Autofrettage is beneficial for the high pressure cylinder.

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Autofrettage is beneficial for the high pressure cylinder.

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A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the interference [E=210kN/mm²].

asked Jan 27 in Machine Design by Carter (89.5k points)

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A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the radial stresses due to shrink shift in jacket.

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A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². Calculate the radial stress due to shrink shift in inner tube.

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A high pressure cylinder consists of a steel tube with inner and outer diameters 30 and 60mm respectively. It is jacketed by an outer steel tube, having an outer diameter of 90mm. Maximum principal stress induced is 80N/mm². In service the cylinder is further subjected to an internal pressure of 25MPa. Calculate the radial stress in compound cylinder.

asked Jan 23 in Machine Design by Carter (89.5k points)

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Chris · Answer 1 · 2026-02-02T14:43:18+0000

The recommended answer is (a) True

For the easiest explanation: It increases pressure capacity of the cylinder and reduces compressive stresses.

Autofrettage is beneficial for the high pressure cylinder.

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