kaz44Вестник Университета Шакарима. Серия технические наукиBulletin of Shakarim University. Technical Sciences2788-79953006-0524«Шәкәрім университеті» КеАҚ10.53360/2788-7995-2025-4(20)-64kaz44-2243Research ArticleТЕХНИЧЕСКАЯ ФИЗИКА И ТЕПЛОЭНЕРГЕТИКАВЛИЯНИЕ МЕХАНИЧЕСКОЙ АКТИВАЦИИ НА СТРУКТУРНО-ФАЗОВЫЕ СОСТОЯНИЯ И ВОДОРОДОПОГЛОЩАТЕЛЬНЫЕ СВОЙСТВА ИНТЕРМЕТАЛЛИЧЕСКОГО СОЕДИНЕНИЯ LANI₅ – ОБЗОРTHE INFLUENCE OF MECHANICAL ACTIVATION ON THE STRUCTURAL-PHASE STATES AND HYDROGEN ABSORPTION PROPERTIES OF THE INTERMETALLIC COMPOUND LANI₅ – REVIEWhttps://orcid.org/0000-0003-3716-8846СкаковМ. К.SkakovM.

Мажын Канапинович Скаков – д.ф.-м.н. главный научный сотрудник РГП НЯЦ РК, Қазақстан;е-mail: 

180010, Республика Казахстан, г. Курчатов, ул. Бейбит атом, 2Б

Mazhyn Skakov – Doctor of Physical and Mathematical Sciences, Chief Researcher

180010, Republic of Kazakhstan Kurchatov, Beibyt atom st., 2 B

skakov@nnc.kzhttps://orcid.org/0000-0003-4189-6539МұхамедоваН. М.MukhamedovaN.

Нурия Мейрамкановна Мухамедова – PhD, начальник лаборатории перспективных материалов филиал Институт атомной энергии 

180010, Республика Казахстан, г. Курчатов, ул. Бейбит атом, 2Б 

Nuriya Mukhamedova – PhD, Head of the Laboratory of Advanced Materials, branch of the Institute of Atomic Energy

180010, Republic of Kazakhstan Kurchatov, Beibyt atom st., 2 B

bakayeva@nnc.kzНасыроваА. К.NassyrovaA.

Анар Кенжебекқызы Насырова – докторант образовательной программы 8D05301-«Физика»

070000, Республика Казахстан, г. Усть-Каменогорск, ул. 30-й гвардейской дивизии, 34

Anar Nassyrova – Doctoral student of the educational program 8D05301 – «Physics» 

070000, Republic of Kazakhstan, Ust-Kamenogorsk, st. 30th Guards Division, 34 

anar.kenzhebekyzy@mail.ruНациональный ядерный центр Республики КазахстанКазахстанNational Nuclear Center of the Republic of KazakhstanKazakhstanВосточно-Казахстанский университет имени Сарсена АманжоловаКазахстанSarsen Amanzholov East Kazakhstan UniversityKazakhstan20252501202614(20)538551Copyright © Скаков М.К., Мұхамедова Н.М., Насырова А.К., 20262026Скаков М.К., Мұхамедова Н.М., Насырова А.К.Skakov M., Mukhamedova N., Nassyrova A.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://tech.vestnik.shakarim.kz/jour/article/view/2243

В статье представлен обзор ряда исследований по использованию сплавов и интерметаллических соединений для хранения водорода. Среди них особое место занимает межметаллическое соединение LaNi₅. Проанализированы последние достижения в разработке интерметаллических соединений типа ab₅. Эти соединения, в частности, LaNi₅ и его легированные аналоги, широко используются благодаря возможности регулировать их свойства путем замены элементов. В статье также представлен обзор методов синтеза и модификации сплавов AB5, направленных на повышение их эффективности в водородных технологиях. Рассматриваются как традиционные методы производства, так и современные технологические подходы, включая искровое плазменное спекание и механоактивацию. Обзор научной литературы показал, что механическая активация является эффективным способом модификации интерметаллического соединения LaNi₅ для улучшения его свойств поглощения водорода. Согласно ряду исследований, воздействие высокоэнергетического шарового измельчения приводит к значительным изменениям в микроструктуре материала. Для повышения эффективности практического использования ланиверов в водородной энергетике необходимы дополнительные комплексные исследования для установления взаимосвязи между параметрами механической обработки, структурными характеристиками и функциональными свойствами материала. Целью данной работы является использование механической активации для изменения микроструктуры материала, уменьшения размера кристаллитов, увеличения плотности дефектов и стимулирования образования аморфных или наноструктурированных состояний, которые в совокупности могут существенно влиять на структуру и взаимодействие с водородом.

 

The article provides an overview of a number of studies on the use of alloys and intermetallic compounds for hydrogen storage. Among them, a particularly important place is occupied by the inter-metallic compound LaNi₅ eye. The latest achievements in the development of intermetallic compounds of the AB₅-type are analyzed. These compounds, in particular LaNi₅ and its alloyed counterparts, are widely used due to the ability to regulate their properties by replacing elements. The article also provides an overview of the methods of synthesis and modification of AB5 alloys aimed at improving their efficiency in hydrogen technologies. Both traditional production methods and modern technological approaches, including Spark plasma sintering and mechanical activation, are considered. A review of the scientific literature has shown that mechanical activation is an effective way to modify the LaNi₅ intermetallic compound to improve its hydrogen absorption properties. According to a number of studies, the effect of high-energy ball milling leads to significant changes in the microstructure of the material. It is shown that to increase the effectiveness of practical applications of LaNi5 in hydrogen energy, additional comprehensive studies are needed to establish the relationship between mechanical processing parameters, structural characteristics, and functional properties of the material.The aim of this work is to use mechanical activation to modify the microstructure of a material, reduce the size of crystallites, increase the density of defects, and promote the formation of amorphous or nanostructured states, which together can significantly affect the structure and interactions with hydrogen.

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The authors declare that there are no conflicts of interest present.