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Residual Stress Evaluation Caused by Press Forming and Welding of 600MPa Class Circular Steel Tube Using Hole-Drilling Strain Gage Method  

Im, Sung Woo (포항산업과학연구원 강구조연구소)
Lee, E.T. (중앙대학교 건축학부)
Shim, Hyun Ju (중앙대학교 대학원 건축학과)
Kim, Jong Won (중앙대학교 대학원 건축학과)
Chang, In Hwa (포항산업과학연구원 강구조연구소)
Publication Information
Journal of Korean Society of Steel Construction / v.18, no.5, 2006 , pp. 625-631 More about this Journal
Abstract
Residual stresses in structural materials are stresses that exist in the objective without the application of any service or other external loads. Manufacturing processes are the most common causes of residual stress. To examine the effect and the distribution of residual stress due to press forming and welding in the production of a 600MPa-class steel tube, a residual stress evaluation test was performed. The measurement used the Hole-Drilling Strain Gauge Method and evaluated the distribution of residual stress, which measured a total of 59 places near the welding line.
Keywords
600MPa Stel Tube; Residual Stres; Hole-Driling Strain Gage Method;
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