last update: 2018-07
Peer Reviewed Publications (* Corresponding Authors) H-index: 4
6. G. Liu, X. Feng, K. Lang, R. Zhang, D. Guo, S. Yang, S. Cheng*,
Macromolecules, 50 (17), 6637-6646, (2017), [pdf]
5. G. Liu* and S.Q. Wang*,
Entangled linear polymer solutions at high shear: from strain softening to hardening
Macromolecules, 49 (24), 9647-9654, (2016), [pdf]
4. G. Liu*, H. Ma, H. Lee, H. Xu, S. Cheng, H. Sun, T. Chang, R.P. Quirk and S.Q. Wang*,
Long chain branched polymers to prolong homogeneous stretching and to resist melt breakup,
Polymer, 54, 6608-6616 (2013), [pdf]
3. G. Liu, S. Cheng, H. Lee, H. Ma, H. Xu, T. Chang, R.P. Quirk and S.Q. Wang*,
Strain hardening in startup shear of long chain branched polymer solutions,
Physical Review Letter, 111 (6), 068302,(2013), [pdf]
2. G. Liu, H. Sun, S. Rangou, K. Ntetsikas, A. Avgeropoulos and S.Q. Wang*,
Studying the origin of "strain hardening": basic difference between extension and shear,
Journal of Rheology, 57 (1), 89-104, (2013), [pdf] Most Cited Articles in 2013
1. G. Liu, and S.Q. Wang*, A Particle Tracking Velocimetric Study of Stress Relaxation Behavior of Entangled Polystyrene Solutions after Stepwise Shear,
Macromolecules, 45 (16), 6741-6747, (2012), [pdf]
C1. S.Q. Wang*, G. Liu, S. Cheng, P. E. Boukany, Y.Y. Wang, X. Li,
Letter to the Editor: Sufficiently entangled polymers do show shear strain localization at high enough Weissenberg numbers
Journal of Rheology, 58 (4), 1059-1069, (2014)
C2. H. Sun, G. Liu, K. Ntetsikas, A. Avgeropoulos, and S.Q. Wang*,
Rheology of entangled polymers not far above glass transition temperature: transient elasticity and inter-segmental viscous stress
Macromolecules, 47 (16), 5839-5850, (2014)
C3. H. Sun, P. Lin, G. Liu, K. Ntetsikas, A. Avgeropoulos, K. Misichronis, N. Kang, J. Liu, J. Mays, and S.Q. Wang*,
Failure behavior after stepwise uniaxial extension of entangled polymer melts
Journal of Rheology, 59 (3), 751-767, (2015)
C4. S. Cheng, Y. Lu, G. Liu, and S.Q. Wang*,
Finite cohesion due to chain entanglement in polymer melts,
Soft Matter, 12 (14), 3340-3351, (2016)
Fulltext Access Community:
https://www.researchgate.net/profile/Gengxin_Liu/
https://uakron.academia.edu/GengxinLIU
Presentations:
2017 Oral, The Society of Rheology 89th annual meeting, Denver, CO
2017 Poster, UMass Summer School on Soft Solids and Complex Fluids, Amherst, MA
2016 Oral, 12th National Graduate Research Polymer Conference, Akron, OH
2014 Oral, The Society of Rheology 86th annual meeting, Philadelphia, PA
Oral, 30th International Conference of Polymer Processing Society (PPS-30), Cleveland, OH
2014 Oral, American Physical Society (APS) March meeting, Denver, CO
Poster, Active Fluids: Bridging Complex Fluids and Biofluids, Aspen Center for Physics, CO
2014 Poster, Gordon Conference and Seminar: Colloidal, Macromolecular & Polyelectrolyte Solutions, Ventura, CA
2013 Oral, The Society of Rheology 85th annual meeting, Montreal, Canada
2013 Oral, American Physical Society March meeting, Baltimore, MD
2012 Oral and Poster, The Society of Rheology 84th annual meeting, Pasadena, CA
Poster, American Institute of Chemical Engineers (AIChE) Annual Meeting, Pittsburg, PA
2012 Oral, American Physical Society March meeting, Boston, MA
2011 Oral, The Society of Rheology 83rd annual meeting, Cleveland, OH
Codes that I use:
1. Pom-Pom model, and with drag strain coupling, shear and extension
as in G. LIU, etc. PRL, 2013
2. BSW model, to fit and plot SAOS , multi modes
as in G. LIU, etc. Polymer, 2013
as in G. LIU, etc. Polymer, 2013
Funding
NSFC
NSF award DMR-1105135, Shi-Qing Wang, Aug. 2011 - Jul. 2016
Nonlinear Dynamics of Entangled Polymers with Well-controlled Long-chain Branching
http://www.nsf.gov/awardsearch/showAward?AWD_ID=1105135
NSF award DMR-1408872, Stephen Z. Cheng, Apr. 2014 - Apr. 2019
Precisely Functionalized Molecular Nanoparticles are Fundamental and Unique Elements for Macromolecular Science