Department of Chemical Engineering, Texas Tech University, Lubbock, TexasWelcome to Greg McKenna's 'Polymers and Condensed Matter Physics Group'

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Publications

For a copy of these articles, mail your request to greg.mckenna@ttu.edu  

2009

77 M. Alcoutlabi, S. G. Baek, J. J. Magda, X. Shi, S. A. Hutcheson and G. B. McKenna, “A comparison of three different methods for measuring both normal stress differences of viscoelastic liquids in torsional rheometer,” Rheol. Acta, 48, 191-200 (2009). [ DOI 10.1007/s00397-008-0330-z,(online)].

76G.B.McKenna, T. Narita and F. Lequeux, “Soft Colloidal Matter: A Phenomenological Comparison of the Aging and Mechanical Responses with Those of Molecular Glasses,” J. Rheol., 53, 489-516 (2009).

75.  Y. Meng, P. Bernazzani, P.A. O’Connell, G.B. McKenna and S.L. Simon, “A New Pressurizable Dilatometer for Measuring the Time-Dependent Bulk Modulus and PVT Properties of Polymeric Materials,” Rev. Sci. Instr., 80, 053903 (2009).

74.  Q.X.  Li, S.A. Hutcheson, G.B. McKenna and S.L. Simon, “Viscoelastic properties and residual stresses in polyhedral oligomeric silsesquioxane-reinforced epoxy matrices,” J. Polym. Sci. Part B. Polym. Phys. Ed., 46, 2719-2732 (2008).

73.  S.L. Simon and G.B. McKenna, “Experimental Evidence Against the Existence of an Ideal Glass Transition,” J. Non-Crystalline Solids, 355, 672-675 (2009).

72. G.B. McKenna, “A Brief Discussion: Thermodynamic and Dynamic Fragilities, Non-divergent Dynamics and the Prigogine-Defay Ratio,” J. Non-Cryst. Solids, 355, 663-671 (2009).

2008

71. S.A. Hutcheson and G.B. McKenna, “The measurement of mechanical properties of glycerol, m-toluidine,  and sucrose benzoate under consideration of corrected rheometer compliance: An in-depth study and review,” J. Chem. Phys., 129, 074502-1 – 07452-14 (2008).

70. G.B. McKenna, “Diverging views on glass transition,” Nature Physics, 4, 673-674 (2008).

69. J. Wu and G.B. McKenna, “Anomalous Melting Behavior of Cyclohexane and Cyclooctane in Poly(dimethyl siloxane) Precursors and Model Networks,” J. Polym. Sci. Part B. Polym. Phys. Ed., 46, 2779-2791 (2008).

68. O’Connell P.A., Hutcheson S.A and McKenna G.B., “Creep Behavior of Ultra-Thin Polymer Films”, J. Poly Sci Part B. Poly Phys, 46(18), 1952-1965 (2008).

67. O’Connell P.A. and McKenna G.B., “A novel nanobubble inflation method for determining the viscoelastic properties of ultrathin polymer films, Scanning, 30(2), 184-196 (2008).

2007

66. Y. Yuan, H. C. Zhang, G.B. McKenna, C. Korzeniewski, J. Li, L. D. Marrufo, “Experimental studies of cryogenic recycling of cryogenic circuit boards,” Int. J. Advanced Manufacturing Technol., 34, 657-666 (2007).

65. Q. Qin, X. Shi and G.B. McKenna, “Mechanical holeburning spectroscopy in an SIS tri-block copolymer,” J. Polymer Science. Part B.: Polymer Physics, 46, 3277-3284 (2007).

64. O’Connell P.A. and McKenna G.B. A novel nano-bubble inflation method for determining the viscoelastic properties of ultrathin polymer films, Rev. Sci. Inst., 78 013901 (2007).

63.  C.Sui, G.B. McKenna and J. Puskas, “Nonlinear viscoelastic response of dendritic (arborescent) polyisobutylenes in single and reversing double-step shearing flows,” J. Rheol., 51, 1143-1169 (2007).

62. S.A. Hutcheson and G.B. McKenna, "Comment on “The properties of free polymer surfaces and their influence on the glass transition temperature of thin polystyrene films” by J.S. Sharp, J.H. Teichroeb and J.A. Forrest," Eur. Phys. J. E 22 , 281–286 (2007).

61. C.Sui and G.B.McKenna, "Nonlinear viscoelastic properties of branched polyethylene in reversing flows", Journal of Rheology, 513, 341-365 May/June 2007.

60. G.B.McKenna, "ConfitIII. Summary and perpectives on dynamics in confinement", European Physical Journal-Special Topics 141:291-301 Feb 2007.

59. Changping Sui and G.B.McKenna, "Instability of entangled Polymers in cone and plate rheometry", Rheological Acta, DOI10.1007/s00397-007-0169-8 (2007).

2006

58. Q. Qin and G.B. McKenna, "Melting of Solvents Nanoconfined by Polymers and Networks", Journal of Polymer Science: Part B: Polymer Physics, 44, 3475–3486 (2006).

57. Y.P. Koh, G.B. McKenna and S.L. Simon, "Calorimetric Glass Transition Temperature and Absolute Heat Capacity of Polystyrene Ultrathin Films", Journal of Polymer Science: Part B: Polymer Physics, 44, 3518–3527 (2006).

56. A.Mandanici, R.Richert, M.Cutroni, X.Shi, S.A.Hutcheson, and G.B.McKenna, "Relaxational features of supercooled and glassy m-toluidine", Journal of Non-Crystalline Solids, 352, 4729-4734 (2006).

55. A.Mandanici, X.Shi, S.A.Hutcheson, G.B.McKenna, M.Cutroni, and S.Giamb, "Mechanical response of a simple molecular glass former in the glass transition region", Materials Science and Engineering, A, 432, 299-302 (2006).

54. Qian Qin, G.B.McKenna, "Correlation between dynamic fragility and glass transition temperature for di.erent classes of glass forming liquids", Journal of Non-Crystalline Solids, 352, 2977-2985 (2006).

53. O'Connell PA, G.B.McKenna, "Dramatic stiffening of ultrathin polymer films in the rubbery regime", European Physical Journal E20 (2):143-150 June 2006.

52. M.Lee, M.Alcoutlabi, J.J.Magda, C.Dibble, M.J.Solomon, X.Shi, G.B.McKenna, "The effect of the shear-thickenning transition of model colloidal spheres on the sign of N1 and on the radial pressure profilein torsional shear flows", Journal of Rheology, 50(3), 293-312 (2006).

51. G.B.McKenna, "Commentary on rheology of polymers in narrow gap", European Physical Journal E, 19(1), 101-108 (2006).

50. M.Merzlyakov, G.B.McKenna, S.L.Simon, "Cure induced and thermal stresses in a constrained epoxy resin", Composites Part A: Applied Science and Manufacturing, 37(4), 585-591 (2006).

49. Lameck Banda, M.Alcoutlabi, G.B.McKenna, "Errors induced in quartz crystal mass uptake measurements by nongravimetric effects: Considerations beyond the EerNisse caution", Journal of Polymer Science Part B: Polymer Physics, 44(5), 801-814 (2006).

48. X.Shi, G.B.Mckenna, "Mechanical hole-burning spectroscopy: Demonstration of hole burning in terminal relaxation regime", Physical Review B, 73, 0142303-1-014103-11 (2006).

2005

47. X.Shi, A.Mandanici, G.B.McKenna, "Shear stress relaxation and physical aging study on simple glass-forming materials", Journal of chemical Physics, 123(17), 174507-1-174507-12 (2005).

46. M.Merzlyakov, S.L.Simon, G.B.McKenna, "Instrumented thick-walled tube method for measuring thermal pressure in fluids and isotropic stresses in thermosetting resins", Review of Scientific Instruments, 76(6), 063904 (2005).

45. A.Flory, G.B.McKenna, "Chemical structure-Normal relationships in polymer glasses", 46(14), 5211-5217 (2005).

44. P.A.O'Connell, G.B.McKenna, "Rheological measurements of the thermoviscoelastic response of ultra thin polymer films", Science, 307, 1760-1766 (2005).

43. S.A.Hutcheson, G.B.McKenna, "Nanosphere embedding into polymer surfaces: A viscoelastic contact mechanics analysis", Physical Review Letters, 94, 076103-1-076103-4 (2005).

42. A.Flory, G.B.Mckenna, "Microscopic origins of the normal force responses of glassy polymers in the subyield range of deformation", Macromolecules, 38(5), 1760-1766 (2005).

41. X.Shi, G.B.Mckenna, "Mechanical hole burning specroscopy: Evidence for heterogeneous dynamics in polymer systems", Physical Review Letters, 94, 157801-1-157801-4 (2005).

40. A.Mandanici, X.Shi, G.B.McKenna, M.Cutroni, "Slow dynamics of supercooled m-toludine investigated by mechanical spectroscopy", Journal of Chemical Physics, 122, 114501-1-114501-6 (2005).

39. M.Alcoutlabi, G.B.McKenna, "Effects of confinement on material behavior at the nanometer size scale", Journal of Physics: Condensed Matter, 17, R461-R524 (2005).

38. D.Huang, S.L.Simon, G.B.McKenna, "Chain length dependence of the thermodynamic properties of linear and cyclic alkanes and polymers", Journal of Chemical Physics, 122, 084907-1-084907-6 (2005).

2004

37. A.Flory, G.B.McKenna, "Finite step rate corrections in stress relaxation experiments: A comparison of two methods", Mechanics of Time-Dependent Materials, 8, 17 (2004).

36. M.Alcoutlabi, Lameck Banda, G.B.McKenna, "A comparison of concentration-glasses and temperature-hyperquenched glasses: CO2 formed versus temperature formed glass", Polymers, 45, 5629 (2004).

35. Y.Zheng, R.D.Priestley, G.B.McKenna, "Physical aging of an epoxy subsequent to relative humidity jumps through the glass concentration", Journal of Polymer Science Part B: Polymer Physics, 42, 2107-2121 (2004).

34. Mikhail Merzlyakov, Yan Meng, S.L.Simon, G.B.McKenna, "Instrumented sphere method for measuring thermal pressure in fluids and isotropic stresses and reaction kinetics in thermosetting resins", Review of Scientific Instruments, 75(10), 3327-3334 (2004).

2003

33. P.A.O'Connel, M.J.Bonner, R.A.Duckett, I.M.Ward, "Effects of molecular weight and branch contension the creep behavior of oriented polyethylene", Journal of Applied Polymer Science, 89(6), 1663-1667 (2003).

32. S.L.Simon, P. Bernazzani, G.B.McKenna, "Effects of freeze-drying on the glass temperature of cyclic polystyrenes", Polymer, 44(26), 8025-8032 (2003).

31. G.B.McKenna, "Status of our understanding of dynamics in confinement: Perspectives from confit 2003", European Physical Journal E, 12, 191-194 (2003).

30. M.Alcoutlabi, G.B.McKenna, S.L.Simon, "Analysis of the development of isotropic residual stresses in a bismaleimide/spiro-orthocarbonate thermosetting resin for composite materials", Journal of Applied Polymer Science, 88(1), 227-244 (2003).

29. D.Huang, S.L.Simon, G.B.McKenna, "Equilibrium heat capacity of the glass-forming poly(a-methyl styrene) far below the Kauzmann temperature: The case of the missing glass transition", Journal of Chemical Physics, 119, 3590-3593 (2003).

28. G.B.McKenna, "Mechanical rejuvenation in polymer glasses: Fact or fallacy?", Journal of Physics: Condensed Matter, 15, S737-S763 (2003).

27. Y.Zheng, G.B.McKenna, "Structural recovery in a model epoxy: Comparison of responses after temperature and relative humidity jumps", Macromolecules, 36(7), 2387-2396 (2003).

2002

26. Y.Zheng, S.L.Simon, G,B.McKenna, "Modeling structural recovery in glasses: Analysis of the peak shift method", Journal of Polymer Science Part B: Polymer Physics, 40(18), 2027-2036 (2002).

25. M.Alcoutlabi, Francesco Briatico-Vangosa, G.B.McKenna, "Effect of chemical activity jumps on the viscoelastic behavior of an epoxy resin: physical aging response in carbon dioxide pressure jumps", Journal of Polymer Science PartB: Polymer Physics, 40(18), 2050-2064 (2002).

24. P.A.O'Connell, G.B.McKenna, "The non-linear viscoelastic response of polycarbonate in torsion: An investigation of time-temperature and time-strain superposition", Mechanics of Time Dependent materials, 6, 207-229 (2002).

23. P.A.O'Connell, R.A.Duckett, I.M.Ward, "Brittle-ductile transitions in polyethylene", Polymer Engineering and Science, 42(7), 1493-1508 (2002).

22. S.L.Simon, J.Y.Park, G.B.McKenna, "Enthalphy recovery of a glass-forming liquid constrained in a nanoporous matrix: Negative pressure effects", European Physical Journal E: Soft Matter, E8, 209-216 (2002).

21. D.Huang, D.M.Colucci, G.B.McKenna, "Dynamic fragility in polymers: A comparison in isobaric and isochoric conditions", Journal of Chemical Physics, 116, 3925-3934 (2002).

20. C.R.Schultheisz, G.B.McKenna, "Nonlinear viscoelastic analysis of the torque, axial normal force, and volume change measured simultaneously in the National Institute of Standards and Technology torsional dialtometer", Journal of Rheology, 46(4), 901-925 (2002).

2001

19. D.Huang, G.B.McKenna, "New insights into the fragility dilemma in liquids", Journal of Chemical Physics, 114, 5621-5630 (2001).

18. P.Prasatya, G.B.McKenna, S.L.Simon, "A viscoelastic model for predicting isotropic residual stresses in thermosetting materials: Effects of processing parameters", journal of Composite Materials, 35(10), 826-848 (2001).

17. G.L.Bradley, P.C.Chang, G.B.McKenna, "Rubber modelling using uniaxial test data", Journal of Applied Polymer Science, 81, 837-848 (2001).

2000

16. M.L.Cerrada, G.B.McKenna, "Stress relaxation of poly(ethylene naphthalate): Isothermal, isochronal and isostructural responses", Macromolecules, 33(8), 3065-3076 (2000).

15. C.A.Angell, K.L.Ngai, G.B.McKenna, P.F.McMillan, S.W.Martin, "Relaxation in glassforming liquids and amorphous solids", Journal of Applied Physics, 88, 3113-3157 (2000).

14. Y. Park, G.B.McKenna, "Size and confinement effects on the glass transition behavior of oTP/PS polymer solutions", Physical Review B, 61, 6667-6676 (2000).

13. G.B.McKenna, "Size and confinement effects in glass forming liquids: Perspectives on bulk and nanoscale behaviors", Journal de Physique, IV France, 10, Pr7, 53-57 (2000).

22. G.B.McKenna, "International workshop on dynamics in confinement: A personal summary", Journal de Physique, IV France, 10, Pr7, 343-346 (2000).

11. S.L.Simon, G.B.McKenna, "A quantitative analysis of errors in TMDSC in the glass transition region", Thermochimica Acta, 348, 77-89 (2000).

10. S.L.Simon, G.B.McKenna, O.Sindt, "Modelling the evolution of the dynamic mechanical properties of a commercial epoxy during cure after gelation", Journal of Applied Polymer Science, 76, 495-508 (2000).

9. G.B.McKenna, S.L.Simon, "Time dependent volume and enthalpy responses in polymers, in time dependent and nonlinear effects in polymers and composites, ed. by R,A,Shapery, C.T.Sun, American Society of Testing  and Materials, West Conshohocken, PA, Special Technical Publication, STP 1357, 18-46 (2000).

8. G.B.McKenna, S.L.Simon, "The glass transition: Its measurement and underlying physics", in Handbook of Thermal Analysis and Calorimetry, 3, ed. by S.Z.D.Cheng, Elsiver, Amsterdam (2000).

7. F.Horkay, G.B.McKenna, P.Deschamps, E.Geissler, "Neutron scattering properties of randomly cross-linked polyisoprene gels", Macromolecules, 33, 5215-5220 (2000).

6. M.Delin, G.B.McKenna,  "The craze growth response in stress relaxation conditions for a styrene-acrylonitrile copolymer during physical aging", Mechanics of Time Dependent Materials, 4, 231-255 (2000).

1999

5. G.B.McKenna et al, "The τ-Effective paradox revisited: An extended analysis of Kovacs volume recovery data on poly(vinyl acetate)", Polymer, 40, 5183-5205 (1999).

4. P.A.O'Connell, G.B.McKenna, "Arhenius-like temperature dependence of the segmental relaxation below Tg", Journal of Chemical Physics, 110, 11054-11060 (1999).

3. P.A.O'Connell, G.B.McKenna, "Large deformation response of polycarbonate: Time temperature and time aging time superposition", in Handbook  of Polycarbonate Science and Technology, ed. by D.G.LeGrand, J.T.Bendler, M.Dekker, New York, Chapter 10, 225-254 (1999).

2. S.L.Simon, G.B.McKenna, "Measurement of thermal conductivity using temperature -modulated differential scanning calorimetry: Solution to the heat flow problem", Journal of Reinforced Plastics and Composites, 18, 559-571 (1999).

1. W.H.Han, F.Horkay, G.B.McKenna, "A comparison of some rubber network models with stress-strain data on dry and swollen polymer rubbers", journal of Mathematics and Mechanics of Materials, 4, 139-167 (1999).

 


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