Replacing St3sp steel by semikilled 18Gps steel

G. Z. Zaslavskii; D. I. Arslanov; Yu. E. Freidenzon; N. I. Smirnov; N. A. Fomin

doi:10.1007/bf01093786

Replacing St3sp steel by semikilled 18Gps steel

Metallurgist ◽

10.1007/bf01093786 ◽

1975 ◽

Vol 19 (11) ◽

pp. 809-810

Author(s):

G. Z. Zaslavskii ◽

D. I. Arslanov ◽

Yu. E. Freidenzon ◽

N. I. Smirnov ◽

N. A. Fomin

Keyword(s):

St3sp Steel

Download Full-text

Modeling the Stress-Strain Curve of Elastic-Plastic Materials

Solid State Phenomena ◽

10.4028/www.scientific.net/ssp.316.936 ◽

2021 ◽

Vol 316 ◽

pp. 936-941

Author(s):

Natalya Ya. Golovina

Keyword(s):

Mathematical Models ◽

Strain Curve ◽

Variational Model ◽

Linear Deformation ◽

Plastic Materials ◽

Non Linear ◽

Linear Sections ◽

Elastic Plastic Materials ◽

Deformation Section ◽

St3sp Steel

The work is devoted to the formulation of mathematical models of plastic materials without hardening. A functional is proposed, the requirement of stationarity of which made it possible to formulate the differential equation of stress as a function of deformation. On the linear deformation section, a second-order functional is proposed; on the non-linear deformation section, a fourth-order functional is proposed. A range of boundary value problems is formulated, that ensure the continuity of the function at the boundary of the linear and non-linear sections of the deformation curve. The theoretical strain curve was compared with the samples of experimental points for materials: St3sp steel, steel 35, steel 20HGR, steel 08Kh18N10, titanium alloy VT6, aluminum alloy D16, steel 30KhGSN2A, steel 40Kh2N2MA, and showed a good agreement with the experiment. Thus, a variational model is constructed, that allows one to construct curve deformations of various physically non-linear materials, which will allow one to construct further mathematical models of the resource of such materials.

Download Full-text