Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 8, issue 2
Articles | Volume 8, issue 2
https://doi.org/10.5194/ms-8-267-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/ms-8-267-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 8, issue 2
Research article
 | 
28 Aug 2017
Research article |  | 28 Aug 2017

An alternative design method for the double-layer combined die using autofrettage theory

Chengliang Hu, Fengyu Yang, Zhen Zhao, and Fan Zeng

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Latest update: 09 May 2025
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Short summary
An alternative design method of the double-layer combined die using autofrettage theory is proposed. The relationship between the autofrettage pressure and the yield radius of the die insert is obtained, and expressions of residual stresses and displacements, which are directly related to geometric parameters, material properties and internal pressure, are derived. Compared with the conventional combined die, the autofrettaged die can bear larger working pressure, as expected.
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