### 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 language | English |
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Pages (from-to) | 35-43 |

Number of pages | 9 |

Journal | International Journal of Plasticity |

Volume | 12 |

Issue number | 1 |

DOIs | |

Publication status | Published - 1996 |

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### ASJC Scopus subject areas

- Mechanical Engineering

### Cite this

**On the mathematical description of the tensile stress-strain curves of polycrystalline face centered cubic metals.** / Kovács, I.; Vörös, G.

Research output: Contribution to journal › Article

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TY - JOUR

T1 - On the mathematical description of the tensile stress-strain curves of polycrystalline face centered cubic metals

AU - Kovács, I.

AU - Vörös, G.

PY - 1996

Y1 - 1996

N2 - 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.

AB - 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.

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U2 - 10.1016/S0749-6419(95)00043-7

DO - 10.1016/S0749-6419(95)00043-7

M3 - Article

VL - 12

SP - 35

EP - 43

JO - International Journal of Plasticity

JF - International Journal of Plasticity

SN - 0749-6419

IS - 1

ER -