Search Results - "Firstov, G. S."

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  1. 1

    High-temperature shape memory alloys: Some recent developments by Firstov, G.S, Van Humbeeck, J, Koval, Y.N

    “…Several alloy systems can be selected for high-temperature shape memory alloys (HTSMA) with stable transformation temperatures above 390 K. However, due to the…”
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    Journal Article Conference Proceeding
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    High Temperature Shape Memory Alloys Problems and Prospects by Firstov, G. S., Van Humbeeck, J., Koval, Yu. N.

    “…In this article, a review of the existing high temperature shape memory alloy (HTSMA) systems is given. Certain crucial disadvantages general to all HTSMAs and…”
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    Journal Article Conference Proceeding
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    Surface oxidation of NiTi shape memory alloy by Firstov, G.S, Vitchev, R.G, Kumar, H, Blanpain, B, Van Humbeeck, J

    Published in Biomaterials (01-12-2002)
    “…Mechanically polished NiTi alloy (50 at% Ni) was subjected to heat treatment in air in the temperature range 300–800°C and characterised by scanning electron…”
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    Journal Article
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    Comparison of high temperature shape memory behaviour for ZrCu-based, Ti–Ni–Zr and Ti–Ni–Hf alloys by Firstov, G.S, Van Humbeeck, J, Koval, Yu.N

    Published in Scripta materialia (2004)
    “…New ZrCu-based high temperature shape memory alloys with M s close to 500 K are under development. The shape memory behaviour of this material is compared to…”
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    Journal Article
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    Directions for High-Temperature Shape Memory Alloys’ Improvement: Straight Way to High-Entropy Materials? by Firstov, G. S., Kosorukova, T. A., Koval, Yu N., Verhovlyuk, P. A.

    “…Nowadays, all thermo-mechanical effects, associated with the martensitic structural phase transitions, are still in the focus of scientists and engineers,…”
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    Journal Article
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    Unit cell determination in CuZr martensite by electron microscopy and X-ray diffraction by Schryvers, D., Firstov, G.S., Seo, J.W., Van Humbeeck, J., Koval, Yu.N.

    Published in Scripta materialia (15-05-1997)
    “…Based on extensive three-dimensional electron diffraction data, HREM images, and a new Rietveld fitting procedure of existing x-ray diffractometry data, new…”
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    Journal Article
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    Development of High-Entropy Shape-Memory Alloys: Structure and Properties by G. S. Firstov, Yu. M. Koval, V. S. Filatova, V. V. Odnosum, G. Gerstein, and H. J. Maier

    Published in Uspehi fiziki metallov (Online) (01-12-2023)
    “…Amongst functional materials, shape-memory alloys occupy a special place. Discovered in the beginning of 1960th in XX century, these alloys attracted quite an…”
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    Journal Article
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    Development of B2 Shape Memory Intermetallics Beyond NiAl, CoNiAl and CoNiGa by Gerstein, G., Firstov, G. S., Kosorukova, T. A., Koval, Yu. N., Maier, H. J.

    “…The present study describes the development of shape memory alloys based on NiAl. Initially, this system was considered a promising but unsuccessful neighbour…”
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    Journal Article
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    Martensitic transformation and shape memory effect in Ni3Ta: A novel high-temperature shape memory alloy by Firstov, G.S., Koval, Yu.N., Van Humbeeck, J., Ochin, P.

    “…This paper is dedicated to the first observations of the martensitic transformation (MT) and shape memory effect in Ni3Ta intermetallic compound. It was found…”
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    Journal Article
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    Phase transformations in Zr–29.56 at.% Cu–19.85 at.% Ni melt-spun high-temperature shape memory alloy by Firstov, G.S., Koval, Yu.N., Van Humbeeck, J., Portier, R., Vermaut, P., Ochin, P.

    “…The present paper focuses on the phase transformations during crystallization of the melt-spun Zr–29.56 at.% Cu–19.85 at.% Ni high-temperature shape memory…”
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    Journal Article
  12. 12

    High Entropy Shape Memory Alloys by Firstov, G.S., Kosorukova, T.A., Koval, Yu.N., Odnosum, V.V.

    Published in Materials today : proceedings (2015)
    “…One of the sources for the improvement in shape memory behavior is the arrest of the irreversible plastic deformation in the process of accumulation of the…”
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    Journal Article
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    Shape Memory Effect Driven by Diffusionless and Diffusional Transformations at Elevated Temperatures by G. S. Firstov, Yu. N. Koval, J. Van Humbeeck

    Published in Uspehi fiziki metallov (Online) (01-09-2002)
    “…Several alloy systems can be selected for high-temperature shape-memory alloys, defined as alloys with stable reverse martensitic-transformation temperatures…”
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    Journal Article
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    Influence of deformation during warm rolling on martensitic transformation temperatures and the value of superelasticity and shape memory effects in Ti49.2Ni50.8 (at %) alloy by Lotkov, A. I., Koval, Yu. N., Grishkov, V. N., Zhapova, D. Yu, Timkin, V. N., Firstov, G. S.

    Published in Inorganic materials : applied research (01-09-2015)
    “…The influence of the warm isothermal (723 K) rolling in grooved rolls on the grain structure, martensitic transformation temperatures, and inelastic properties…”
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    Journal Article
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    Phase Transformations and Shape Memory Behavior in Ni3Ta-based Intermetallics by Kosorukova, T.A., Firstov, G.S., Koval, Yu.N., Van Humbeeck, J., Zhuravlev, B.

    Published in Materials today : proceedings (2015)
    “…Stoichiometric Ni3Ta intermetallic compound undergoes martensitic transformation [1] and exhibits shape memory behavior at elevated temperatures [2]. The…”
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    Journal Article
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    Thermal characteristics of phase transformations in Fe-Pt alloy by Koval’, Yu. N., Ponomareva, S. A., Firstov, G. S., Mogil’nyi, G. S., Perekos, A. E., Van Humbeeck, J.

    Published in Technical physics (01-07-2013)
    “…The effect of ordering on the thermal characteristics of the magnetic and martensite transitions in the Fe-Pt alloy with a composition close to stoichiometric…”
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    Journal Article
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    Ultrafine structure and martensitic transformation in titanium nickelide after warm abc pressing by Lotkov, A. I., Grishkov, V. N., Dudarev, E. F., Koval, Yu. N., Girsova, N. V., Kashin, O. A., Tabachenko, A. N., Firstov, G. S., Timkin, V. N., Zhapova, D. Yu

    “…The regularities of the ultrafine-grained structure formation in the binary TiNi-based alloy under stepwise warm (673–573 K) abc pressing are presented. The…”
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    Journal Article
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