New correlative method of thermodynamic analysis of the inorganic compounds

Vasilyev, V.P.; Taldrik, A.F.; Ilinykh, N. I.

doi:10.1051/matecconf/20130301078

Cited by 6 publications

(4 citation statements)

References 20 publications

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“…Data on the intermetallic compounds and various phases formation are taken from a number of verifiable sources [ 39 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 ], as well as form the IVTANTERMO ® database, the US National Bureau of Standards [ 57 , 58 ]. Due to the lack of research and the values of changes in thermodynamic properties, the standard entropy, standard enthalpy, density, and coefficients for the heat capacity polynomial are calculated according to the well-known methods [ 59 , 60 , 61 , 62 , 63 ]. In the database of thermodynamic substances used in the Terra ® software, properties are expressed in different ways.…”

Section: Resultsmentioning

confidence: 99%

Preparation and Study of Composite Materials of the NiAl-Cr-Mo-Nanoparticles (ZrO2, MgAl2O4) System

Агуреев¹,

Костиков

Савушкина

et al. 2022

Materials

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Materials based on the NiAl-Cr-Mo system with zirconium oxide or aluminum-magnesium spinel nanoparticle small additions were obtained by spark plasma sintering. Thermodynamic modeling was carried out to predict the phase formation in the NiAl-Cr-Mo system and its change depending on temperature, considering the presence of a small amount of carbon in the system. The phase composition and microstructure of materials were studied. NiAl (B2) and CrMo phases were found in the sintered samples. Bending strength measurements at different temperatures shows that nanoparticles of insoluble additives lead to an increase in bending strength, especially at high temperatures. A fractographic analysis of the sample’s fractures shows their hybrid nature and intercrystalline fracture, which is confirmed by the clearly visible matrix grains similar to cleavage. The maximum strength at 700 °C (475 MPa) was found for material with the addition of 0.1 wt.% zirconium oxide nanoparticles. In the study of internal friction, typical peaks of a nickel-aluminum alloy were found in the temperature ranges of 150–200 °C and 350–400 °C.

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Section: Resultsmentioning

confidence: 99%

Preparation and Study of Composite Materials of the NiAl-Cr-Mo-Nanoparticles (ZrO2, MgAl2O4) System

Агуреев¹,

Костиков

Савушкина

et al. 2022

Materials

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“…However, it should be noted that in the available literature, information about the thermodynamic properties of a number of binary compounds in the condensed state (solid and liquid) is absent, and sometimes contradictory. Therefore, thermodynamic properties (standard enthalpy and entropy of formation, temperature dependences of heat capacities) were calculated using various calculation methods (see, for example, [25][26][27]). Fig.1 shows the temperature dependences of the content of components of the condensed phase formed during equilibrium heating of PGSR-2 (a) and PGSR-4 (b) alloys.…”

Section: Resultsmentioning

confidence: 99%

Thermodynamic modeling of composition and propereties of self-fluxing materials based on the nickel

et al. 2020

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Self-fluxing nickel or cobalt-based alloys that use boron, phosphorus or silicon, as melting point depressants and fluxing agents are thermodynamic simulation of self-fluxing materials Ni-0.5C-15Cr-3.2Si-2B (PGSR-2) and Ni-1C-17Cr-4.1Si-3.6B (PGSR-4) was performed. As the software for simulation of phase and chemical equilibrium the TERRA software package was used. The simulation was carried out in the temperature range 300–3000 K at a total pressure P = 105 Pa in an argon atmosphere. The temperature dependences of the equilibrium composition and thermodynamic characteristics (enthalpy, entropy, and Gibbs energy) of the alloys of the investigated systems were calculated. It is shown that Ni, Cr, C, Ni3B, Ni2B, NiB, Ni2Si, NiSi, CrB, CrSi can be formed in the condensed phase under equilibrium heating of PGSR-2. When PGSR-4 is heated in the condensed phase, along with the above components, Cr5B3, CrB2 and Cr3C2 compounds can be formed. The temperature dependences of the thermodynamic characteristics of the systems studied have kinks that can be explained by phase transformations.

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“…However, it should be noted that in the available literature, information on the thermodynamic properties of a number of binary compounds in the condensed state (solid and liquid) are absent, and sometimes contradictory. Therefore, the thermodynamic properties (standard enthalpies and entropies of formation, temperature dependences of heat capacities, enthalpy increment 0 298 − 0 0 ) were calculated using various methods, [see, for example, [18][19][20][21]).…”

Section: Technogen-2019mentioning

confidence: 99%

Using of Technogenic Raw Materials Based on Titanium-containing Slag and Aluminum Bronze for the Development of Composite Material

Zakharov

Ilinykh

Романова

et al. 2020

Kms

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In this study, the possibility of using of the following technogenic raw materials to obtain a composite material was considered: titanium-containing slag, with the addition of aluminum bronze grade PG-19M-01 (TU 48-4206-156-82) and aluminum powder grade PA-4 (GOST 6058-73). The percentage of components in the mixture were as follows (wt. %): slag - 40, PG-19M-01 - 30, PA-4 - 30. A thermodynamic simulation of the selected system was preliminarily carried out using TERRA program in the temperature range 273 - 4273 K. The chemical and granulometric composition of the initial powders was investigated. From the powder mixture there were compressed the tablets and then they were sintered in an inert atmosphere. Micro-X-ray analysis of sintered samples showed that they consist of large particles of various shapes, most likely containing titanium and iron aluminides, their compounds between themselves and with copper. Keywords: titanium-containing slag, composite material, thermodynamic modeling, intermetallic compounds, pressing, powder materials

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New correlative method of thermodynamic analysis of the inorganic compounds

Cited by 6 publications

References 20 publications

Preparation and Study of Composite Materials of the NiAl-Cr-Mo-Nanoparticles (ZrO2, MgAl2O4) System

Preparation and Study of Composite Materials of the NiAl-Cr-Mo-Nanoparticles (ZrO2, MgAl2O4) System

Thermodynamic modeling of composition and propereties of self-fluxing materials based on the nickel

Using of Technogenic Raw Materials Based on Titanium-containing Slag and Aluminum Bronze for the Development of Composite Material

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