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Rumen Krastev Krastev

Position: Assoc. Prof.

Department: Mechatronics

Phone: +359 2 979 6450



Scientific degrees, institution, year:



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

Fields of Research:


Mechanics, hydraulics, pneumatics, thermotechnics, innovations, organization,damage of materials, durability, lifetime


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


Publications (15 selected within 2003 - 2013):

1. Krastev Rumen K. Influence of the contact surface on the mechanical behaviour. In: Proc. of 12th National Congress on Theoretical and Applied Mechanics, 23-26 September 2013, Varna, Bulgaria (in press, available online

2. Borovanska I., R. Krastev, R. Benavente, M. M. Pradas, A. V. Lluch, V. Samichkov, Mario Iliev. Ageing effect on morphology, thermal and mechanical properties of impact modified LDPE/PP blends from virgin and recycled materials. Journal of Elastomers and Plastics, (print ISSN: 0095-2443; Online ISSN: 1530-8006, IF12 = 0.623, in press, available online, doi: 10.1177/0095244312469959)

3. Krastev R.K., S. Djoumaliisky, I. Borovanska. Long-term Strength of Polymer Blends from Recycled Materials. J. of Theor. and Appl. Mechanics, 43 (3), 2013, 59-66. (ISSN: 0861-6663; Google Scholar)

4. Djoumaliisky S., R. Benavente, G. Kotzev, V. Valchev, E. Krusteva, R. Krastev. Conductive Composites Based on Metallocene Isotactic Polypropylene: Preparation and Properties, Macromolecular Symposia, 311 (1), 2012, 64-69. (ISSN: 1521-3900, SJR12 = 0.252)

5. Krastev R.K. Measuring of heat capacity. Int. J. of Heat and Mass Transfer, 53 (19-20), 2010, 3847-3854. (ISSN: 0017-9310, IF10 = 1.899)

6. V. L. Zvetkov, R. K. Krastev, S. Paz-Abuin – Is the Kamal’s model appropriate in the study of the epoxy-amine addition kinetics. Thermochimica Acta V. 505: 47-52; 2010. (ISSN: 0040-6031, IF09 = 1.742)

7. Petkova V. J., R. K. Krastev – Mathematical modeling of composition of a high-strength composite concrete containing blended carbonate additive. J. of International Sc. Publication: Materials, Methods and Technologies (2010) 4:2, 370-380 (ISSN 1313-2539,

8. Aniskevich K., R. Krastev, Yu. Hristova – Effect of long-term exposure to water on the viscoelastic properties of an epoxy based composition. Mechanics of Composite Materials, Vol. 45, No. 2, 2009, 139-144 (ISSN: 0191-5665 / print; ISSN: 1573-8922 / electronic; IF09 = 0.342)

9. Krastev R. K. - A Contemporary Application of the Archimedes Method. In: proc. of 12-th International Conf. of Mechanics and Technology of Composite Materials, Varna, (2009), pp. 409-414. (ISSN 1313-8693)

10. Krastev R., G. Zachariev, J. Hristova, J. Minster, – Creep-rupture strength prediction of an epoxy composite under tension. Mech. Time-Depend Mater. (2009) 13: 207-214; DOI: 10.1007/s11043-009-9077-x (ISSN 1385-2000 / print; ISSN 1573-2738 / online; IF09 = 1.051)

11. Zvetkov V.L., R. K. Krastev, V.I. Samichkov – Rate equations in the study of the DSC kinetics of epoxy-amine reactions in an excess of epoxy. Thermochimica Acta V. 478(1-2) : 17-27; 2008. (ISSN: 0040-6031, IF09 = 1.742)

12. Krastev R., G. Zachariev, J. Minster, J. Hristova – Creep-Rupture Strength of Epoxy Composite. Proceedings of 11-th Int. Conf. on Mechanics and Technology of Composite Materials, Sofia, (2006), pp. 241 - 246.

13. Krastev R. – Momentum Model of Interaction between Fluid Flow and Airfoil. In: Proceedings of 10-th Jubilee National Congress of Theoretical and Applied Mechanics. 13-16.Sept.2005, Varna, Volume I, pp. 505-510. (ISBN 10:954-322-123-5; ISBN 13: 978-954-322-123-3)

14. Krastev R., G. Zachariev – Assessment of the Residual Strain of GF-POM Subjected to Creep under Bending. Proceedings of 10-th Jubilee National Congress of Theoretical and Applied Mechanics, 13-16.Sept.2005, Varna, Volume I, pp. 248-253 (ISBN 10:954-322-123-5; ISBN 13: 978-954-322-123-3)

15. Krastev R. – Mechanical Properties and Ratios of GF/POM under Three Test Regimes. J. of theoretical and applied mechanics, Vol. 33, No2, 2003, pp. 73-82.




Recent Projects

Membership in external financed projects, selected part

  • Recycling of mixed plastic waste from households, 2011-2014, BAS / NS Fund;

  • Blown polypropylene nanocomposites: receiving, structural characterization, thermomechanical behavior and obtaining, 2009-2012, BAS / NS Fund.


Head of budget funded project

    Methods for determining the compliance and the heat capacity of test samples of composite materials, 2009.


Membership in budget funded projects, selected part

  • Structural and mechanical studies of high-tech silicate systems, 2014 – 2016;

  • Kinetics of scattered damage and durability of materials under mechanical loading, 2007-2009;

  • Analysis of damage and prediction of the destruction of materials, 2004-2006.


Membership: Union of inventors in Bulgaria



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

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


Modified date:29-02-2016