A Study on the Factors Affecting the Formability of TMCP Steel for Curved Hull Plate |
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| Journal | Materials Science Forum (Volumes 580 - 582) |
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| Volume | Advanced Welding and Micro Joining / Packaging for the 21st Century |
| Edited by | Changhee Lee, Jong-Bong Lee, Dong-Hwan Park and Suck-Joo Na |
| Pages | 695-698 |
| DOI | 10.4028/www.scientific.net/MSF.580-582.695 |
| Citation | Sang Beom Shin et al., 2008, Materials Science Forum, 580-582, 695 |
| Online since | June, 2008 |
| Authors | Sang Beom Shin, Ha Geun Kim, Kyeong Gyu Kim |
| Keywords | Cold Being, Curved Hull Plate, Flatness, Formability, Hot-Forming, Local Heating, Residual Stress, TMCP Steel |
| Abstract | The purpose of this study is to identify the principal factors controlling the formability of TMCP steel for curved hull plate. In order to do it, the initial residual stress in TMCP steel was evaluated using flatness measured in the flat bar cut by flame and analytical approach. Changes of the curved profiles in conventional steel and EH 36 TMCP steel of 50mm thick during cold bending and local heating were investigated using 3 dimensional measuring instruments. It was found that the formability in TMCP steel was mainly determined by the excessive distortion by the relaxation of residual stress during cold bending. |
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