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Institute for Problems in Mechanical Engineering
of the Russian Academy of Sciences

Institute for Problems in Mechanical Engineering of the Russian Academy of Sciences

The influence of the altered structure zone characteristics after the material jet treatment on the samples stress state during tensility

Autors:
A.I. Verameichyk, M.V. Neroda, B.G. Holodar ,
Pages:
130-141
Annotation:

The article investigates the influence of the mechanical characteristics (elasticity module, Poisson coefficient) of the material altered structure zones, which arise after heat treatment by concentrated high-energy impact. For rectangular samples, two forms of the structure formation zone are analyzed - rectangular and crescent-shaped with a zone of processed material in the form of a semicircle. MSC NASTRAN and ANSYS Workbench software packages were used as calculation packages. A computer simulation of the stress-strain state of samples with one or more treated tracks (along the entire length and on the part of the length) under tension was carried out. The influence of the zone size and the distance between them is investigated. An insignificant effect of the distance between the tracks on the voltages has been established. The stress concentration coefficients in the vicinity of the treatment zones are determined. The transverse stresses are studied depending on the mechanical characteristics of the material.

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