Institute of Mechanics

Department: Mechatronics

Phone: +359 2 979 6450

E-mail: r_krastev@imbm.bas.bg

Scientific degrees, institution, year:

PhD, Central Laboratory of Physico-Chemical Mechanics - BAS, 2003

Fields of Research:

Mechanics, mechanical tests, hydraulics, pneumatics, thermotechnics, innovations, organization,damage of materials, durability

Patent
Krastev R. - Piston internal combustion engine, Bulgarian Patent Office, Pat. № 62626 of 17.04.2000.

Publications (14 selected within 2010 – 2024)

1. Krastev R.K. Measuring of heat capacity. Int. J. of Heat and Mass Transfer, 53 (19-20), 2010, 3847-3854. (ISSN: 0017-9310, IF09 = 1.947)
2. Krastev R.K., S. Djoumaliisky, I. Borovanska. Long-term Strength of Polymer Blends from Recycled Materials. J. of Theor. and Appl. Mechanics, (2013), vol. 43 (3) 59-66. (print ISSN: 0861-6663, online ISSN: 1314-8710)
3. Krastev R. K. Influence of the contact surface on the mechanical behaviour. Proc. of the 12-th National Congress on Theoretical and Applied Mechanics, 23-26 September 2013, IHS Frederic Joliot-Curie, St. St. Constantine and Helena Resort, Varna, Bulgaria, 467-415-1-PB. ISSN 1313-9665
4. Dimitar Chakarov, Vladimir Stavrov, Detelina Ignatova, Assen Shulev, Mihail Tsveov, Rumen Krastev & Ivo Vuchkov (2016). Development of Force Monitoring Transducers Using Novel Micro-Electromechanical Sensor (MEMS). Mechanics, Materials Science & Engineering Vol.6, print ISSN 2412-5954.
5. Bychanok, D., Angelova, P., Paddubskaya, A., Meisak, D., Shashkova, L., Demidenko, M., Plyushch, A., Ivanov, E., Krastev, R., Kotsilkova, R., Ogrin, F.Y., Kuzhir, P. Terahertz absorption in graphite nanoplatelets/polylactic acid composites (2018) Journal of Physics D: Applied Physics, 51 (14), art. no. 145307. DOI: 10.1088/1361-6463/aab1a5 ; Q1; Online ISSN: 1361-6463; Print ISSN: 0022-3727
6. Krastev, R.K. Deformability of contact layers (2018) Journal of Applied Physical Science International. 10(4), 163-174; ISSN: 2395-5260 (P), ISSN: 2395-5279 (O); https://www.ikprress.org/index.php/JAPSI/issue/view/638
7. Rumen Krastev, Tatiana Simeonova, Vasil Kavardjikov. Influence of filtering size on results in interpretation of Hopkinson-Kolsky bar signals. Int. Sci. J. INDUSTRY 4.0, Vol. VI, Issue 5 (2021), pp. 185-188, print ISSN: 2534-8582, online ISSN: 2534-997X https://stumejournals.com/journals/i4/2021/5
8. Rumen Krastev. Consistent Presentation of the Beam Deflection Theory Including Shear Correction. Int. Sci. J. Mathematical Modeling, Vol. 5, Issue 4 (2021), pp. 120-123, print ISSN 2535-0896, online ISSN 2603-2929, https://stumejournals.com/journals/mm/2021/4
9. Rumen Krastev, Tatiana Simeonova, Vasil Kavardjikov, Ilian Atanasov, Ludmil Drenchev. Strain controlled fatigue of 40X steel. Machines. Technologies. Materials. Vol. 16 (2022), Issue 4, pp. 146-149, https://stumejournals.com/journals/mtm/2022/4 Print ISSN 1313-0226 Online ISSN 1314-507X
10. Rumen Krastev. Four-point bending of thin or thick beams. Mathematical Modeling VI:2 (2022), pp. 43-46, https://stumejournals.com/journals/mm/2022/2/pdf
11. Kolev M., Drenchev L., Simeonova T., Krastev R., Kavardzhikov V. Data on mechanical properties of open-cell AlSi10Mg materials and open-cell AlSi10Mg-SiC composites with different pore sizes and strain rates (2023) Data in Brief, 49, art. no. 109461 DOI: 10.1016/j.dib.2023.109461 IF = 1.
12. Vanya Dyakova, Yana Mordjeva, Tatiana Simeonova, Rumen Krastev, Ilian Atanasov, Ludmil Drenchev, Vasil Kavardjikov . MICROSTRUCTURAL ANALYSIS OF 40X STEEL AFTER STRAIN-CONTROLLED FATIGUE. Journal of Theoretical and Applied Mechanics, Sofia, Vol.54 (2024) pp. 61-72 https://doi.org/10.55787/jtams.24.54.1.061 SJR 0.16 Q3. Print ISSN: 0861-6663, Online ISSN: 1314-8710
13. Tatiana Simeonova, Rumen Krastev, Georgi Stoilov, Vasil Kavardzhikov. Mechanical Characterization of Al-Cu Materials Fabricated by Powder Metallurgy under Quasi-static and Dynamic Compressive Loadings. Int. sc. j. INDUSTRY 4.0, year IX (5), 2024, pp. 182-185. ISSN(print) 2534-8582, ISSN (web) 2534-997X, https://stumejournals.com/journals/i4/2024/5/pdf
14. Rumen Krastev, Vasil Kavardzhikov, Tatiana Simeonova. Modified Split Hopkinson Pressure Bar adapted to porous and low strength materials testing. Int. sc. j. MATHEMATICAL MODELING, year VIII (2), 2024, pp. 51-55. ISSN(print) 2535-0986, ISSN (web) 2603-2929, https://stumejournals.com/journals/mm/2024/2/pdf

Participation in projects with external funding (selected part for the period 2011-2025)

1. Project DTK 02/7 “Recycling of mixed household plastic waste” 2011 – 3.2014. Leader: Assoc. Prof. Dr. Str. Dzhumaliyski

2. Project with NIF: IF-00- 10-5 "Universal MicroSensor System for Equipment Monitoring (USSMO). Lead organization: AMG Technology Ltd. Partner: Institute of Mechanics - BAS. Head for IMech: Prof. Dimitar Chakarov, 2020 - 2021.

3. Head of the Mechanical Testing Section at the "Laboratory for Mechanical Testing and Express Diagnostics" with equipment funded under project No. BG05M20P001-1.001-0008, Center of excellence "National Center of Mechatronics and Clean Technology", 2022 - 2023.

4. Head of the Mechanical Testing Section at the "Laboratory for Mechanical Testing and Express Diagnostics", project No. BG16RFPR002-1.014-0006 "National Center of Excellence in Mechatronics and Clean Technologies", since 09.2025.

Honors:

EVRIKA – Award of Evrika foundation for young inventor, 2000.

“Marin Drinov” – Award of Bulgarian Academy of Sciences for young scientists, 2003.

Institute of Mechanics tel.: +359 2 973 31 40; e-mail: office@imbm.bas.bg