Strength of Materials
Volume 21, Number 3, 407-409, DOI: 10.1007/BF01529195

Production Section

The influence of the interference of a rivet on the mechanical properties of D16 alloy sheet in biaxial tension

N. I. Demina and A. K. Volkov

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Abstract

1.  The strength of an unnotched specimen after both natural and artificial aging is higher in biaxial tension than in axial and for both structural conditions is 1.12stb s /st\sigma _{t_b } ^s /\sigma _t is greater than sgrt of the material (1.04–l1.16sgrt).
3.  In axial and biaxial (sgr2/sgr1=0.5) tension of sheet in the plastic area the rivet body does not participate in deformation of the material all the way to failure of it (Fig. 2).
4.  It was established that in both methods of loading the presence of a rivet both without and with interference leads to redistribution of the deformed condition, and the lower the plasticity of the material, the more sharply it occurs. For example, for D16T1 alloy the curve of the deformed condition on the edge of the rivet has the minimum value (Fig. 1), and for D16T alloy the maximum.
Vladimir Polytechnic Institute. Translated from Problemy Prochnosti, No. 3, pp. 110–112, March, 1989.

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