37 Result(s)

Chapter

Comparative Evaluation of Mesoscale Sensitivity to Crack Formation in Multi-pass Welds Using Wires IN52 and IN52MSS

Assessment of susceptibility of multipass welds, produced by using wires ERNiCrFe-7 (IN52) and ERNiCrFe-13(IN52MSS), to crack formation was carried out. The PVR test was used to determine susceptibility to cra...

K. A. Yushchenko, V. S. Savchenko, A. V. Zvyagintseva… in Cracking Phenomena in Welds IV (2016)

Chapter

Multi-scale Modeling of the Stress-Strain State During Welding of Ni-Based Alloys

Numerical modeling of changes of stress-strain state in welding of alloys of Ni-Cr–Fe alloying system at macro- and mesoscales was carried out. The kinetics of changes of stresses and deformations in the weld ...

K. A. Yushchenko, V. S. Savchenko, N. O. Chervyakov… in Cracking Phenomena in Welds IV (2016)

Article

Assessment of causes of fracture in 14Kh17N2 steel blades of GTK-25I gas-pum** unit axial-flow compressors

Causes of fracture of the martensitic-ferritic steel blades of the variable inlet guide vane for an axial-flow compressor of the gas pum** unit GTK-25I have been studied. There are several stages of blade fr...

K. A. Yushchenko, V. S. Savchenko, L. V. Chervyakova, V. I. Izbash… in Strength of Materials (2008)

Chapter

Classification and Mechanisms of Cracking in Welding High-Alloy Steels and Nickel Alloys in Brittle Temperature Ranges

K.A. Yushchenko, V.S. Savchenko in Hot Cracking Phenomena in Welds II (2008)

Article

Investigation of Structure and Crack Formation in Welded Joints of Single Crystal Ni-Base Alloys

Conditions of initiation of hot cracks in welding of single crystal heat-resistant alloys with a 56% content of the γ’-phase were studied. Conditions for providing a polycrystalline structure in HAZ and part o...

V. S. Savchenko, K. A. Yushchenko, A. Zvjagintseva, S. A. David… in Welding in the World (2007)

Article

The corrosion of welded joints of 16GS + 08Kh13 bimetal, made of the specimens cut out from a column after the long-term operation

Corrosion-electrochemical investigations into bimetals are conventionally carried out on samples with the carrying layer preliminarily removed. In this work, the liability of welded joints to HSC without remov...

V. A. Kachanov, Yu. B. Danilov, T. E. Shepil, E. K. Gvozdikova… in Protection of Metals (2007)

Article

Investigation of Thermal-Deformation State of Welded Joints in Stable-Austenitic Steels and Nickel Alloys

Peculiarities of variations in values of current and residual stresses and strains in welded joints on austenitic steels with a yield point of about 350 MPa and on high-strength alloys with σ_0.2 ~ 800 MPa were st...

K. A. Yushchenko, V. I. Makhnenko, V. S. Savchenko… in Welding in the World (2007)

Article

Weldability and changes in the physicomechanical properties of welded joints

The new definition of weldability takes into account its dependence on the degree of degradation of the material, and this characteristic can be calculated as an integral parameter. We give examples of the deg...

K. A. Yushchenko, V. V. Derlomenko in Materials Science (2006)

Article

Anisotropy of Mechanical Properties in Deformed Molybdenum Alloy Sheets

When in a strain state, molybdenum alloy sheets exhibit distinct anisotropy of mechanical characteristics. The anisotropy of elastic, strength, and plastic characteristics is due to crystallographic and struct...

B. A. Zaderii, S. S. Kotenko, A. E. Marinchenko, E. P. Polishchuk… in Strength of Materials (2005)

Chapter

Character of Hot Crack Formation During Welding of Cast Heat-Resistant Nickel Alloys

K.A. Yushchenko, V.S. Savchenko, N.O. Chervyakov… in Hot Cracking Phenomena in Welds (2005)

Chapter

The Role of Segregation of Oxygen in Welding Alloys of the INVAR Type

K.A. Yushchenko, V.S. Savchenko, T.M. Starushchenko in Hot Cracking Phenomena in Welds (2005)

Article

Effect of heat treatment on the resistance of a dispersion hardening nickel alloy to hydrogen embrittlement

1. Prolonged immersion of the alloy in an atmosphere of hydrogen and the magnitude of loading both influence the...

K. A. Yushchenko, V. S. Savchenko, O. N. Ostapenko in Metal Science and Heat Treatment (1992)

Article

Effect of the environment on the relationships governing deformation and failure of an iron-nickel alloy in creep

1. The endurance of the specimens of the iron-nickel alloy on the same level of thermal and force loading in vac...

I. S. Tsvilyuk, D. S. Avramenko, K. A. Yushchenko, V. S. Savchenko… in Strength of Materials (1988)

Article

Corrosion-resistant nickelless steel 04Kh19AFT

K. A. Yushchenko, R. I. Morozova, V. S. Baldin… in Metal Science and Heat Treatment (1988)

Article

Fatigue crack growth in KhN60MVYu nickel alloy at temperatures of 293 and 11°K

1. The results show that when the temperature is reduced from 293 to 11°K the fatigue crack growth rate in Kh60M...

E. N. Aleksenko, N. M. Grinberg, K. A. Yushchenko in Strength of Materials (1988)

Article

Concerning embrittlement of welded joints of 12Kh18N1OT steel

K. A. Yushchenko, V. S. Savchenko, R. I. Morozova, R. O. Lents… in Strength of Materials (1987)

Article

Features of the structure and properties of high-silicon corrosion-resistant steels and their weld joints

1. Intergranular corrosion in austenitic high-silicon steels is caused by the precipitation in tempering at the ...

L. D. Tikhonovskaya, V. N. Lipodaev, K. A. Yushchenko in Metal Science and Heat Treatment (1987)

Article

Effect of the dimensions of the specimens on the accuracy of determination of the cracking resistance of high-alloy steels

K. A. Yushchenko, S. A. Voronin in Soviet materials science : a transl. of Fi… (1986)

Article

Fracture toughness of two-phase joints at 77°K

K. A. Yushchenko, S. A. Voronin… in Soviet materials science : a transl. of Fi… (1985)

Article

Low-temperature cyclic crack resistance of weld joints of Fe-Cr-Ni and Fe-Cr-Mn steels

O. P. Ostash, V. T. Zhmur-Klimenko… in Soviet materials science : a transl. of Fi… (1983)