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2 633 688

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(51)

IPC

C23C24/08(2006-01-01)

B23K26/08(2014-01-01)

C21D1/09(2006-01-01)

(21) (22)

Application

2016137731, 2016-09-21

(24)

Start date

2016-09-21

(22)

Actual filing date

2016-09-21

(45)

Published

2017-10-16

(72)

Inventor

Reshetnikov Sergej MaksimovichBashkova Irina OlegovnaKharanzhevskij Evgenij ViktorovichGilmutdinov Faat ZalalutdinovichKrivilev Mikhail Dmitrievich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet"

METHOD FOR TREATING SURFACE OF ZIRCONIUM ALLOY PLATE Russian patent published in 2017 - IPC C23C24/08 B23K26/08 C21D1/09

Abstract RU 2633688 C1

FIELD: metallurgy.

SUBSTANCE: method for treating zirconium alloy plate surface includes application of magnesium oxide powder onto the plate surface and laser treatment, which is carried out in 1-10 passes at average laser radiation power of 10-60 W, pulse frequency of 20-100 kHz, laser beam scanning rate of 100-1000 mm/sec. Then annealing is carried out in muffle furnace at 700-1100°C for 5-25 minutes.

EFFECT: formation of transparent oxide film of mixed composition with high hardness, adhesion strength and corrosion resistance.

9 dwg, 1 tbl

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RU 2 633 688 C1

Authors

Reshetnikov Sergej Maksimovich

Bashkova Irina Olegovna

Kharanzhevskij Evgenij Viktorovich

Gilmutdinov Faat Zalalutdinovich

Krivilev Mikhail Dmitrievich

Dates

2017-10-16—Published

2016-09-21—Filed