Kinetics of structure transformations and phase transition in VT5 titanium alloy

Lyakhovitskii, M. M.; Минина, Н. А.; Roshchupkin, V. V.; Pokrasin, M. A.; Sobol, N. L.

doi:10.1134/s0018151x11030114

Cited by 4 publications

(2 citation statements)

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“…Figure 3 interspersed in a field with a base structure. Such a three-layer structure of the surface nitrided layer is formed during the nitriding of titanium and αalloys in a certain temperature range above the temperature of the α → β phase transition, which for the VT5 alloy, according to various literature data [12,13], is in the temperature range of 940 -990 °C. The outer layer is titanium nitride TiN x , then the layer in which the transition from the β phase to the α-phase occurred due to its saturation with nitrogen to a concentration sufficient for such a transition at the nitriding temperature.…”

Section: Resultsmentioning

confidence: 99%

Tribological characteristics of samples made from titanium alloy VT5 nitrided in plasma glow discharge

Sagalovych¹,

Sagalovych²,

Popov³

et al. 2022

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The effect of nitriding of VT5 alloy (3.7115) in the plasma of a glow discharge excited in a hollow cathode on its tribological characteristics in pairs with different materials in jet fuel TS-1 and under dry sliding conditions has been studied. For research and tribological tests, samples of VT5 alloy were nitrided in the plasma of a glow discharge excited in a hollow cathode at a temperature of 975 ± 15 °C and a pressure of 58 ± 2 Pa in a nitrogen-argon gas mixture with a nitrogen content of 78 vol. %. Tribological tests were performed on a friction machine 2070 SMT-1 according to the scheme "cube-roller". Tests under conditions of sliding with jet fuel TS-1 were performed at a load of 200 N. The sliding speed during the tests was 1.3 m/s, and the test time was 75 s. The test under dry sliding conditions was carried out at a load of 100 N and a sliding speed of 0.785 m/s. The test time was 30 minutes. It is shown that the nitrided VT5 alloy in friction pairs with several materials has rather low wear values (≤ 2.26 × 10–6 mm3/Nm), as well as a coefficient of friction at the level of 0.08 to 0.12.

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Section: Resultsmentioning

confidence: 99%

Tribological characteristics of samples made from titanium alloy VT5 nitrided in plasma glow discharge

Sagalovych¹,

Sagalovych²,

Popov³

et al. 2022

tribomat

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show abstract

“…Previously, according to the same technique, we inves tigated the acoustic properties of titan alloys [12,13] and construction materials [14]. The technique sets up strong requirements for both the carrier signal genera tion and the geometrical shape of the sample itself.…”

Section: Technique Of Measurements Of the Cobalt Acoustic Propertiesmentioning

confidence: 99%

Investigation of the acoustic properties of cobalt

et al. 2014

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The results of the experimental investigation of the acoustic (ultrasound velocity and attenuation coefficient) and acoustic emission properties, as well as of the relative thermal expansion of cobalt, within the temperature range of 20-1100°C are presented. By the mean square method, we obtain the approximat ing equations for the temperature dependencies of the investigated and the calculated thermophysical cobalt properties.

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Experimental investigation of acoustic properties of titanium alloys in the temperature range of 20–1000°C

et al. 2013

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Kinetics of structure transformations and phase transition in VT5 titanium alloy

Cited by 4 publications

References 0 publications

Tribological characteristics of samples made from titanium alloy VT5 nitrided in plasma glow discharge

Tribological characteristics of samples made from titanium alloy VT5 nitrided in plasma glow discharge

Investigation of the acoustic properties of cobalt

Experimental investigation of acoustic properties of titanium alloys in the temperature range of 20–1000°C

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