[en] Structural transformations in amorphous alloy Fe₄₀Ni₄₀P₁₄B₆ in the temperature range 80-300 K are studied using the methods of the Moessbauer effect and X-raydiffraction. Reversibility of transformations in the range above 163 K is detected; at lower temperatures stable changes of the short order take place

No abstract available

[en] Structural changes, corresponding to the initial stratification stage in the 25KhYuBF alloys after low-temperature annealing, are studied through the method of moessbauer spectroscopy. Application of modern methods for recovering the function of superfine fields distribution by moessbauer spectra made it possible for the first time to reveal that formation of high-magnetic (alpha)₁-phase is predominant at the initial stage of this process and to establish its composition

[en] Short note

[en] Transmission and depth selective conversion electron Moessbauer spectroscopy (DCEMS) were applied usefully to study structural transformation in the bulk and in the surface layer in a ≅50 and 100 nm thick amorphous alloy that was subjected to annealing and natural ageing. Analysis of the hyperfine field distributions P(H) shows the segregation of the amorphous matrix. (orig.)

[en] Both the transmission and depth selective conversion electron Moessbauer spectroscopy (DCEMS) were applied usefully to study structural transformations in the bulk and in the surface layer ≅ 50 and 100 nm thick during three years natural ageing of an amorphous alloy. The primary crystallization was revealed in the surface layer ≅ 100 nm thick on the rough side of amorphous ribbon. (orig.)

[en] Structure variations in volume and in surface layers of Fe₄₀Ni₄₀P₁₄B₆ amorphous alloy during natural aging (without thermal treatment or other physical treatments) in 3 years are studied by means of Moessbauer gamma-resonance spectroscopy and Moessbauer differential conversion-electron spectroscopy. It is shown, that phase stratification of amorphous matrix occurs in volume, while crystallization processes begin in ∼100 nm thin surface layer

[en] New technique of nondestructive layer-by-layer analysis-Moessbauer differential conversion-electron spectroscopy-is used while investigating a complicated multilayer structure of the surface of crystallizing amorphous Fe₈₄B₁₆ alloy

[en] Depth selective Moessbauer spectroscopy was used to study phase distribution in Fe₈₃B₁₇ alloy according to thickness of partially amorphized strip, produced by spinning method. Cooling curves were calculated for different layers of the strip. Critical cooling rate was determined in result of correlation of experimental and calculation data. Their evaluation was conducted by two independent ways - according to thermophysical Schwarz model and according to the method, based on kinetic solidification theory. Satisfactory agreement of results is shown

[en] A complex study of the crystallization process of the amorphous system was carried out by Moessbauer spectroscopy, X-ray diffraction and DTA. Alloy samples crystallized at 600deg C contain the following phases: α-Fe, Fe₃B and solid solution (Fe, W)₃B. (orig.)