발간논문

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Vol.28, No.9, 755 ~ 762, 1990
Title
The Slip - Line Field Analysis of Central Burst Phenomena During Extrusion & Drawing Processes
정성규Sung Kyu Jeong, 이동녕Dong Nyung Lee
Abstract
Occurrence of center burst during wire drawing or extrusion is related to the tensile stresses developed in central plastic region. The stresses in the plastic zone were calculated using the slip-line field theory incorporated with matrix operators. The combinations of process variables such as reduction, die angle, friction, and front or back tension which incur tensile stress in center were obtained and discussed
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