Effect of the specimen geometry on strength and plasticity characteristics of steels on subzero cooling

We present the results of investigations into the deformability and strength of conical and tubular specimens of 03Kh20N16AG6 and 12Kh18N10T steels in uniaxial tension over a temperature range of 293-4.2 K. It is demonstrated that the deformability of the above steels is related to the geometry of t...

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Veröffentlicht in:Strength of materials 2002-09, Vol.34 (5), p.451-455
1. Verfasser: VOROB'EV, E. V
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description We present the results of investigations into the deformability and strength of conical and tubular specimens of 03Kh20N16AG6 and 12Kh18N10T steels in uniaxial tension over a temperature range of 293-4.2 K. It is demonstrated that the deformability of the above steels is related to the geometry of the test object, whereas the character- of this relation is determined by the test temperature and class of steel. At a temperature of 4.2 K, a qualitative change in the deformation mechanisms occurs, as a result of which the influence of the design factors changes significantly. A drop in the plasticity for- both types of the specimens and a considerable hardening of the 03Kh20N16AG6 steel thin-walled tubular specimens are noted.
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subjects Applied sciences
Elasticity. Plasticity
Exact sciences and technology
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
title Effect of the specimen geometry on strength and plasticity characteristics of steels on subzero cooling
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