Natural Surface Layer of Metals

• Authors: G. Starzyński , W. Gambin
• Languages of publication: EN

Abstracts

EN

A notion of natural surface layer of metals as a reference state for a mechanical description of technological surface layers is introduced. According to experimental observations it is assumed that the yield stress of metal surface layer without any technological treatment is lower than in the bulk material. A simple mechanical model that enables one to find a yield stress distribution in the natural surface layer is proposed. As an example the natural surface layer of aluminium specimen is examined. According to the model and experimental observations, a layer thickness is equal 2-3 grains' diameters, and the yield stress in the layer may be 30% lower than in the bulk material.

Keywords

EN

68.10.Cr; 68.35.Gy

Discipline

• 68.35.Gy: Mechanical properties; surface strains(for strain induced piezoelectric fields, see 77.65.Ly; for strain effects on ferroelectric phase transitions, see 77.80.bn)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1996
• Volume: 89
• Issue: 3
• Pages: 377-381

Dates

published

1996-03

Contributors

author

G. Starzyński

• Institute of Fundamental Technological Research, Polish Academy of Sciences, Świętokrzyska 21, 00-049 Warsaw, Poland

author

W. Gambin

• Institute of Fundamental Technological Research, Polish Academy of Sciences, Świętokrzyska 21, 00-049 Warsaw, Poland

Identifiers

DOI

10.12693/APhysPolA.89.377