Zobrazeno 1 - 10
of 31
pro vyhledávání: '"L. S. Novogrudskii"'
Autor:
Yu. M. Volkov, I. A. Kanivets, E. V. Vorob’ev, V. M. Kharchenko, A. V. Drozdov, M. P. Zemtsov, L. S. Novogrudskii
Publikováno v:
Strength of Materials. 52:414-418
Results of experimental investigation of mechanical characteristics of ULTEM 9085 thermoplastic, produced by additive manufacturing, i.e., the method of layer-by-layer application of a molten polymer thread, are presented. Flat specimens were tensile
Publikováno v:
Strength of Materials. 47:689-696
The paper describes an automated measuring system of a plant, which is designed for the investigation of the mechanical properties of structural materials in a temperature range of 4.2–300 K under the action of current pulses.
Publikováno v:
Strength of Materials. 46:471-476
The criterion for the assessment of the limiting state of rail steel under the action of electric current pulses is proposed and substantiated. The condition of equality between the values of offset yield stress of cyclically operated material with s
Autor:
V. A. Strizhalo, L. S. Novogrudskii
Publikováno v:
Strength of Materials. 42:544-556
The methods developed at the Pisarenko Institute of Problems of Strength of the National Academy of Sciences of Ukraine for determining the allowable stresses for structural elements operating at cryogenic temperatures are considered. The methods mak
Publikováno v:
Strength of Materials. 42:471-477
We present the results of investigations into the influence of high-density electric current pulses on the mechanical characteristics of rail steels in the initial state and after a long in-service operating time. The effect of in-service loading con
Autor:
V. A. Strizhalo, L. S. Novogrudskii
Publikováno v:
Strength of Materials. 42:272-279
The basic principles of the ASTM, ISO, and GOST standards specifying the procedure for tensile testing of metals at liquid helium temperatures are considered and analyzed. The main factors that influence the parameters of the strain- and stress-contr
Publikováno v:
Strength of Materials. 42:344-351
The analysis of the mechanical state of the materials of a new rail and a rail after long-term operation are performed on the basis of the obtained data on the distributions of hardness over the cross sections of rails and the spread of the character
Autor:
L. S. Novogrudskii, V. A. Strizhalo
Publikováno v:
Strength of Materials. 39:365-371
The possibility to assess cold hardening of steels in the presence of stress concentration by means of structural-strength factors used in the engineering practice is considered. A modified system of structural-strength factors is proposed, which all
Autor:
L. S. Novogrudskii
Publikováno v:
Strength of Materials. 36:85-88
The analysis of service conditions for the elements of a superconducting electromagnetic system of thermonuclear reactor is performed. Based on the study of the peculiarities of deformation and fracture of alloys subjected to an electric pulse curren
Autor:
A. Ballesteros, L. S. Novogrudskii, U. Grinik, M. P. Zemtsov, L.I. Chirko, V. A. Strizhalo, Eacute
Publikováno v:
Strength of Materials. 34:27-34
This paper considers the results of testing reactor steel JRQ involving determination of the fracture toughness and the reference temperature T0, construction of a Master Curve, and evaluation of the boundaries of regions with different failure proba