Selected Publications:

PDF "How and Why Polymer Glasses Lose Their Ductility Due to Plasticizers" Yue Zhao, Jianning Liu, Xiaoxiao Li, Yue Lu, and Shi-Qing Wang. Macromolecules, Article ASAP
PDF "Entangled Linear Polymer Solutions at High Shear: From Strain Softening to Hardening." Liu, Gengxin, and Shi-Qing Wang. Macromolecules (2016).

PDF "Delineating nature of stress responses during ductile uniaxial extension of polycarbonate glass." Lin, Panpan, Jianning Liu, and Shi-Qing Wang. Polymer 89 (2016): 143-153.

PDF "Finite cohesion due to chain entanglement in polymer melts.Cheng", S., Lu, Y., Liu, G., & Wang, S. Q. Soft matter, 12(14), 3340-3351. (2016).
PDF "Nonlinear stress relaxation behavior of ductile polymer glasses from large extension and compression". Liu, J., Lin, P., Li, X., & Wang, S. Q. Polymer, 81, 129-139. (2015). 
PDF "Shear banding in entangled polymers in the micron scale gap: a confocal-rheoscopic study". Boukany, P. E., Wang, S. Q., Ravindranath, S., & Lee, L. J. (2015). Soft Matter, 11(41), 8058-8068.
PDF "Mapping Brittle and Ductile Behaviors of Polymeric Glasses under Large Extension." Li, Xiaoxiao, and Shi-Qing Wang. ACS Macro Letters 4.10 (2015): 1110-1113.
PDF "Erratum: Nonisothermal condition in past melt extension experiments." Lin, Panpan, and Shi-Qing Wang. Journal of Rheology 59.5 (2015): 1329-1334.
PDF "Failure behavior after stepwise uniaxial extension of entangled polymer melts". Sun, H., Lin, P., Liu, G., Ntetsikas, K., Misichronis, K., Kang, N., ... & Wang, S. Q.  Journal of Rheology, 59(3), 751-767.(2015).
PDF "Polystyrene Glasses under Compression: Ductile and Brittle Responses". Liu, J., Lin, P., Cheng, S., Wang, W., Mays, J. W., & Wang, S. Q. ACS Macro Letters, 4(10), 1072-1076. (2015).
PDF "Nonlinear rheology of entangled polymers at turning point." Wang, Shi-Qing. Soft Matter 11.8 (2015): 1454-1458.
PDF  "A phenomenological molecular model for yielding and brittle-ductile transition of polymer glasses". Wang, S. Q., Cheng, S., Lin, P., & Li, X.The Journal of chemical physics, 141(9), 094905 (2014).
PDF "Strain Hardening During Uniaxial Compression of Polymer Glasses." Lin, Panpan, Shiwang Cheng, and Shi-Qing Wang. ACS Macro Letters 3.8 (2014): 784-787.
PDF "Rheology of Entangled Polymers Not Far above Glass Transition Temperature: Transient Elasticity and Intersegmental Viscous Stress". Sun, H., Liu, G., Ntetsikas, K., Avgeropoulos, A., & Wang, S. Q. Macromolecules, 47(16), 5839-5850. (2014). 
PDF "Letter to the Editor: Sufficiently entangled polymers do show shear strain localization at high enough Weissenberg numbers". Wang, S. Q., Liu, G., Cheng, S., Boukany, P. E., Wang, Y., & Li, X. Journal of Rheology, 58(4), 1059-1069. (2014).
PDF "Elastic yielding after cold drawing of ductile polymer glasses." Cheng, Shiwang, and Shi-Qing Wang. Macromolecules 47.11 (2014): 3661-3671.
PDF "Long-chain branched polymers to prolong homogeneous stretching and to resist melt breakup". Liu, G., Ma, H., Lee, H., Xu, H., Cheng, S., Sun, H., ... & Wang, S. Q. , Polymer, 54(24), 6608-6616.(2013)
PDF  "Strain hardening in startup shear of long-chain branched polymer solutions", G. X. Liu et al., Phys. Rev. Lett. 110, 068302 (2013).
PDF  "Evolution of chain conformation and entanglements during startup shear", Y. Y. Lu, L. J. An, S. Q. Wang and Z. G. Wang, ACS Macro Lett. 2, 561 (2013).

PDF  "Crazing and strain localization of polycarbonate glass in creep", S. W. Cheng, L. Johnson, S. Q. Wang, Polymer 54, 3363 (2013).

PDF  "Breakdown of time-temperature equivalence in startup uniaxial extension of entangled polymer melts", H. Sun and S. Q. Wang, Macromolecules 46, 4151 (2013).

PDF  "New experiments for improved theoretical description of nonlinear rheology" Wang, S.Q, Y. Wang, S. Cheng,  X. Li, X. Zhu, H. Sun, Macromolecules, 46(8), 3147-3159 (2013).

PDF  ""Elastic yielding in cold drawn polymer glasses well below the glass transition temperature", S. W. Cheng and S. Q. Wang, Phys. Rev. Lett. 110, 065506 (2013).

PDF  "Studying the origin of "strain hardening": Basic difference between extension and shear" G. Liu, H. Sun and S. Q. Wang etal J. Rheol. 57(1): 89-104 (2013).

PDF  "Mechanisms for different failure modes in startup uniaxial extension: Tensile (rupture-like) failure and necking" X. Zhu and S. Q. Wang , J. Rheol. 57(1): 223-248 (2013).

PDF  "Exploring shear yielding and strain localization at the die entry during extrusion of entangled melts" X. Zhu, W. Yang and S. Q. Wang , J. Rheol. 57(1): 349-364 (2013).

PDF  "Is shear banding a metastable property of well-entangled polymer solutions?" S. Cheng and S. Q. Wang , J. Rheol. 56(6): 1413-1428 (2012).

PDF  "A particle tracking velocimetric study of stress relaxation behavior of entangled polystyrene solutions after stepwise shear", G. X. Liu and S. Q. Wang, Macromolecules 45, 6741 (2012).

PDF  "Shear and extensional rheology of entangled polymer melts: similarities and differences", H. Sun and S. Q. Wang, Sci. China Chem. 55, 779 (2012).

PDF  "Characterizing state of chain entanglement in entangled polymer solutions during and after large shear deformation", Y. Y. Wang, X. Li, X. Z. Zhu and S. Q. Wang, Macromolecules, 45, 2514 (2012).

PDF  "How Melt-Stretching Affects Mechanical Behavior of Polymer Glasses" G. D. Zartman, S. Cheng and S. Q. Wang , Macromolecules 45(16): 6719-6732 (2012).

PDF  "Entanglement-disentanglement transition free of edge effects" S. Ravindranath and S. Q. Wang (Unpublished)

PDF  "Homogeneous shear, wall slip and shear banding of entangled polymeric liquids in simple-shear rheometry: a roadmap of nonlinear rheology", S. Q. Wang, S. Ravindranath and P. E. Boukany, Perspective, Macromolecules 44, 183–190 (2011).

PDF  "How polymeric solvents control shear inhomogeneity in large deformations of entangled polymer mixtures", S Ravindranath, S. Q. Wang, M. Olechnowicz, V.S. Chavan, and R. P. Quirk, Rheol. Acta, 50,97-105 (2011).

PDF  "Studying Steady Shear Flow Characteristics of Entangled Polymer Solutions with Parallel   Mechanical Superposition", X. Li and S. Q. Wang, Macromolecules, 43 (13), 5904-5908 (2010).

PDF  "Molecular Imaging of Slip in Entangled DNA Solution", P.E. Boukany, O. Hemminger, S. Q.Wang, and L. J. Lee,Phys. Rev. Lett. 105, 027802, (2010).

PDF  "Flow pattern and molecular visualization of DNA solutions through a 4:1 planar micro-contraction", O.L. Hemminger, P.E. Boukany,S.Q. Wang,and L. J. Lee, J. Non-Newtonian Fluid Mech.165(23), 1613–1624 (2010)

PDF  "Elastic yielding after step shear and during LAOS in the absence of meniscus failure", X. Li and S. Q. Wang, Rheol. Acta 49,985-991 (2010).

PDF "Shear Banding or Not in Entangled DNA Solutions", P. E. Boukany and S. Q. Wang, Macromolecules, 43(17),6950-6952,2010

PDF "Exploring stress overshoot phenomenon upon startup deformation of entangled linear polymeric liquids", Y. Wang and S.Q. Wang, J. Rheol., 53, 1389 (2009)

PDF "Step Shear of Entangled Linear Polymer Melts: New Experimental Evidence for Elastic Yielding", P. E. Boukany, S. Q. Wang and X. R. Wang, Macromolecules, 42 (16), 6261-6269(2009)

PDF  Universal scaling behavior in startup shear of entangled linear polymer melts", P. E. Boukany and S. Q. Wang, J. Rheol. 53, 617 (2009)

PDF  "Exploring Origins of Interfacial Yielding and Wall Slip in Entangled Linear Melts during Shear or after Shear Cessation", P. E. Boukany and S. Q. Wang, Macromolecules,42, 2222 (2009)

PDF  "From elastic deformation to terminal flow of a monodisperse entangled melt in uniaxial extension", Y. Wang and S. Q. Wang, J. Rheol. 52, 1275 (2008).

PDF  "Use particle-tracking velocimetric and flow birefringence to study nonlinear flow behavior of entangled wormlike micellar solution", P. E. Boukany and S. Q. Wang, Macromolecules, 41 (4), 1455 (2008).

PDF  "Steady state measurements in stress plateau region of entangled polymer solutions:  Controlled-rate and controlled-stress modes", S. Ravindranath and S. Q. Wang, J. Rheol. 52, 957 (2008)

PDF  "What are the origins of stress relaxation behaviors in step shear entangled polymer solutions", S. Ravindranath and S. Q. Wang, Macromolecules,40, 8031(2007).

PDF  "On chain statistics and entanglement of flexible linear polymer melts", S. Q. Wang,   Macromolecules, 40, 8684 (2007)

PDF  "New theoretical considerations in polymer rheology: Elastic breakdown of chain entanglement network" ,S. Q. Wang, S. Ravindranath,Y. Wang P. Boukany, J. Chem. Phys,127,064903(2007).

PDF  "Elastic breakup in uniaxial extension of entangled polymer melts",Y. Wang, S. Q. Wang, P.Boukany and X. Wang Phys. Rev. Lett. 99, 237801, (2007).

PDF  "A coherent description of nonlinear flow behavior of entangled polymers as related to   processing and numerical simulations", S. Q. Wang, Feature Article, Macromol. Mater. Eng, 292,15(2007).

PDF  "Non-quiescent relaxation in entangled polymeric liquids after step shear", S. Q. Wang, S.Ravindranath, P. E. Boukany, M. Olechnowicz, R. P. Quirk, A. Halasa and J. Mays, Phys. Rev.Lett., 97, 187801 (2006).

PDF   "Banding in shear oscillation of entangled fluids", P. Tapadia, S. Ravindranath and S. Q. Wang, Phys. Rev. Lett. 96, 196001 (2006).

PDF  "Direct visualization of continuous simple shear in non-Newtonian polymeric fluids", P. Tapadia and S. Q. Wang, Phys. Rev. Lett. 96, 016001 (2006).

PDF   "Nonlinear flow behavior of entangled polymer solutions: yield like entanglement-disentanglement transition" P. Tapadia and S.  Q. Wang Macromolecules, 37 (24), 9083(2004).

PDF   "Yield like constitutive transition in shear flow of entangled polymeric fluids", P. Tapadia and S.Q. Wang, Phys. Rev. Lett., 91, 198301, (2003).

PDF   "Chain dynamics in entangled polymers: diffusion vs rheology and their comparison", S. Q.Wang, Highlight Article, J. Polym. Sci. Polym. Phys., 41, 1589 (2003).

PDF  "Molecular transitions and dynamics at polymer/wall interfaces: origins of flow instabilities and wall slip", S. Q. Wang, Review Article, Adv. Polym. Sci., 138, 227 (1999).

PDF  "Experimental study of interfacial and constitutive phenomena in fast flow. 1. Interfacial instabilities of monodisperse polybutadiene", X. Yang, H. Ishida and S. Q. Wang, Rheol. Acta 37, 415 (1998).

PDF   "Molecular instabilities in capillary flow of polymer melts: interfacial stick-slip transition, wall slip and extrudate distortion", S. Q. Wang and P. A. Drda, Feature Article, Macromol. Chem.and Phys., 198, 673-701 (1997).

PDF  "Superfluid-like stick-slip transition in capillary flow of polyethylene. 1. general features", S. Q.Wang and P. A. Drda, Macromolecules, 29, 2627 (1996).

PDF  "Stick-slip transition at polymer melt/solid interfaces", P. A. Drda and S. Q. Wang, Phys. Rev.Lett. 75, 2698 (1995).

PDF  "Rheological and flow birefringence studies of a shear-thickening complex fluid-a micellar model system", Y. Hu, S. Q. Wang and A. Jamieson, J. Rheol. 37, 531 (1993).

PDF  "A transient network theory for shear-thickening fluids and physically cross-linked networks", S. Q. Wang, Macromolecules, 25, 7003 (1992).

Subset of papers on nonlinear polymer rheology

Subset of papers on molecular mechanics of polymer glasses

List of all publications