Dr.-Ing. Qiang Li
Sekretariat | C8-4 |
---|---|
Gebäude | M |
Raum | 127 |
Adresse | Str. des 17. Juni 135 10623 Berlin |
Wissenschaftlicher Werdegang
seit 2014 | Wissenschaftlicher Mitarbeiter am FG Systemdynamik und Reibungsphysik der TU Berlin |
2014 | Promotion am FG Systemdynamik und Reibungsphysik der TU Berlin |
2007-2010 | M.Sc in Mechanical Engineering, East China University of Science and Technology, China |
2003-2007 | B.Sc in Mechanical Engineering, East China University of Science and Technology, China |
Forschungsinteressen
Adhäsion |
Verschleiß |
Kontaktmechanik |
Elastomer Kontakt |
Einfluss von Schwingungen auf die Reibung |
Nummerische Methoden in Kontaktmechanik |
Betreute Lehrveranstaltungen
Materialtheorie |
Projekt Simulation von tribologischen Kontakten |
Publikationen
Adhäsion
Li Q, Wilhayn J, Lyashenko IA, Popov VL, Adhesive contacts of rough elliptical punches, Mech Res Commun, 2022, 122:103880.
Li Q, Lyashenko IA, Pohrt R, Popov VL, Influence of a Soft Elastic Layer on Adhesion of Rough Surfaces, In: Borodich, F.M., Jin, X. (eds) Contact Problems for Soft, Biological and Bioinspired Materials. Biologically-Inspired Systems, 2022, 15:93-102
Li Q, He X, Popov VL, Strength of adhesive contact between a rough fibrillar structure and an elastic body: influence of fibrillar stiffness, J Adhes, 2021, 98(12):1-14
Li Q, He X, Popov VL, Simulation of Adhesive Contact of Soft Microfibrils, Lubricants, 2020, 8(10):94
Li Q, Popov VL, A numerical study of JKR-type adhesive contact of ellipsoids, Q. Li, V.L. Popov, J Phys D, 2020, 53(33):335303
Li Q, Pohrt R, Popov VL, Adhesive Strength of Contacts of Rough Spheres, Front. Mech. Eng, 2019, 5:7. https://www.frontiersin.org/article/10.3389/fmech.2019.00007
Li Q, Popov, VL, Adhesive contact between a rigid body of arbitrary shape and a thin elastic coating, Acta Mechanica, 2019, 230 (7):, 2447-2453. https://link.springer.com/article/10.1007/s00707-019-02403-0
Argatov II, Li Q, Popov VL, Cluster of the Kendall-type adhesive microcontacts as a simple model for load sharing in bioinspired fibrillar adhesives, Arch. Appl. Mech., 2019, 89 (8):1447-1472. https://link.springer.com/article/10.1007/s00419-019-01516-1
Li Q, Popov VL, Adhesive contact of rough brushes, Beilstein J. Nanotechnol, 2018, 9: 2405–2412. https://www.beilstein-journals.org/bjnano/articles/9/225
Li Q, Popov VL, Adhesive force of flat indenters with brush-structure, FU Mech Eng, 2018, 16(1): 1-8. https://doi.org/10.22190/FUME171220005L
Li Q, Argatov II, Popov VL, Onset of detachment in adhesive contact of an elastic half-space and flat-ended punches with non-circular shape: analytic estimates and comparison with numeric analysis, J. Phys. D, 2018, 51(14):145601. http://iopscience.iop.org/article/10.1088/1361-6463/aab28b/meta
Popov VL, Pohrt R, Li Q, Strength of adhesive contacts: Influence of contact geometry and material gradients, Friction, 2017, 5(3): 308-325. https://doi.org/10.1007/s40544-017-0177-3
Li Q, Popov VL, On the possibility of frictional damping with reduced wear: A note on the applicability of Archard's law of adhesive wear under conditions of fretting, Phys Mesomech, 2017, 20(5):91-95. doi.org/10.1134/S1029959918010137
Argatov I, Li Q, Pohrt R, Popov VL, 2016, Johnson–Kendall–Roberts adhesive contact for a toroidal indenter, Proc. Royal Soc. A, 472(2191). https://doi.org/10.1098/rspa.2016.0218
Verschleiß
Li Q, Forsbach F, Benad J, Numerical implementation of fretting wear in the framework of the MDR, FU Mech Eng, 2019, 17(1):87-93.
Li Q, Voll L, Starcevic J, Popov VL. Heterogeneity of material structure determines the stationary surface topography and friction, Sci R, 2018, 8, 14168. https://doi.org/10.1038/s41598-018-32545-5
Li Q, Forsbach F, Schuster M, Pielsticker D, Popov VL, Wear Analysis of a Heterogeneous Annular Cylinder, Lubricants, 2018, 6(1): 28. https://doi.org/10.3390/lubricants6010028
Li Q. Limiting profile of axisymmetric indenter due to the initially displaced dual-motion fretting wear, FU Mech Eng, 2016, 14(1): 55-61.
Li Q, Filipopov AE, Dimaki AV, Chai YS, Popov VL. Simplified simulation of fretting wear using the method of dimensionality reduction. 2014. Phys Mesomech, 17(3): 236-241
Kontaktmechanik
Hanisch T, Richter I, Li Q, Frictional energy dissipation in a contact of elastic bodies subjected to superimposed normal and tangential oscillations, Phys Mesomech, 2020, 23(2):67-73
Li Q, Popov VL, Non-adhesive contacts with different surface tension inside and outside the contact area, Front Mech Eng, 2020, 6:63
Li Q, Popov VL. Normal line contact of finite-length cylinders, FU Mech Eng, 2017, 15(1): 63-71. https://doi.org/10.22190/FUME170222003L
Li Q. On the tensor of tangential stiffness in contact problems, Phys Mesomech, 2017, 20(5): 51-56. https://doi.org/10.1134/S1029959918010071
Li Q, Popov, VL. Indentation of flat-ended and tapered indenters with polygonal geometries, FU Mech Eng, 2016, 14(3):241-249
Willert E, Li Q, Popov VL. The JKR-adhesive normal contact problem of axisymmetric rigid punches with a flat annular shape or concave profiles, FU Mech Eng, 2016: 14 (3), 281-292.
Zhang J, Butz A, Li Q. Simulation of frictional energy dissipation in a fiber contact subjected to normal and tangential oscillation. Phys Mesomech. 2015; 18(4), 52-56.
Elastomer Kontakt
Popov VL, Voll L, Kusche S, Li Q, Rozhkova SV, Generalized master curve procedure for elastomer friction taking into account dependencies on velocity, temperature and normal force, Tribol Int, 2018, 20:376-380.
Li Q, Dimaki AV, Popov M., Psakhie SG, Popov VL. Kinetics of the coefficient of friction of elastomers. Sci R. 2014; 4, 5795
Popov VL, Voll L, Li Q, Chai YS, Popov M. Generalized Law of Friction between elastomers and differently shaped rough bodies. Sci R, 2014, 3, 3750. https://doi.org/10.1038/srep03750
Li Q, Popov M, Dimaki A, Filipopov AE, Kürschner S, Popov VL. Friction between a viscoelastic body and a rigid surface with random self-affine roughness. Phys Rev Lett, 2013, 111(3):034301. https://doi.org/10.1103/PhysRevLett.111.034301
Li Q, Popov M, Dimaki A, et al. Li et al. Reply. Phys Rev Lett, 2013, 111(18): 189402
Einfluss von Schwingungen auf die Reibung
Zughaibi JM, Schulze FH, Li Q. Critical velocity of controllability of sliding friction by normal oscillations for an arbitrary linear rheology, Phys Mesomech, 2018, 21(4): 371-378. https://doi.org/10.1134/S1029959918040112
Popov M, Li Q. Multi-mode active control of friction, dynamic ratchets and actuators, Phys Mesomech, 2017, 20(5): 26-32. https://doi.org/10.1134/S1029959918010046
Milahin N, Li Q, Starcevic J. Influence of the normal force on sliding friction under ultrasonic oscillations. FU Mech Eng. 2015, 13(11): 27-32.
Milahin N, Li Q. Friction and wear of s spherical indenter under influence of out-of-plane ultrasonic oscillations. Phys Mesomech. 2015, 18(4): 38-41.
Popov M, Li Q, Popov N. Damping in viscoelastic contacts under combined normal and tangential oscillation . AIP Conference Proceedings, 1683, 020187 (2015). dx.doi.org/10.1063/1.4932877
Nummerische Methoden in Kontaktmechanik
Li Q, R. Pohrt R, Lyashenko IA, Popov VL, Boundary element method for nonadhesive and adhesive contacts of a coated elastic half-space, Proc. Inst. Mech. Eng. J, 2019, https://doi.org/10.1177/1350650119854250
Li Q, Popov VL. Boundary element method for normal non-adhesive and adhesive contacts of power-law graded elastic materials, Comput Mech, 2018, 16(3):319-329. https://doi.org/10.1007/s00466-017-1461-9
Pohrt R, Li Q. Complete Boundary Element Formulation for Normal and Tangential Contact Problems. Phy Mesomech 17, 334–340 (2014).
Dritter Körper
Li Q, Lyashenko IA, Starcevic J, An experimental study on third-body particle transport in sliding contact, FU Mech Eng, 2021, 19 (1), 1-5
Li Q, Simulation of A Single Third-Body Particle in Frictional Contact, FU Mech Eng, 2020, 18(4):537-544