首页|Finite Element Simulation on Superplastic Forming of Outer Jacket of Combustion Chamber
Finite Element Simulation on Superplastic Forming of Outer Jacket of Combustion Chamber
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NETL
NSTL
Trans Tech Publications Ltd
In this paper, mould configurations are studied by finite element simulation for superplastic blow forming of combustion chamber outer jacket. One concave and two convex mould configurations are basically considered to determine which type would be advantageous in terms of forming time and thickness distribution. For the simulation, the flow stress equation of duplex stainless steel was determined from free bulging test. The simulation results showed that the concave type was quit a bit different from the other two cases. The concave mould configuration produced shorter forming time and thicker thickness distribution than the others, and it seems to be more effective for superplastic forming of outer jacket. The obtained pressure profile for the concave mould configuration was employed in actual forming and the thickness distribution was compared for the verification.
combustion chamberouter jacketmould configurationconvex formingconcave formingsuperplastic formingsimulationfinite element
Jong-Hoon Yoon、Yeng-Moo Yi、Ho-Sung Lee
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45 Eoeun-Dong Yuseong-Gu Daejeon 305-333 Republic of Korea
NETL
NSTL
Trans Tech Publications Ltd
