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Volumn 31, Issue 2, 1993, Pages 185-197

An investigation of the yield and postyield behavior and corresponding structure of poly(methyl methacrylate)

Author keywords

aging of PMMA, structural and mechanical changes in; glassy polymers, structural changes on aging of; Poly(methyl methacrylate), mechanical deformation and positron annihilation study of; positron annihilation spectroscopy of PMMA

Indexed keywords

AGING OF MATERIALS; DEFORMATION; MECHANICAL PROPERTIES; SPECTROSCOPIC ANALYSIS; THERMAL EFFECTS;

EID: 0027540142     PISSN: 08876266     EISSN: 10990488     Source Type: Journal    
DOI: 10.1002/polb.1993.090310207     Document Type: Article
Times cited : (233)

References (47)
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    • et al., Europhys.Conf.Abstr., Vol. 2F, Struct. Dyn. Polym.: Neutron Scattering Exp. New Theor. Approaches (1978).
    • Herchenroeder, P.1
  • 24
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    • Note that the local topological rearrangements accompanying relaxation and inelastic deformation are probably; indentical; in the latter case, however, the transformation strain increment is mechanically porlarized by the applied stress.
  • 25
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    • (eds), Positron Solid State Physics, Proceedings of the International School of Physics ‘Enrico Fermi,’
    • (1983)
    • Brandt, W.1    Duposquier, A.2
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    • 84995115468 scopus 로고
    • see also the reviews in the International Conference on Positron Annihilation (ICPA‐8), Positron Annihilation, L. Dorikens‐Vanpraet, M. Dorikkens‐Vanpraet, D. Segers, World Scientific, North‐Holland, Amsterdam
    • (1983)
  • 32
    • 84995005385 scopus 로고    scopus 로고
    • All the tests reported here are isothermal and additional effects such as thermal softening during high strain rate deformation have been excluded.
  • 34
    • 84995060292 scopus 로고    scopus 로고
    • Note that an additional jump test was performed using a different frequency of deformation ‘pulses’ and identical results were obtained.
  • 36
    • 84995023740 scopus 로고    scopus 로고
    • Machining and/or polishing specimens after heat treatment would provide an additional surface layer of potentially different properties and was not done.
  • 39
    • 84995104065 scopus 로고    scopus 로고
    • 8 reveal that a substantial portion of the work of deformation is actually stored in the material; he interprets this energy to be the elastic energy stored around shear transformation sites.
  • 45
    • 84995058871 scopus 로고    scopus 로고
    • α may correspond to a value for which the liquid‐like mobility regions percolate the full structure.
  • 46
    • 84995109629 scopus 로고    scopus 로고
    • Note that normal stress and strain data is modified for use with constitutive relations for shear deformation by invoking the concept of equivalent stress, and energy balance.
  • 47
    • 84995050918 scopus 로고    scopus 로고
    • M.Sc. thesis, MIT, Cambridge, MA (1991).
    • Hasan, O.A.1


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.