caa a22 4500 469089202 CHVBK 20180323133012.0 cr unu---uuuuu 170328e19920101xx s 000 0 eng 10.1007/BF00777221 doi (NATIONALLICENCE)springer-10.1007/BF00777221 Maslakov A. Institute of Strength Problems, Academy of Sciences of the Ukraine, Kiev aut Effect of a low-intensity pulse load on the mechanical characteristics of steels 20 and 12Kh18N10T [Elektronische Daten] [A. Maslakov] Variation in the mechanical characteristics of steels 20 and 12Kh18N10T is indicated from the results of the quasistatic uniaxial tensile testing of flat proportionally short specimens fabricated from thick-walled plates treated under a pressure pulse to 2 GPa with a duration to 10 μsec. In calculating the mechanical characteristics, a cross section in the form of a curvilinear trapezium was replaced by a rectangle of equivalent area. It is established that the variation in the mechanical properties depends on the magnitude of the compressive strain generated under a pulsed load over the thickness of the plates. Tension diagrams from which it follows that the yield point and ultimate strength increase, and the relative elongation after failure decreases with increasing preliminary pulsed compressive deformation, are presented. The yield site that exists on the tension diagram of steel 20 specimens in the as-delivered state vanishes after shock treatment. The characteristic feature of a sharp (by ∼30%) increase in the yield point of steel 12Kh18N10T is observed on attainment of a small (to 1%) pulse deformation, with whose increase the relative necking after failure of both metals investigated diminishes somewhat. Plenum Publishing Corporation, 1992 Strength of Materials Kluwer Academic Publishers-Plenum Publishers 24/1(1992-01-01), 26-31 0039-2316 24:1<26 1992 24 11223 https://doi.org/10.1007/BF00777221 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00777221 text/html Onlinezugriff via DOI NATIONALLICENCE 100 1- Maslakov A. Institute of Strength Problems, Academy of Sciences of the Ukraine, Kiev aut NATIONALLICENCE 773 0- Strength of Materials Kluwer Academic Publishers-Plenum Publishers 24/1(1992-01-01), 26-31 0039-2316 24:1<26 1992 24 11223 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer