Laboratory of Metallology of Non-ferrous and Light metals named after Academician A.A. Bochvar

Head of Laboratory

Dobatkin, Sergey V

DSc in Engineering, Professor
Publications
255
Citations
4 054
h-index
35
Authorization required.

The laboratory conducts physico-chemical studies of alloys based on aluminum, magnesium, copper and other light and non-ferrous metals, including the study of state diagrams, phase transformations in alloys during heat treatment, structural changes during plastic deformation and subsequent annealing, and features of the formation of the structure of alloys during casting under different conditions. Currently, the laboratory is also actively developing bioresorbable medical materials based on Mg, Zn and Fe. A significant place in the laboratory's work is devoted to establishing the relationship between the composition, structure of alloys and their mechanical, physical, corrosive and other properties. Taking into account the conducted research, new alloys based on light and non-ferrous metals, medical alloys, as well as technologies for their processing are being developed.

  1. Differential Scanning Calorimetry (DSC)
  2. Casting of light alloys
  3. Metallography
  4. Microscopy
  5. Microhardness
  6. Determination of electrical conductivity of metals
  7. Optical microscopy
  8. A potentiodynamic method for studying corrosion resistance
  9. Sample preparation for metallographic studies
  10. Light microscopy
  11. Scanning electron microscopy (SEM)
  12. Structural metallographic studies, including computer statistical image processing of structures and measurement of microhardness
  13. Brinell hardness
  14. Analysis and construction of phase diagrams
Dobatkin, Sergey V
Sergey Dobatkin
Head of Laboratory
Rybalchenko, Olga V
Olga Rybalchenko
Leading researcher
Leading researcher
Natalia Martynenko 🥼 🤝
Senior Researcher
Elena Lukyanova
Senior Researcher
Straumal, Petr Borisovich
Petr Straumal
Senior Researcher
Researcher
Tokary, Aleksey Andreevich
Aleksey Tokary
Junior researcher
Temralieva, Diana R
Diana Temralieva
Research Engineer

Research directions

Development of bioresorbable metal materials for various medical tasks.

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Currently, in medicine, steel and titanium, which are non-degradable in the environment of the human body, are mainly used as materials for creating orthopedic implants and products for cardiovascular surgery. These materials have proven themselves well in this direction, but they have one significant drawback – the need for repeated surgery to remove a worn-out structure. Otherwise, the products in the patient's body can cause negative reactions of the body due to the gradual release of metal ions. In addition, the mechanical properties of steel and titanium implants significantly exceed the properties of cortical bone, which can cause uneven bone remodeling. Therefore, currently, doctors and materials scientists have taken care of creating a new generation of implants that would have the ability to bioresorption, that is, decompose in the patient's body during the healing process of injury. Promising candidates for the creation of such products are alloys based on Mg, Zn and Fe-Mn systems. The advantage of products made from these materials is that after completion of therapy (after fusion of the fracture, release of the drug, resorption of cholesterol deposits), there is no need to remove the product from the patient's body, since it gradually dissolves and is excreted from the body naturally. The use of bioresorbable implants reduces the risk of peri-implantation osteoporosis due to the so-called stress screening effect, reduces the risk of complications in the patient, reduces the likelihood of allergic reactions, and due to gradual degradation also allows for the gradual flow of medicines (for example, an antibiotic or cytostatic) into the implantation area. In addition, such implants are of particular interest in the treatment of bone fractures in children and adolescents, since they have constant bone growth, which makes it difficult to use non-resorbable implants. The Laboratory of Metallology of Non-ferrous and Light Metals conducts research on all three promising metals.

Development of new structural magnesium alloys with improved mechanical properties

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Magnesium alloys, characterized by an advantageous combination of density and mechanical properties, are widely used in aviation, rocket science, astronautics and the automotive industry, which require the improvement of existing and the creation of new lightweight structural materials with high strength and heat resistance. Along with the use of existing magnesium alloys, the possibilities of increasing their strength properties are far from exhausted, and therefore it was advisable to consider ways to improve magnesium alloys by applying various technologies and additional alloying to it.

Development of ultrafine-grained copper alloys with enhanced mechanical and operational properties

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The search for a balance between strength and electrical conductivity is one of the urgent tasks in the development of low-alloy copper alloys for electrical engineering [1-3]. For example, contact welding electrodes during operation must not only conduct an electric current to the material, but also compress the elements to be welded and remove the heat released during welding. Therefore, the materials from which such electrodes are made must have good thermal and electrical conductivity, high strength, wear resistance and crack resistance. Dispersion-hardening copper alloys such as chrome and chromium-zirconium bronzes largely meet the above requirements for electrode materials and are currently being successfully used in industry. However, the need to increase the resistance of electrodes and increase their durability requires continuous improvement of electrode materials, both through the development of new compositions and due to optimization of thermal and thermomechanical processing modes.

Publications and patents

Елена Александровна Лукьянова, Татьяна Владимировна Добаткина, Ирина Евгеньевна Тарытина, Лазарь Леонович Рохлин, Наталья Сергеевна Мартыненко, Ольга Владиславовна Рыбальченко, Сергей Владимирович Добаткин, Михаил Михайлович Морозов, Владимир Сабитович Юсупов
RU2812104C1, 2024
Наталья Юрьевна Анисимова, Дмитрий Владимирович Филоненко, Наталья Сергеевна Мартыненко, Ольга Владиславовна Рыбальченко, Мария Владимировна Шинкарева, Георгий Владимирович Рыбальченко, Надежда Евгеньевна Устюжанина, Михаил Валентинович Киселевский
RU2809091C1, 2023
Наталья Юрьевна Анисимова, Наталья Сергеевна Мартыненко, Ольга Владиславовна Рыбальченко, Михаил Валентинович Киселевский, Алмагуль Тулеуловна Маншарипова, Айгуль Одаковна Кабиева, Сергей Владимирович Добаткин, Юрий Захарович Эстрин
RU2780932, 2022
Наталья Юрьевна Анисимова, Наталья Сергеевна Мартыненко, Ольга Владиславовна Рыбальченко, Михаил Валентинович Киселевский, Алмагуль Тулеуловна Маншарипова, Айгуль Одаковна Кабиева, Сергей Владимирович Добаткин, Юрий Захарович Эстрин
RU2780927, 2022
Наталья Сергеевна Мартыненко, Елена Александровна Лукьянова, Владимир Нинелович Серебряный, Георгий Иосифович Рааб, Сергей Владимирович Добаткин
RU2678111, 2019
Сергей Владимирович Добаткин, Наталья Сергеевна Мартыненко, Елена Александровна Лукьянова, Владимир Нинелович Серебряный, Михаил Михайлович Морозов, Владимир Сабитович Юсупов, Юрий Захарович Эстрин
RU2664744, 2018

Partners

Lab address

119334, г. Москва, Ленинский проспект, 49
Authorization required.