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Volumn 42, Issue 15, 2009, Pages 5829-5842

Microscopic mechanisms of strain hardening in glassy polymers

Author keywords

[No Author keywords available]

Indexed keywords

CHAIN STRETCHING; CONNECTIVITY CONSTRAINTS; EFFECTIVE STIFFNESS; FINITE EXTENSIBILITY; GLASSY POLYMERS; KUHN LENGTHS; MECHANICAL STRAIN; MICROSCOPIC MECHANISMS; MOLECULAR DYNAMICS SIMULATIONS; NEW MECHANISMS; PARTICLE DISPLACEMENT; POLYMER GLASS; RATE INCREASE; STERIC HINDRANCES; STRAIN-HARDENING MODULUS; WORMLIKE CHAIN;

EID: 68549121131     PISSN: 00249297     EISSN: None     Source Type: Journal    
DOI: 10.1021/ma802709d     Document Type: Article
Times cited : (47)

References (72)
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    • See the Supporting Information paragraph
    • See the Supporting Information paragraph.
  • 35
    • 68549103917 scopus 로고    scopus 로고
    • Although in uniaxial extension with zero external pressure the von Mises stress 71 equals the tensile stress, the fluctuations in the latter are higher for our simulations and we prefer to use the von Mises stress instead
    • Although in uniaxial extension with zero external pressure the von Mises stress 71 equals the tensile stress, the fluctuations in the latter are higher for our simulations and we prefer to use the von Mises stress instead.
  • 42
    • 68549132156 scopus 로고    scopus 로고
    • Another definition of the nonaffine displacement is to compare the actual coordinate r(t0 +t) with the affinely transformed coordinate at some initial time t0 at zero strain, Faff. r(t0).17 Here Fcarret is the macroscopic deformation tensor.72 Then one can construct a different nonaffine displacement Dna(t)2, 〈(r(t0, t, F=aff.r(t0))2〉 The reason that we prefer the presented definition is illustrated by the following. Assume that a particle is initially situated in the origin at t0 and that afterwards uniaxial extension starts. Assume further that it makes only one nonaffine jump from the origin to a new position in the extension direction, e.g, at t1, and moves affinely afterwards. The nonaffine displacement of this particle therefore only takes place at t1. Neverth
    • 2〉 will not increase further, and therefore plastic events occurring in the initial stages of deformation will not be blown up.
  • 47
    • 68549124947 scopus 로고    scopus 로고
    • refl, §5.2.7
    • refl., §5.2.7.
  • 55
    • 55149114217 scopus 로고    scopus 로고
    • Mulder, T.; Harmandaris, V. A.; V., L. A.; van der Vegt, N. F. A.; Vorselaars, B.; J., M. M. A. Macromol. Theory Simul. 2008, 17, 290-300.
    • Mulder, T.; Harmandaris, V. A.; V., L. A.; van der Vegt, N. F. A.; Vorselaars, B.; J., M. M. A. Macromol. Theory Simul. 2008, 17, 290-300.
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    • Mulder, T.; Harmandaris, V. A.; Lyulin, A.; van der Vegt, N. F. A.; J., M. M. A. Macromol. Theory Simul. 2008, 17, 393-402.
    • Mulder, T.; Harmandaris, V. A.; Lyulin, A.; van der Vegt, N. F. A.; J., M. M. A. Macromol. Theory Simul. 2008, 17, 393-402.
  • 69
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    • Cifra, P.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.