Comparative analysis of the characteristics of amplitude-dependent internal friction (IF) was carried out to explain reasons leading to an increase of the creep limit of the butt welded joint in PT-3V titanium alloy (PT-2V filler material) after cyclic loading. IF was measured by the method of the direct torsional pendulum on cylindrical specimens representing the gage part of the specimens subjected to preliminary cyclic loading. The data were processed using the Granato-Lucke theory. The results show that the reduction of IF after cyclic loading took place as a result of an increase of the number and redistribution of pinning points of the dislocations. Consequently, the density of mobile dislocations decreases by 8% and the length of dislocation segments by 18%. These processes of stabilization of the structure were completed within 5·10 4 cycles of preliminary loading. Stabilization of the dislocation structure of the material of the welded joint increases its creep limit.
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T. Yu. Yakovleva and V. I. Vlasenko, “Variation of the creep limit and structure of the welded joint in PT-3V titanium alloy under the effect of cyclic loading, Report 1,” Probl. Prochn., No.4, 27–33 (1996).
V. N. Moiseev, Yu. G. Kulikov, F. R. Kirillov, et al., Welded Joints in Titanium Alloys [in Russian], Metallurgiya, Moscow (1979).
B. B. Chechulin, Yu. D. Khesin, O. S. Belova, and A. P. Surkova, Titanium Alloys in Engineering [in Russian], Mashinostroenie, Moscow (1977).
S. M. Gurevich (ed.), Metallurgy and Technology of Welding Titanium and its Alloys [in Russian], Naukova Dumka, Kiev (1979).
G. S. Pisarenko, Scattering of Energy at Mechanical Oscillations [in Russian], Publishing House of the Academy of Sciences of the Ukraine USSR, Kiev (1962).
S. G. Glazunov and B. A. Kolachev (eds.), Titanium Alloys. Metallography of Titanium Alloys [in Russian], Metallurgiya, Moscow (1972).
M. A. Krishtal and S. A. Golovin, Internal Friction and Structure of Metals [in Russian], Metallurgiya, Moscow (1976).
A. Granato and K. Lucke, Physical Acoustics, in Four Volumes, Volume 4 [Russian translation], Mir, Moscow (1968).
K. Yamafudji and Ch. Bauer, “Dislocation damping associated with diffusion along a dislocation,” in: Current Problems of Dislocation Theory [Russian translation], Mir, Moscow (1968), pp. 115–135.
H. Alefel'd, “Comparison of dislocation models of the string and inflection chain,” in: Current Problems of Dislocation Theory [Russian translation], Mir, Moscow (1968), pp. 49–72.
Ch. Bauer, “Free energy of a pinned dislocation,” in: Current Problems of Dislocation Theory [Russian translation], Mir, Moscow (1968), pp. 100–114.
Translated from Problemy Prochnosti, No. 4, pp. 35–40, April, 1996.
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Yakovleva, T.Y., Vlasenko, V.I. Variation of the creep limit and structure of a welded joint in PT-3V titanium alloy under the effect of cyclic loading. Report 2. Strength Mater 28, 273–276 (1996). https://doi.org/10.1007/BF02210372
- Comparative Analysis
- Titanium Alloy
- Cyclic Loading
- Internal Friction