2004
DOI: 10.1002/pi.1379
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Some considerations on mechanical testing methods of rubbery materials using nonlinear finite element analysis

Abstract: This paper discusses experimental test methods for the purpose of defining the nonlinear properties of rubbery materials used for finite element analysis. The typical tests are simple tension, simple compression and pure shear tests. It has been found in the simple tension test that a narrow strip specimen whose length is 10 times longer than the width can be used more appropriately than a dumbbell type specimen. In order to eliminate the effect of friction between the specimen and the platens in the compressi… Show more

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Cited by 13 publications
(7 citation statements)
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“…Material constants in the strain energy density functions are generally determined from curve fitting of experimental stress-strain data. There are several different types of experiments, but in general, a combination of simple tension, simple compression, and pure shear tests are used to determine the material constants (Kim et al, 2004). A major difficulty in the use of finite element codes is the experimental determination of the material constants to use in the model chosen for simulation (Bradley et al, 2001).…”
Section: Measuring Materials Properties To Build Materials Models In Feamentioning
confidence: 99%
See 2 more Smart Citations
“…Material constants in the strain energy density functions are generally determined from curve fitting of experimental stress-strain data. There are several different types of experiments, but in general, a combination of simple tension, simple compression, and pure shear tests are used to determine the material constants (Kim et al, 2004). A major difficulty in the use of finite element codes is the experimental determination of the material constants to use in the model chosen for simulation (Bradley et al, 2001).…”
Section: Measuring Materials Properties To Build Materials Models In Feamentioning
confidence: 99%
“…During the compression of the sample, the strains appeared at lateral directions are not restricted entirely. It is quite difficult to achieve an effective compression test due to the friction between the specimen and the compression platens (Kim et al, 2004). If friction exists, then the stress and strain distributions are not uniform.…”
Section: Simple Compression Testmentioning
confidence: 99%
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“…[ 11–14, 16, 17 ] Unfilled and filled rubber compounds are mostly characterized by hyperelastic constitutive models for mechanical behavior during instantaneous loading. [ 18 ] Hyperelastic behavior is derived through the change in entropy of the cross‐linked and entangled network in terms of strain energy density as a function of strain invariants. Numerous well accepted hyperelastic constitutive models developed based on the entropy change are Mooney–Rivlin, Neo–Hookean, Arruda–Boyce, Ogden, Yeoh, etc.…”
Section: Introductionmentioning
confidence: 99%
“…These include: cylindrical double shear [4][5][6], bi-conical shear [7], rectangular double shear [8][9][10] cylindrical compression [11][12][13][14] tension hourglass [15], compression-tension hourglass [6,16], cylindrical compression-tension [17,18], ASTM tension [13,19], strip tension [14,18,20] plane strain compression [12], and double shear beam. In selecting a specimen, several factors should be considered in addition to homogeneity of mechanical fields within the specimen.…”
Section: Introductionmentioning
confidence: 99%