On the mathematical description of the tensile stress-strain curves of polycrystalline face centered cubic metals

I. Kovács, G. Vörös

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The stress-strain curves of polycrystalline face centered cubic metals (aluminium, copper, gold, silver and nickel) were measured by an Instron tensile test machine controlled by a computer registering 20 points per second along the load-elongation curve. The large number of measured points makes it possible to perform a detailed analysis of the mathematical structure of the stress-strain curves. General conditions are introduced which must be fulfilled by the functions which approximately describe the whole stress-strain curves. It is shown that the limiting value of a special set of suitable functions in practice describes the stress-strain curves exactly.

Original languageEnglish
Pages (from-to)35-43
Number of pages9
JournalInternational Journal of Plasticity
Volume12
Issue number1
DOIs
Publication statusPublished - 1996

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Stress-strain curves
Tensile stress
Metals
Nickel
Aluminum
Silver
Gold
Copper
Elongation

ASJC Scopus subject areas

  • Mechanical Engineering

Cite this

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