Hydrostatic tensile fracture of a polyurethane elastomer

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Figure

Figure 3. Strip-Biaxial Tension.

Figure 3.

Strip-Biaxial Tension. p.19
Figure 4. Equal Biaxial Membrane Test.

Figure 4.

Equal Biaxial Membrane Test. p.20
Figure 5. Triaxfal Y'P~ker-@hip'~eet and the Coordinate System Used in the Streer Analyei~

Figure 5.

Triaxfal Y'P~ker-@hip'~eet and the Coordinate System Used in the Streer Analyei~ p.26
Figure 7. Shear Staeer i.n Diek ve, ria: c rn 1, or rrs 28.

Figure 7.

Shear Staeer i.n Diek ve, ria: c rn 1, or rrs 28. p.36
Figure 8. z-Normal Stress in Disk vs. Poisson's Ratio at r s: 0, a.= 20.

Figure 8.

z-Normal Stress in Disk vs. Poisson's Ratio at r s: 0, a.= 20. p.37
Figure 9. Ma2d;xam 2~%31.d 2iapiacaz%?ar~;R; in Disk VG* &,

Figure 9.

Ma2d;xam 2~%31.d 2iapiacaz%?ar~;R; in Disk VG* &, p.39
Figure 11. Wads of Maximum Nonmd Strees in Disk to Average (Applied) Strsse ve, a E/K4<1

Figure 11.

Wads of Maximum Nonmd Strees in Disk to Average (Applied) Strsse ve, a E/K4<1 p.44
Figure 12. Mathematical Model with Coordinate Description for the Investigation sf the Stress Singularity

Figure 12.

Mathematical Model with Coordinate Description for the Investigation sf the Stress Singularity p.45
Figure 19a.Complex Modulu~ at ZO'C a. a Function of Brspolymer~Catdyut CompoeiUon,

Figure 19a.Complex

Modulu~ at ZO'C a. a Function of Brspolymer~Catdyut CompoeiUon, p.67
Figure l9b. Uniaxial Tensile Strength as a Functiongf Prepolymer-Catalyot Compooitioa at 20 C

Figure l9b.

Uniaxial Tensile Strength as a Functiongf Prepolymer-Catalyot Compooitioa at 20 C p.68
Figure 23. Dependence of Deformation State on Invariants I1 and 12.

Figure 23.

Dependence of Deformation State on Invariants I1 and 12. p.78
Figure 24. Correlation of Neo-Hookean Representation with Uniaxial Experimental Tests

Figure 24.

Correlation of Neo-Hookean Representation with Uniaxial Experimental Tests p.80
Figure 25. Correlation of Neo -Kookean Representation with Biaxial Experimental Tests

Figure 25.

Correlation of Neo -Kookean Representation with Biaxial Experimental Tests p.82
Figure 26. Schematic of Poker -Chip Test Apparatus.

Figure 26.

Schematic of Poker -Chip Test Apparatus. p.84
Figure 27. Arrangement of the Triaxial Test.

Figure 27.

Arrangement of the Triaxial Test. p.88
Figure 28. General View of the Triaxial Test Showing the Specimens in

Figure 28.

General View of the Triaxial Test Showing the Specimens in p.89
Figure 29. Apparent Stress-Strain Curve for Poker Chip Test,

Figure 29.

Apparent Stress-Strain Curve for Poker Chip Test, p.91
Figure 30: Internal Fracture Growth History

Figure 30:

Internal Fracture Growth History p.94
Figure 33: Nucleus of F r a c t u r e  lOOX

Figure 33:

Nucleus of F r a c t u r e lOOX p.96
Figure 32: F r a c t u r e  Surface of Poker Chip Specimen

Figure 32:

F r a c t u r e Surface of Poker Chip Specimen p.96
Figure 34: Nucleus of Fracture 200X

Figure 34:

Nucleus of Fracture 200X p.97
Figure 38. Typical Map of Distribution of Spherical Flaws Taken at Random Locations throughout the

Figure 38.

Typical Map of Distribution of Spherical Flaws Taken at Random Locations throughout the p.104
Figure 39. Schematic of Flaw in the Hydrostatic Tensile Field in the Poker Chip.

Figure 39.

Schematic of Flaw in the Hydrostatic Tensile Field in the Poker Chip. p.105
Figure 41. Idealized Model of Spherical Flaw in a Hydrostatic Field. The corresponding strains for an incompressible material become,

Figure 41.

Idealized Model of Spherical Flaw in a Hydrostatic Field. The corresponding strains for an incompressible material become, p.114
Figure 44. Critical Extension Ratio a t  the Surface for Instability of a spherical Cavity

Figure 44.

Critical Extension Ratio a t the Surface for Instability of a spherical Cavity p.126
Figure 45. Critical Hydrostatic P r e s s u r e  Condition for Instability of a Spherical Cavity

Figure 45.

Critical Hydrostatic P r e s s u r e Condition for Instability of a Spherical Cavity p.127
Figure 46. Critical Hoop Stress for Instability of a Spherical Cavity.

Figure 46.

Critical Hoop Stress for Instability of a Spherical Cavity. p.128
Figure 51. Plot of ~ o w i e ' s ' ~ ' )  Tabular Data Showing Regimes of Representation for f(L)

Figure 51.

Plot of ~ o w i e ' s ' ~ ' ) Tabular Data Showing Regimes of Representation for f(L) p.136
Figure 52. Crack Length Factor

Figure 52.

Crack Length Factor p.137
Figure 54. Adjusted Potential Energy vs. Crack Length

Figure 54.

Adjusted Potential Energy vs. Crack Length p.140

References

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