Main Problems in the Creation of Thermal-Protection Systems Based on Structurally Heterogeneous Materials and the Methods of Their Solution

The paper is devoted to the problem of fatigue failure of two-phase titanium alloy VT3-1 under the action of high-frequency cyclic loading. Samples for the tests were made from the compressor disk of aviation engine D30-Ku installed on Tupolev Tu-154 planes. Repeated alternating loading was carried out by displacements of small amplitude at 20 kHz, coinciding with the first harmonic of longitudinal elastic vibrations of the sample. Analysis of specimen fracture surfaces shows predominant subsurface fracture. Analysis of areas of fatigue nucleation allows identifying elements of microstructure associated with crack nucleation. The results of the study can be used in the interpretation of fracture scenarios of structural elements in operation. Increasing the resource of products under such loads is possible through the use of damping layers or tapes, where possible.

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Fracture of aircraft titanium alloys under high-frequency loading

Nikitin

Shesterkin

Lopatin

2023

SN Appl. Sci.

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Development of Cf/C-UHTC composite and study of its resistance to oxidation and ablation in high-speed high-enthalpy air plasma flow

Astapov,

Pogodin,

Sukmanov

et al. 2024

International Journal of Lightweight Materials and Manufacture

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Advances in the Carbon-Ceramic Composites Oxidation and Ablation Resistance: A Review

Didenko,

Astapov

2024

International Journal of Lightweight Materials and Manufacture

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Main Problems in the Creation of Thermal-Protection Systems Based on Structurally Heterogeneous Materials and the Methods of Their Solution

Cited by 18 publications

References 253 publications

Fracture of aircraft titanium alloys under high-frequency loading

Fracture of aircraft titanium alloys under high-frequency loading

Development of Cf/C-UHTC composite and study of its resistance to oxidation and ablation in high-speed high-enthalpy air plasma flow

Advances in the Carbon-Ceramic Composites Oxidation and Ablation Resistance: A Review

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