Phase composition, structure and mechanical properties of Ti–Dy–Si–Sn alloys

Bulanova, M.; Podrezov, Yu. N.; Fartushna, I.

doi:10.1016/j.intermet.2005.08.004

Cited by 12 publications

(8 citation statements)

References 25 publications

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“…Observed values for the binary Ti 75.5 Sn 24.5 are in good agreement with reported previously results of DMA measurements for arc casted Ti 3 Sn [1] but differ from those for a fine grained Ti 75.5 Sn 24.5 in [8]. Ti 75.5 Sn 24.5 with grains size of about 20 μm was shown to exhibit the transformation temperature around 315 K, extremely small thermal hysteresis with a magnitude in the order of one degree, Young's modulus and damping capacity of 27 GPa and 0.055 respectively at the transformation temperature [8].…”

Section: Resultssupporting

confidence: 90%

“…The sharp upturn of Young's modulus versus temperature at 342 K and the peak (Q 1 ) at 310-335 K of damping capacity correspond to the reverse martensitic transformation that occurs around 342K. During martensitic transformation, most of the energy is dissipated due to the movement of martensite/parent interfaces, which causes a peak of damping capacity to appear in the Measurements of damping capacity has revealed another well-defined peak (Q 2 ) around 240 K. This peak corresponds to the less apparent change in slope of Young's modulus curve versus temperature and has been observed in Ti 3 Sn by dynamical mechanical analysis previously [1,4,8]. This additional peak was observed in other SMA [10][11][12][13] and is proposed to be due to thermally activated unpinning of twins' boundaries.…”

Section: Resultsmentioning

confidence: 92%

“…Microstructural observations by TEM have revealed martensitic twinned microstructure with compound (110) twins of 20 nm in width in the single-phase Ti 3 Sn [5][6][7]. Pseudoelastic behavior in martensitic phase in Ti 75.5 Sn 24.5 was observed in [8] by a compressive cyclic loading-unloading test and was associated with reversible movement of twin's boundaries under applied load.…”

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confidence: 99%

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Young's modulus and damping capacity of Ti 3 Sn intermetallic compound with 1 at% and 3 at% of Zr and Al additions

Ivanova

Shcheretsky

Podrezov

et al. 2017

Materials Science and Engineering: A

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Section: Resultssupporting

confidence: 90%

Section: Resultsmentioning

confidence: 92%

mentioning

confidence: 99%

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Young's modulus and damping capacity of Ti 3 Sn intermetallic compound with 1 at% and 3 at% of Zr and Al additions

Ivanova

Shcheretsky

Podrezov

et al. 2017

Materials Science and Engineering: A

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“…In the 1300 C isothermal section of the TieSieSn system in Ref. [16], the alloy NV4-HT would be just outside the three phases bTi þ Ti 3 Sn þ Ti 5 Si 3 field if Nb and Fe were to be considered as equivalent to Ti. Fe 3 Sn is isomorphous to Ti 3 Sn [17] and thus Fe would be expected to enhance the stability of Ti 3 Sn.…”

Section: Nbe45tie15sie5fee5sn (Alloy Nv4)mentioning

confidence: 99%

The role of Fe and Ti additions in the microstructure of Nb–18Si–5Sn silicide-based alloys

Vellios

Tsakiropoulos

2007

Intermetallics

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“…The composition ranges of the two-phase (βTi) + (Ti 5 Si 3 ) eutectic and the solubility of doping components in titanium silicide and (βTi) were established; the optimal combinations of doping components and their concentration in TICAD alloys were justified. With a view of increasing the effectiveness (plasticity) of TICAD alloys, the effect of doping with rare-earth metals was additionally considered: Ti-Dy-Si-Sn alloys (and Ti-Dy-Si and Ti-Dy-Sn components) were studied [4]. It was shown that the mechanical properties of Ti-Dy-Al alloys in the composition ranges of question were inferior to those of Ti-Dy-Sn alloys, and the mechanical properties of Ti-Al alloys to those of Ti-Sn alloys.…”

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confidence: 99%

The physical chemistry of inorganic materials developed in the studies of V. N. Eremenko’s school: physicochemical analysis and thermodynamics of alloys

Velikanova

2011

Powder Metall Met Ceram

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Eremenko's papers on the physical chemistry of fine particulate systems and surface phenomena, chemical thermodynamics of alloys and metal compounds, and physicochemical analysis of metal and metallic systems have highly been praised by national and international scientific community. Eremenko's chemical concept of phenomena that occur at interfaces in heterogeneous systems has been brilliantly proven by experiment and widely used in studies focusing on surface phenomena, powder metallurgy processes, compatibility of materials, soldering, etc. The physicochemical constants for simple and complex substances derived from analysis of the phase diagrams and thermodynamic properties of metal, metallic, and semiconductor systems have been included into handbooks and are an important, fundamental component of modern materials science. Eremenko's scientific ideas and scientific areas are further elaborated by his school of physical chemists. Keywords: physical chemistry of inorganic materials, scientific school of physical chemists, phase diagram, thermodynamics of metal systems.12 August 2011 marked the 100 th anniversary of Valentin Eremenko's birth. He was an outstanding scholar, whose studies in physicochemical materials science were well known and universally recognized in the former Soviet Union and abroad. Valentin Eremenko was behind the establishment of the Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, and led one of the three major academic areas at that time.The basic areas of physical chemistry that evolved under Eremenko's supervision were a response to challenges associated with the development of powder metallurgy, a new, very promising field of science and technology of that time. Valentin Eremenko formulated them as follows: "The key scientific problem of powder metallurgy is to establish conditions for the formation of a sintered body. The properties of starting components that are then combined in highly heterogeneous systems, the nature of and interaction between the components, and the surface energy, adsorption, and wetting at interfaces are major factors that determine the production environment and properties of sintered bodies (and, consequently, the properties of articles made of them)." This statement reflects the general challenges to be met in developing any new materials: select starting

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Phase composition, structure and mechanical properties of Ti–Dy–Si–Sn alloys

Cited by 12 publications

References 25 publications

Young's modulus and damping capacity of Ti 3 Sn intermetallic compound with 1 at% and 3 at% of Zr and Al additions

Young's modulus and damping capacity of Ti 3 Sn intermetallic compound with 1 at% and 3 at% of Zr and Al additions

The role of Fe and Ti additions in the microstructure of Nb–18Si–5Sn silicide-based alloys

The physical chemistry of inorganic materials developed in the studies of V. N. Eremenko’s school: physicochemical analysis and thermodynamics of alloys

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