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Initiation of the Shape Memory Effect by Fast Neutron Irradiation
- Authors: Bobrovskii V.I.1, Afanasyev S.V.1, Voronin V.I.1, Kazantsev V.A.1, Kataeva N.V.1, Parkhomenko V.D.1, Proskurnina N.V.1, Sagaradze V.V.1
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Affiliations:
- Mikheev Institute of Metal Physics, Ural Branch, Russian Academy of Sciences
- Issue: Vol 125, No 2 (2024)
- Pages: 229-235
- Section: ПРОЧНОСТЬ И ПЛАСТИЧНОСТЬ
- URL: https://rjonco.com/0015-3230/article/view/662859
- DOI: https://doi.org/10.31857/S0015323024020148
- EDN: https://elibrary.ru/YOKCBL
- ID: 662859
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Fig. 1. Experimental (red circles) and calculated (envelope blue line) radiographs of a hardened 0.2C–20Mn–2Si–1V steel tape. The green line is the difference between the experiment and the calculation. Strokes from top to bottom: angular positions of the reflexes of the γ-phase of the solid iron solution, the hexagonal ε-phase and the BCC α-phase.
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Fig. 2. Experimental (red circles) and calculated (envelope blue line) radiographs of a hardened 0.3C–13Cr–10Mn–3Si–1V steel tape. The green line is the difference between the experiment and the calculation. Strokes from top to bottom: the angular positions of the reflexes of the γ-phase of the solid iron solution, the hexagonal ε-phase and the BCC α-phase Fe used in the fitting. On the insert is an X-ray of the α-phase iron powder.
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Fig. 3. The middle line of the lateral projection of the 0.3C–13Cr–10Mn–3Si–1V steel sample in the initial state and after irradiation with a fast neutron fluence of 6 × 1019 cm–2.
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Fig. 4. The middle line of the lateral projection of a 0.2C–20Mn–2Si–1V steel sample in the initial state and after irradiation with a fast neutron fluence of 6 × 1019 cm–2.
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Fig. 5. The middle line of the lateral projection of the steel sample 0.3C–13Cr–10Mn–3Si–1V after successive hourly annealing at temperatures 90, 110, 142, 160, 190, 215, 250, 300, 500 ° C. The points corresponding to the initial state of the sample, designated as 20 °C.
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Fig. 6. The magnitude of the deflection boom of the middle line of the lateral projection of the steel sample 0.3C–13Cr–10Mn–3Si–1V depending on the annealing temperature.
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Fig. 7. Temperature dependence of the relative elongation of a preformed steel sample 0.3C–13Cr–10Mn–3Si–1V obtained during dilatometric measurements with two passes of the temperature range 20-250 °C.
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Figure 8. Temperature dependence of the coefficient of thermal linear expansion of a steel sample 0.3C–13Cr–10Mn–3Si–1V obtained during dilatometric measurements.
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