METHOD OF PRODUCING ZIRCONIUM POWDERS Russian patent published in 2025 - IPC B22F9/20 B22F1/142 B22F1/145 C22B34/14 

Abstract RU 2836462 C1

FIELD: powder metallurgy.

SUBSTANCE: invention relates to powder metallurgy and can be used in producing zirconium powders for use in electronic products, pyrotechnic compositions, particularly explosive and inflammable mixtures. Method involves hydrogenation of zirconium metal to obtain zirconium hydride, which is mixed with zirconium dioxide and sodium chloride in ratio ZrHx:ZrO2:NaCl = 1:0.26-0.28:0.8-1.25 in an inert atmosphere. Obtained mixture is ground to obtain a mixture which is dehydrated at temperature of 750-790 °C and pressure of at least 6 Pa. Dehydrated charge is leached to obtain a pulp which is subjected to filtration. Produced cake is washed, dried to produce zirconium powder and packed.

EFFECT: possibility of controlling granulometric composition, activity of zirconium and physical properties of zirconium powders during production thereof, while ensuring fire safety of the process.

6 cl, 2 tbl, 4 ex

Similar patents RU2836462C1

Title Year Author Number
METHOD OF PRODUCING TANTALUM POWDER 2014
  • Patrikeev Jurij Borisovich
  • Filjand Julija Mikhajlovna
  • Kotljarov Vladimir Ivanovich
  • Vorobeva Natalja Sergeevna
  • Miskarjants Dmitrij Vadimovich
RU2582414C1
METHOD FOR PRODUCING METAL POWDER 2016
  • Mokrushin Valerij Vadimovich
  • Tsarev Maksim Vladimirovich
  • Berezhko Pavel Grigorevich
  • Postnikov Aleksej Yurevich
  • Yaroshenko Vyacheslav Viktorovich
  • Yukhimchuk Arkadij Arkadevich
  • Orlov Veniamin Moiseevich
  • Baranov Sergej Vasilevich
  • Valeev Salavat Minni-Akhmetovich
  • Konovalov Aleksej Vladimirovich
  • Levchenkova Olga Nikolaevna
  • Potekhin Andrej Aleksandrovich
RU2634110C2
METHOD FOR PRODUCTION OF NIOBIUM POWDERS 2016
  • Patrikeev Yurij Borisovich
  • Filyand Yuliya Mikhajlovna
  • Kotlyarov Vladimir Ivanovich
  • Vorobeva Natalya Sergeevna
  • Miskaryants Dmitrij Vadimovich
RU2610652C1
METHOD OF PRODUCTION OF TITANIUM-CONTAINING METALLIC POWDERS 2016
  • Beshkarev Valerij Tomasovich
  • Gasanov Akhmedali Amiraly Ogly
  • Yuzhakova Elena Andreevna
  • Ivanov Vladimir Viktorovich
  • Kartsev Valentin Efimovich
  • Kotlyarov Vladimir Ivanovich
  • Kozlov Roman Yurevich
RU2634866C1
ZIRCONIUM POWDER MANUFACTURING PROCESS 2006
  • Orlov Veniamin Moiseevich
  • Fedorova Ljubov' Alekseevna
  • Kalinnikov Vladimir Trofimovich
  • Gusev Pavel Trifonovich
  • Jaroshenko Vjacheslav Viktorovich
  • Orlikova Evgenija Gavrilovna
  • Suslov Aleksandr Petrovich
  • Baranov Sergej Vasil'Evich
  • Rovnyj Sergej Ivanovich
  • Valeev Salavat Minni-Akhmetovich
RU2304488C1
PROCEDURE FOR ZIRCON PROCESSING WITH PRODUCTION OF ZIRCON DIOXIDE 2009
  • Simonov Jurij Aleksandrovich
  • Kritskij Aleksandr Aleksandrovich
  • Rychkov Vladimir Nikolaevich
  • Tomashov Vladimir Andreevich
  • Chelpanov Viktor Vjacheslavovich
RU2434956C2
METHOD FOR OBTAINING METALLIC SCANDIUM 2021
  • Dyakov Vitalij Evgenevich
RU2764445C2
PRODUCTION OF COMPOSITE POWDERS OF REFRACTORY AND RARE-EARTH METALS 2013
  • Arzhatkina Lidija Alekseevna
  • Arzhatkina Oksana Alekseevna
  • Nikitina Elena Viktorovna
  • Lazarenko Valentin Vladislavovich
RU2538794C1
METHOD OF PRODUCING TANTALUM POWDER 2017
  • Gasanov Akhmedali Amiraly Ogly
  • Patrikeev Yurij Borisovich
  • Repin Sergej Aleksandrovich
  • Filyand Yuliya Mikhajlovna
RU2647073C1
METHOD OF PRODUCING TITANIUM POWDER 2015
  • Rymkevich Dmitrij Anatolevich
  • Teterin Valerij Vladimirovich
  • Permyakov Andrej Aleksandrovich
  • Kurganov Aleksandr Anatolevich
  • Bezdolya Ilya Nikolaevich
RU2628228C2

RU 2 836 462 C1

Authors

Chapygin Anatolij Mikhajlovich

Budin Oleg Nikolaevich

Vasilev Dmitrij Ivanovich

Dates

2025-03-17Published

2024-08-08Filed