Valery M. Imayev

Doctor of Science (Technical)
Head of the laboratory: «Materials science of hard-to-form alloys»
 
 
Теl.: +7 (347) 282-37-58
 
 
ResearcherID: B-1755-2016
 
Working experience - 32 years.
 
Awards:
- scholarship of the Alexander von Humboldt Foundation many times (since 1997)
- scholarship of the DAAD (German Society for Academic Exchange)
- diploma of the Federal Agency for Scientific Organizations (2018)
 
The author of over 120 published works, co-author of 1 monograph and 4 inventions, four PhDs are defended under his supervision. Assosiate Editor of scientific journal “Letters on Materials”. Since 2016 is an expert of RAS.
 
Area of scientific interests:
- material science of hard-to-deform alloys and composites (intermetallic, heat-resistant nickel, titanium alloys, titanium-based composite materials);
- research of fine and ultrafine-grained metals and alloys;
- superplastic processing of promising hard-to-form materials.
 

Work experience:

1988 - present – Institute for Metals Superplasticity Problems, of RAS, с 2009 г. – Head of the laboratory;

2008 - present – Lecturer at the Department of Physics and Technology of Nanomaterials, Bashkir State University
 
Main publications:

1. Imayev R.M., Imayev V.M., Salishchev G.A.Formation of Submicrocrystalline Structure in TiAl Intermetallic Compound // Journal of Materials Science. 1992. V. 27. P. 4465-4471.

2. Imayev V.M., Imayev R.M., Salishchev G.A., Povarova K.B., Shagiev M.R., Kuznetsov A.V. Effect of Grain Size and Strain Rate on Twinning and Room Temperature Ductility of TiAl with Fine Equiaxed Microstructure // Scripta Materialia. 1997. V. 36. P. 891-897.

3. Imayev V.M., Salishchev G.A., Imayev R.M., Shagiev M.R., Kuznetsov A.V., Senkov O.N., Froes F.H. Low-Temperature Superplasticity of Submicrocrystalline Ti-48Al-2Nb-2Cr Alloy Produced by Multiple Forging // Scripta Materialia. 1999. V. 40. P. 183-190.

4. Imayev R.M., Gabdullin N.K., Salishchev G.A., Imayev V.M., Senkov O.N., Froes F.H. Effect of Grain Size and Partial Disordering on Ductility of Ti3Al at Temperatures of 20°C to 600°C // Acta Materialia. 1999. V. 47. P. 1809-1821.

5. Imayev V.M., Imayev R.M., Salishchev G.A.On Two Stage of Brittle-to-Ductile Transition in TiAl Intermetallic // Intermetallics. 2000. V. 8. P. 1-6.

6. Imayev V.M., Imayev R.M., Kuznetsov A.V., Shagiev M.R., Salishchev G.A. Superplastic Properties of Ti-45.2Al-3.5(Nb,Cr,B) Sheet Material Rolled Below the Eutectoid Temperature //

Materials Science & Engineering A. 2003. V. 348. P. 15-21.

7. Imayev R.M., Imayev V.M., Oehring M., Appel F. Alloy Design Concepts for Refined Cast and Wrought Gamma Titanium Aluminide Based Alloys // Intermetallics. V. 15. 2007. P. 451-460.

8. Imayev V.M., Oleneva T., Imayev R., Christ H.-J., Fecht H.-J. Microstructure and mechanical propetries of low and heavy alloyed γ-TiAl+α2-Ti3Al based alloys subjected to different treatments // Intermetallics. 2012. V. 26. P. 91-97.

9. Imayev V.M., Gaisin R.A., Gaisina E.R., Imayev R.M., Fecht H.-J., Pyczak F. Effect of hot forging on microstructure and tensile properties of Ti-TiB based composites produced by casting // Materials Science & Engineering A. 2014. V. 609. P. 34-41.

10. Imayev V.M., Gaisin R.A., Imayev R.M. Effect of boron additions and processing on microstructure and mechanical properties of a titanium alloy Ti-6.5Al-3.3Mo-0.3Si // Materials Science & Engineering A. 2015. V. 641. P. 71-83.

11. Imayev V.M., Gaisin R.A., Imayev R.M. Effect of boron addition on formation of a fine-grained microstructure in commercially pure titanium processed by hot compression // Materials Science & Engineering A. 2015. V. 639. P. 691-698.

12. Nazarova T.I., Imayev V.M., Imayev R.M., Mulyukov R.R. Improvement of mechanical properties of the Ti-45Al-5Nb-1Mo-0.2B (at.%) intermetallic alloy by means of microstructure controlling // Physics of Metals & Metallography. 2016. 117(10). P. 1038-1046.

13. Imayev V.M., Gaisin R.A., Rudskoi A.I., Nazarova T.I., Shaimardanov R.A., and Imayev R.M. Extraordinary superplastic properties of hot worked Ti-45Al-8Nb-0.2C alloy // Journal of Alloys & Compounds. 2016. V. 663. P. 217-224.

14. Gaisin R.A., Imayev V.M., Imayev R.M. Effect of hot forging on microstructure and mechanical properties of near α titanium alloy/TiB composites produced by casting // Journal of Alloys & Compounds. 2017. V. 723. P. 385-394.

15. Imayev V.M., Gaisin R.A., Gaisina E.R., Imayev R.M. Microstructure, Processing and Mechanical Properties of a Titanium Alloy Ti-20Zr-6.5Al-3.3Mo-0.3Si-0.1B // Materials Science & Engineering A. 2017. V. 696. P. 137-145.

16. Nazarova T.I., Imayev V.M., Imayev R.M., Fecht H.-J. Study of microstructure and mechanical properties of Ti-45Al-(Fe,Nb) (at. %) alloys // Intermetallics. 2017. V. 82. P. 26-31.

17. Imayev V.M., Gaisin R.A., Imayev R.M. Microstructure and mechanical properties of near α titanium alloy based composites prepared in situ by casting and subjected to multiple hot forging // Journal of Alloys & Compounds. 2018. 762. P. 555-564.

18. Imayev V.M., Ganeev A.A., Imayev R.M. Principles of achieving superior superplastic properties in intermetallic alloys based on γ-TiAl+α2-Ti3Al // Intermetallics. 2018. V. 101. P. 81-86.

19. Ganeev A.A., Valitov V.A., Utyashev F.Z., and Imayev V.M. Effect of Thermomechanical Treatment on the Formation of Gradient Structure and Mechanical Properties in a Disk Made of Powder-Metallurgy Nickel-Based Superalloy // Physics of Metals & Metallography. 2019. 120(4). P. 410-416.

20. Mukhtarov Sh.Kh., Imayev V.M., Logunov A.V., Shmotin Yu.N., Mikhailov A.M., Gaisin R.A., Shakhov R.V., Ganeev A.A., Imayev R.M. Recrystallization behavior and mechanical properties of a novel Re-containing nickel base superalloy // Materials Science & Technology. 2019. V. 35. P. 1605-1613.

21. Imayev V.M., Ganeev A.A., Nazarova T.I., Imayev R.M. Effect of hot forging at lower temperatures on microstructure and mechanical properties of b-solidifying g-TiAl alloys // Letters on Materials. 2019. 9(4s). 528-533.

English