Statistical analysis of the fatigue strength characteristics of turbomachine blades

Balashov, B. F.; Khar'kov, V. P.; Yurovskii, Z. Kh.

doi:10.1007/bf01530319

Strength Mater

1984

DOI: 10.1007/bf01530319

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Statistical analysis of the fatigue strength characteristics of turbomachine blades

B. F. Balashov¹,

V. P. Khar'kov²,

Z. Kh. Yurovskii³

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2005

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“…For herringbone lock joints of blades, we established the dependences of the distribution of strains over the teeth of the tail relative to the strains in the root section of the blade as well as the parametric dependences(Fig. 5)taking into account the specific features of the structure of lock joints of the blades of gas-turbine engines and allowing us to predict their endurance limits[4,22,23]. The recommendations aimed at increasing the endurance limits of the lock joints of the blades of compressors and turbines are formulated.The results of fatigue testing of specimens and compressor blades made of titanium alloys together with the data of metallographic investigations enable us to establish the causes of decrease in the fatigue strength of materials promoted by their general and local structural inhomogeneity.…”

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High-Cycle Fatigue of Materials and Parts of Gas-Turbine Engines

Petukhov

2005

Strength Mater

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We present a historical survey of the development of the scientific direction called "Structural Strength" at the Central Institute of Airplane Engine Manufacturing (CIAEM) for the last 30 years in connection with the 100th birthday of Academician S. V. Serensen, founder of this direction in the USSR, and the 75th anniversary of foundation of the CIAEM. We present the principal results obtained by the scientific staff of the Sector of Fatigue Strength of Materials of Gas-Turbine Engines at the CIAEM. In 1941, the Department of Structural Strength was created in the Laboratory of Dynamics and Strength of Engines (since the end of 1940s, it is called the Laboratory of Dynamics and Strength of Gas-Turbine Engines) at the Central Institute of Airplane Engine Manufacturing (CIAEM) on the initiative of S. V. Serensen, Academician of the Ukrainian Academy of Sciences, who headed this department till October 1967.The scientific school of structural strength of materials and parts of airplane engines was founded by S. V. Serensen on the basis of this department. In the course of time, the fundamental, experimental, and research works of this school found wide recognition throughout the world.During the first period of its existence, the most important directions of scientific investigations in the department headed by S. V. Serensen were connected with the following problems:high-cycle fatigue of structural materials for the parts of gas-turbine engines (including full-scale workpieces) and structural elements in broad temperature ranges for different asymmetries of loading cycles with regard for the structural, technological, and operation factors; long-term strength and creep of promising structural materials for given working temperatures and service life; the number of cycles to failure under the action of elevated constant and cyclically varying temperatures (thermal fatigue).Later, S. V. Serensen occupied permanent position at the Institute of Mechanical Engineering of the Academy of Sciences of the USSR and the department was headed by B. F. Balashov.

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High-Cycle Fatigue of Materials and Parts of Gas-Turbine Engines

Petukhov

2005

Strength Mater

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Statistical analysis of the fatigue strength characteristics of turbomachine blades

Cited by 1 publication

References 0 publications

High-Cycle Fatigue of Materials and Parts of Gas-Turbine Engines

High-Cycle Fatigue of Materials and Parts of Gas-Turbine Engines

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