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Volumn 61, Issue 2, 2000, Pages 1755-1764

Capacitive scanning dilatometry and frequency-dependent thermal expansion of polymer films

Author keywords

[No Author keywords available]

Indexed keywords

DILATOMETERS; EXPERIMENTS; GLASS TRANSITION; POLYBUTADIENES; SEMICONDUCTING FILMS; THERMAL EXPANSION;

EID: 5244275864     PISSN: 1063651X     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevE.61.1755     Document Type: Article
Times cited : (82)

References (52)
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    • An excellent review containing numerous references is I. M. Hodge, J. Non-Cryst. Solids 169, 211 (1994).
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  • 5
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    • A good overview is given by the articles in Thermochim. Acta 304/305, (1997)
    • A good overview is given by the articles in Thermochim. Acta 304/305, (1997).
  • 9
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    • Inorganic glass-formers have also been studied. For a recent example, see R. Brüning and M. Sutton, Phys. Rev. B 49, 3124 (1994).
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    • Brüning, R.1    Sutton, M.2
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    • L. D. Landau and E. M. Lifshitz, Statistical Physics, Vol. 5 of Course of Theoretical Physics (Pergamon, Oxford, 1980)
    • L. D. Landau and E. M. Lifshitz, Statistical Physics, Vol. 5 of Course of Theoretical Physics (Pergamon, Oxford, 1980).
  • 18
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    • If time-reversal symmetry holds, one has (Formula presented) Thus the order of terms appearing in Eq. (2) may be interchanged
    • If time-reversal symmetry holds, one has (Formula presented) Thus the order of terms appearing in Eq. (2) may be interchanged.
  • 20
    • 85036342472 scopus 로고    scopus 로고
    • Here the equilibrium state is to be understood as the metastable melt and of course not the crystalline phase which in most cases will constitute the true equilibrium state close to (Formula presented)
    • Here the equilibrium state is to be understood as the metastable melt and of course not the crystalline phase which in most cases will constitute the true equilibrium state close to (Formula presented)
  • 21
    • 0021459132 scopus 로고
    • or Ref. 2
    • In fact, this expression is equivalent to the Vogel-Fulcher or WLF equation. It involves the fact that the thermal susceptibility is inversely proportional to temperature; see G. W. Scherer, J. Am. Ceram. Soc. 67, 504 (1984) or Ref. 2.
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    • Scherer, G.W.1
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    • L. D. Landau and E. M. Lifshitz, Theory of Elasiticity, Vol. 7 of Course of Theoretical Physics (Pergamon, Oxford, 1986)
    • L. D. Landau and E. M. Lifshitz, Theory of Elasiticity, Vol. 7 of Course of Theoretical Physics (Pergamon, Oxford, 1986).
  • 23
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    • For materials with (Formula presented) see, e.g., R. Lakes, Adv. Mater. 5, 293 (1993).
    • (1993) Adv. Mater. , vol.5 , pp. 293
    • Lakes, R.1
  • 24
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    • polymeric glasses, ν is rarely smaller than 0.3; see, e.g., W. D. Callister, Jr., Materials Science and Engineering—An Introduction (Wiley, New York, 1997)
    • In polymeric glasses, ν is rarely smaller than 0.3; see, e.g., W. D. Callister, Jr., Materials Science and Engineering—An Introduction (Wiley, New York, 1997).
  • 25
    • 85036376306 scopus 로고    scopus 로고
    • Other expressions may be used instead, but for the relatively small dielectric constants of interest here, this should make no significant difference
    • Other expressions may be used instead, but for the relatively small dielectric constants of interest here, this should make no significant difference.
  • 27
    • 85036167860 scopus 로고    scopus 로고
    • T. Bretz, diploma thesis, Fachhochschule Wiesbaden, 1996
    • T. Bretz, diploma thesis, Fachhochschule Wiesbaden, 1996.
  • 28
    • 85036182052 scopus 로고    scopus 로고
    • Taking typical values for K (≈ 1 GPa) and α (Formula presented) a temperature change of 1 K alters the pressure on the rigid capacitor plates by about 1 bar
    • Taking typical values for K (≈ 1 GPa) and α (Formula presented) a temperature change of 1 K alters the pressure on the rigid capacitor plates by about 1 bar.
  • 33
    • 0001328636 scopus 로고    scopus 로고
    • An approximate linearity of response up to oscillation amplitudes of 1–1.5 K was also observed in thermomodulated DSC experiments, J. E. K. Schawe and S. Theobald, J. Non-Cryst. Solids 235-237, 496 (1998)
    • (1998) J. Non-Cryst. Solids , vol.235-237 , pp. 496
    • Schawe, J.E.K.1    Theobald, S.2
  • 35
    • 85036149374 scopus 로고    scopus 로고
    • Since in the vicinity of (Formula presented) the slope of (Formula presented) is negative, outside of the dispersive range the experimentally determined phase lags are close to 180°
    • Since in the vicinity of (Formula presented) the slope of (Formula presented) is negative, outside of the dispersive range the experimentally determined phase lags are close to 180°.
  • 36
    • 0003774488 scopus 로고
    • edited by J. Brandrup and E. H. Immergut, Wiley, New York
    • Polymer Handbook, 2nd ed., edited by J. Brandrup and E. H. Immergut (Wiley, New York, 1975).
    • (1975) Polymer Handbook, 2nd ed.
  • 37
    • 0001300435 scopus 로고
    • The alternative set of parameters with (Formula presented)given in this reference yields somewhat less satisfactory agreement with our data shown in Fig. 99
    • I. M. Hodge, Macromolecules 20, 2897 (1987). The alternative set of parameters with (Formula presented)given in this reference yields somewhat less satisfactory agreement with our data shown in Fig. 99.
    • (1987) Macromolecules , vol.20 , pp. 2897
    • Hodge, I.M.1
  • 38
    • 0017104476 scopus 로고
    • For previous comparisons of dilatometric and calorimetric responses, see, e.g., C. T. Moynihan , Ann. (N.Y.) Acad. Sci. 279, 15 (1976)
    • (1976) Ann. (N.Y.) Acad. Sci. , vol.279 , pp. 15
    • Moynihan, C.T.1
  • 44
    • 0001757063 scopus 로고    scopus 로고
    • performed a similar comparison for PS using modulated calorimetry
    • A. Hensel and C. Schick, J. Non-Cryst. Solids 235-237, 510 (1998) performed a similar comparison for PS using modulated calorimetry.
    • (1998) J. Non-Cryst. Solids , vol.235-237 , pp. 510
    • Hensel, A.1    Schick, C.2
  • 52
    • 0015728769 scopus 로고
    • From their Table 2 we find for the loss-peak amplitude (Formula presented) normalized by the dispersion step (Formula presented) that (Formula presented) for (Formula presented)
    • C. T. Moynihan, L. P. Boesch, and N. L. Laberge, Phys. Chem. Glasses 14, 122 (1973). From their Table 2 we find for the loss-peak amplitude (Formula presented) normalized by the dispersion step (Formula presented) that (Formula presented) for (Formula presented)
    • (1973) Phys. Chem. Glasses , vol.14 , pp. 122
    • Moynihan, C.T.1    Boesch, L.P.2    Laberge, N.L.3


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.