발간논문

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Vol.39, No.3, 293 ~ 301, 2001
Title
Research Paper / Mechaical Behavior : Controlling the Mechanical Properties of the Metallic Sheet via the Confined Strip Shearing Process
이재철Jae Chul Lee,석현광Hyun Kwang Seok,서진유Jin Yoo Seo,정영훈Young Hoon Jung,이호인Ho In Lee
Abstract
A new concept metal forming process termed as the continuous confined strip shearing based on equal channel angular pressing (ECAP), which enables sheet forming in a continuous mode and repeatable manner, is introduced. Both the numerical and experimental studies were carried out to observe the shear deformation patterns during continuous confined strip shearing. An experimental methodology to observe the shear flow patterns formed as a result of the continuous confined strip shearing is demonstrated. Finite element method was used to predict the shear deformation as well as the effective strain induced during the strip shearing process. The effect of the oblique angle, i.e. the shear strain, on the variations in the hardness was studied based on the microstructural changes observed using TEM.
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