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Strength of Materials

Erschienen in:

09.11.2021

Strength Behavior of Welded Impellers of Centrifugal Compressors Under Long-Term Operation Conditions

verfasst von: N. A. Antipin, S. A. Ivanov, L. B. Getsov

Erschienen in: Strength of Materials | Ausgabe 3/2021

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Abstract

The paper investigates the effect of different variants of welded joints and regions with lack of fusion (LOF) on the overall strength of the centrifugal compressor wheel of a booster compressor station. A fractured large-sized welded wheel was examined using multivariant calculations by the finite element method (FEM) realized by the commercial ANSYS Workbench 19.2 software package. The results of computations include: carrying capacity of the basic and cover discs with and without blades, and wheel deformation mode depending on welded joint types and amounts of failures. The performed numerical analysis made it possible to clarify the reasons of the wheel failure under operation conditions, confirmed by metallographic and fractographic studies.

Vorheriger Artikel Assessment of Damageability of Heat-Resistant Steels by the LM-Hardness Method Under Biaxial Cyclic Tensile Conditions

Nächster Artikel End Hemispherical Cavities Roller: A Comparative Evaluation of Prospects of Higher Fatigue Life

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Titel: Strength Behavior of Welded Impellers of Centrifugal Compressors Under Long-Term Operation Conditions
verfasst von: N. A. Antipin
S. A. Ivanov
L. B. Getsov
Publikationsdatum: 09.11.2021
Verlag: Springer US
Erschienen in: Strength of Materials / Ausgabe 3/2021
Print ISSN: 0039-2316
Elektronische ISSN: 1573-9325
DOI: https://doi.org/10.1007/s11223-021-00313-y

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