Zobrazeno 1 - 10
of 19
pro vyhledávání: '"K. Cíha"'
Publikováno v:
Materials Science and Engineering: A. 149:105-110
In this work, carbon redistribution between an austenitic cladding and a ferritic-carbidic steel for pressure vessels of the Voronez water energy nuclear reactor is studied. The carbon concentration in the surroundings of the weld interface was deter
Publikováno v:
Czechoslovak Journal of Physics. 27:758-768
The interdiffusion in the Co-Ni system has been investigated in the temperature range of 950 to 1150 °C, by means of diffusion specimens of pure Co and Ni. The concentration curvesN(x, t) obtained with the aid of an JXA-3 A JEOL electron microprobe
Publikováno v:
Physica Status Solidi (a). 62:467-474
The diffusion coefficients of 65Zn in the Al-Zn solid solutions are measured by means of residual activity techniques in the concentration range 7.06 to 57.5 at% Zn between 312 and 509 °C. The measured values of D satisfy well the Arrhenius equation
Publikováno v:
Czechoslovak Journal of Physics. 27:1049-1058
The intrinsic diffusion coefficients¯DCo and¯DNi in the Co—Ni system have been calculated with the use of the interdiffusion coefficient values, concentration gradient data (Part I) and from the observed inert markers displacements (Part II). The
Publikováno v:
Czechoslovak Journal of Physics. 32:907-915
Self-diffusion coefficients of vanadium in the FeV σ-phase and in the corresponding α-solid solution (Fe-47 wt.% V) measured in the temperature ranges 1002–1115 °C (σ-phase) and 1230–1320 °C are reported. The found results differ fundamental
Publikováno v:
Czechoslovak Journal of Physics. 27:935-942
Publikováno v:
Czechoslovak Journal of Physics. 22:666-681
Dislocation damping in copper single crystals was determined by the stress pulse method. For this purpose very short stress pulses were used, maximum length 30 μs, by which loading conditions of a metallic matrix in the frontal region of a propagati
Publikováno v:
Acta Metallurgica. 17:803-810
The creep of decarburized ARMCO iron has been, studied in the temperature range of 820–1170 °K by the isothermal tests technique. In the range of 820–920°K the apparent activation energy of creep depends linearly on stress; the value correspond
Publikováno v:
Czechoslovak Journal of Physics. 22:534-536
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