Design of Ultra-High Pressure Cylinders Based on Principle of Autofrettage

Yu Xian Zhang; Fang Yao; Xiao Shuang Men

doi:10.4028/www.scientific.net/AMM.142.24

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 142Design of Ultra-High Pressure Cylinders Based on...

Design of Ultra-High Pressure Cylinders Based on Principle of Autofrettage

Abstract:

Through the analysis of stress in ultra high-pressure cylinders, found that its stress distribution is very uneven. In order to use the principle of autofrettage for improving design of the cylinders, first with Faupel-Furbe formula to calculate estimates of diameter ratio, and thus are inner and outer diameter of the cylinder block. Then the cylinder is determined parameter of autofrettage on the cylinder such as the optimum radius of elastic-plastic junction and the optimum autofrettage pressure. Finally, analysis and calculation of stress in improved design cylinder, the results show that the improved design of cylinder have a greater degree of improvement in weight, size and stress distribution of three areas. Key words: autofrettage; ultra-high pressure cylinders; diameter ratio; stress distribution.

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Periodical:

Applied Mechanics and Materials (Volume 142)

Pages:

24-27

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.142.24

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Online since:

November 2011

Authors:

Yu Xian Zhang, Fang Yao, Xiao Shuang Men

Keywords:

Autofrettage, Diameter Ratio, Stress Distribution, Ultra-High Pressure Cylinders

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References

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