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http://dx.doi.org/10.6108/KSPE.2016.20.5.051

High-Temperature Deformation Behavior of a STS 321 Stainless Steel  

Lee, Keumoh (Combustion Chamber Team, Rocket Engine Development Office, Korea Aerospace Research Institute)
Ryu, Chulsung (Combustion Chamber Team, Rocket Engine Development Office, Korea Aerospace Research Institute)
Heo, Seongchan (Combustion Chamber Team, Rocket Engine Development Office, Korea Aerospace Research Institute)
Choi, Hwanseok (Combustion Chamber Team, Rocket Engine Development Office, Korea Aerospace Research Institute)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.20, no.5, 2016 , pp. 51-59 More about this Journal
Abstract
STS 321 stainless steel is generally used for a material of high-temperature and high-pressure system including liquid rocket engine. The constitutive equation for flow stress has been suggested using thermal stress component and athermal stress component based on Kocks dislocation barrier model to predict 321 stainless steel's deformation behavior at elevated temperature. The suggested model predicted well the material deformation behaviors of 321 stainless steel at the wide temperature range from room temperature to $500^{\circ}C$.
Keywords
Energy Barrier Model; Flow Stress; High Temperature; Combustion Chamber; Stainless Steel;
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Times Cited By KSCI : 2  (Citation Analysis)
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