ev Vladimir Nikolaevich(Ru)
  • Neljubov Sergej Viktorovich
RU2270441C1
METHOD OF DECREASING RESIDUAL STRAIN IN WELDED METAL JOINTS OF PIPELINES 2012
  • Bolobov Viktor Ivanovich
  • Khafizova Olesja Fralitovna
  • Fajrushin Ajrat Minnullovich
  • Jusupov Grigorij Adambaevich
RU2492037C1
PROCEDURE FOR ULTRASONIC TREATMENT OF WELDED METAL STRUCTURES 2008
  • Rudetskij Aleksandr Vasil'Evich
RU2394919C1
METHOD OF ULTRASONIC IMPACT TREATMENT FOR REDUCTION OF RESIDUAL STRESSES IN BUTT JOINTS OF PIPES OF STRENGTH CLASS K60 2023
  • Sidorov Mikhail Mikhailovich
  • Tikhonov Ruslan Prokopevich
RU2821463C1
METHOD OF ULTRASONIC PROCESSING OF WELDED METAL STRUCTURES 2010
  • Rudetskij Aleksandr Vasil'Evich
RU2447162C2

RU 2 268 312 C1

Authors

Trofimov Adol'F Ivanovich

Minin Sergej Ivanovich

Dates

2006-01-20Published

2004-04-26Filed