Compression yielding of epoxy: Strain rate and temperature effect

被引：57
作者：
Gomez-del Rio, T. [1 ]
Rodriguez, J. [1 ]
机构：
[1] Univ Rey Juan Carlos, Dept Tecnol Mecan, Madrid 28933, Spain
来源：
MATERIALS & DESIGN | 2012年 / 35卷
关键词：
Polymer: thermosets; Impact; Mechanical; THERMOSETTING RESINS; CONSTITUTIVE MODEL; AMORPHOUS POLYMERS; GLASS-TRANSITION; IMPACT RATES; DEFORMATION; BEHAVIOR; STRESS;
D O I：
10.1016/j.matdes.2011.09.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The response to compressive mechanical loading of the thermosetting system epoxy polymer based on diglycidyl ether of bisphenol A (DGEBA) and an aromatic amine hardener, 4,4'-methylenedianiline (DDM) has been experimentally investigated as a function of strain rate and temperature, ranging from 0.0025 to 2500 s (1) and from room temperature to 100 degrees C, all below the glass transition temperature. Results showed that both the elastic modulus and the compression strength of the material significantly increased with strain rate and decreased with temperature. Quasi-static tests, performed in electromechanical machines, and dynamic tests, carried out in a Hopkinson bar, were compared and simultaneously analyzed to generate a master curve representative of the material yielding, assuming the strain rate-temperature superposition principle. Experimental data were fitted to equations based on thermally activated models for polymers. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：369 / 373
页数：5
相关论文
共 21 条
  • [1] TENSILE YIELD-STRESS BEHAVIOR OF GLASSY POLYMERS
    BAUWENSC.C
    BAUWENS, JC
    HOMES, G
    [J]. JOURNAL OF POLYMER SCIENCE PART A-2-POLYMER PHYSICS, 1969, 7 (4PA2) : 735 - &
  • [2] Deformation of thermosetting resins at impact rates of strain. Part 2: constitutive model with rejuvenation
    Buckley, CP
    Dooling, PJ
    Harding, J
    Ruiz, C
    [J]. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2004, 52 (10) : 2355 - 2377
  • [3] Deformation of thermosetting resins at impact rates of strain. Part I: Experimental study
    Buckley, CP
    Harding, J
    Hou, JP
    Ruiz, C
    Trojanowski, A
    [J]. JOURNAL OF THE MECHANICS AND PHYSICS OF SOLIDS, 2001, 49 (07) : 1517 - 1538
  • [4] GLASS-RUBBER CONSTITUTIVE MODEL FOR AMORPHOUS POLYMERS NEAR THE GLASS-TRANSITION
    BUCKLEY, CP
    JONES, DC
    [J]. POLYMER, 1995, 36 (17) : 3301 - 3312
  • [5] ROLE OF RECOVERY FORCES IN DEFORMATION OF LINEAR POLYETHYLENE
    FOTHERINGHAM, DG
    CHERRY, BW
    [J]. JOURNAL OF MATERIALS SCIENCE, 1978, 13 (05) : 951 - 964
  • [6] Compression yielding of polypropylenes above glass transition temperature
    Gomez-del Rio, T.
    Rodriguez, J.
    [J]. EUROPEAN POLYMER JOURNAL, 2010, 46 (06) : 1244 - 1250
  • [7] Dynamic mechanical and C-13 nmr investigations of molecular motions involved in the beta relaxation of epoxy networks based on DGEBA and aliphatic amines
    Heux, L
    Halary, JL
    Laupretre, F
    Monnerie, L
    [J]. POLYMER, 1997, 38 (08) : 1767 - 1778
  • [8] Molecular dynamics predictions of thermal and mechanical properties of thermoset polymer EPON862/DETDA
    Li, Chunyu
    Strachan, Alejandro
    [J]. POLYMER, 2011, 52 (13) : 2920 - 2928
  • [9] Yielding behaviour in model epoxy thermosets - I. Effect of strain rate and composition
    Mayr, AE
    Cook, WD
    Edward, GH
    [J]. POLYMER, 1998, 39 (16) : 3719 - 3724
  • [10] Mazumdar SK., 2002, Composites manufacturing: materials, product, and process engineering
123