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Abstract:

A procedure to determine the characteristic parameters of a log‐normal distribution of relaxation times, both for stress relaxation and creep tests, is presented. The method is based on the use of either the normalized stress relaxation or creep functions and their first derivatives. Furthermore, the limiting stress or strain can be obtained directly from the experimental data. Finally, the procedure developed is applied to actual stress relaxation curves reported for aluminum and polysulphide rubber and the results are compared with those obtained by approximate methods, based on the use of the error function. Copyright © 1989 WILEY‐VCH Verlag GmbH & Co. KGaA

Registro:

Documento: Artículo
Título:Analysis of Stress Relaxation and Creep Curves for a Log‐Normal Distribution of Relaxation Times
Autor:Povolo, F.; Hermida, E.B.
Filiación:Facultad de Ciencias Exactas Y Naturales, Departamento de Fisica, Universidad de Buenos Aires, Argentina
Consejo Nacional de Investigaciones Cientificas y Técnicas, Buenos Aires and Departamento Materiales, Comisión Nacional de Energia Atómica, Buenos Aires, Argentina
Año:1989
Volumen:151
Número:1
Página de inicio:71
Página de fin:83
DOI: http://dx.doi.org/10.1002/pssb.2221510109
Título revista:physica status solidi (b)
Título revista abreviado:Phys. Status Solidi B Basic Res.
ISSN:03701972
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_03701972_v151_n1_p71_Povolo

Referencias:

  • Nowick, A.S., Berry, B.S., (1972) Anelastic Relaxation in Crystalline Solids, , Academic Press, New York
  • Ng, D., Aklonis, J.J., (1985) Relaxations in Complex Systems, p. 53. , K. L. Ngai, G. B. Wright, Office of Naval Research, Arlington
  • Povolo, F., ; Nowick, A.S., Berry, B.S., Lognormal Distribution Function for Describing Anelastic and Other Relaxation Processes I. Theory and Numerical Computations (1961) IBM Journal of Research and Development, 5, p. 297
  • Kê, T.S., (1947) Phys. Rev., 71, p. 533
  • Tobolsky, A.V., Stern, M.D., (1946) J. chem. Phys., 14, p. 93
  • Feltham, P., (1955) Brit. J. appl. Phys., 6, p. 26
  • Kubat, J., Rigdahl, M., (1986) Failure of Plastics, p. 60. , W. Brostow, R. D. Corneliussen, Hansen Publishers, Munich
  • Povolo, F., Hermida, E.B.,

Citas:

---------- APA ----------
Povolo, F. & Hermida, E.B. (1989) . Analysis of Stress Relaxation and Creep Curves for a Log‐Normal Distribution of Relaxation Times. physica status solidi (b), 151(1), 71-83.
http://dx.doi.org/10.1002/pssb.2221510109
---------- CHICAGO ----------
Povolo, F., Hermida, E.B. "Analysis of Stress Relaxation and Creep Curves for a Log‐Normal Distribution of Relaxation Times" . physica status solidi (b) 151, no. 1 (1989) : 71-83.
http://dx.doi.org/10.1002/pssb.2221510109
---------- MLA ----------
Povolo, F., Hermida, E.B. "Analysis of Stress Relaxation and Creep Curves for a Log‐Normal Distribution of Relaxation Times" . physica status solidi (b), vol. 151, no. 1, 1989, pp. 71-83.
http://dx.doi.org/10.1002/pssb.2221510109
---------- VANCOUVER ----------
Povolo, F., Hermida, E.B. Analysis of Stress Relaxation and Creep Curves for a Log‐Normal Distribution of Relaxation Times. Phys. Status Solidi B Basic Res. 1989;151(1):71-83.
http://dx.doi.org/10.1002/pssb.2221510109