Exploring Autofrettage Process to Improve the Fatigue Life on High-Pressure Cylinder

Feng Ling Yang; Shi Jin Zhang

doi:10.4028/www.scientific.net/AMM.457-458.518

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 457-458Exploring Autofrettage Process to Improve the...

Exploring Autofrettage Process to Improve the Fatigue Life on High-Pressure Cylinder

Abstract:

Autofrettage process is now widely used to improve fatigue strength of high pressure components. This paper focuses on the fatigue life improvement of the high-pressure cylinder treated by autofrettage process. In this process, a high pressure cylinder treated by autofrettage process has been simulated by using FEA software, and surface variation of the cylinder has been analyzed. To further understand this process, theoretical fatigue analysis has also been carried out.

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Periodical:

Applied Mechanics and Materials (Volumes 457-458)

Pages:

518-521

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.457-458.518

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Online since:

October 2013

Authors:

Feng Ling Yang, Shi Jin Zhang

Keywords:

Autofrettage, Fatigue Life, Finite Element Analysis (FEA), Residual Stress

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