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Unconservatism of Linear-Elastic Fracture Mechanics (LEFM) Analysis Post Autofrettage

Hickman, Heather K. ; Dawicke, David S. ; Leser, William P.

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Título:
Unconservatism of Linear-Elastic Fracture Mechanics (LEFM) Analysis Post Autofrettage
Autor: Hickman, Heather K. ; Dawicke, David S. ; Leser, William P.
Assuntos: Composite Materials ; Space Transportation and Safety ; Structural Mechanics
Notas: LaRC
Langley Research Center
NESC-RP-20-01567
Descrição: The scope of the NASA Engineering and Safety Center (NESC) Unconservatism of Linear-Elastic Fracture Mechanics (LEFM) Analysis Post Autofrettage assessment was to evaluate the influence of the elastic-plastic autofrettage cycle on elastic cycles post autofrettage and generate data to support damage tolerance life analysis verification approach. The decision to include an elastic-plastic autofrettage cycle is informed by other factors beyond damage tolerance, including manufacturing and fatigue crack initiation. The results of the NESC assessment are contained in this report.
Editor: Langley Research Center
Data de criação/publicação: 2023
Idioma: Inglês

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