Analysis of Orange Peel Defect in St14 Steel Sheet by Electron Backscattered Diffraction (EBSD)

材料科学技术（英文）, 2005, 21(1): 17-20.

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1.Key Laboratory of the Ministry of Education for High Temperature Materials and Testing, Shanghai Jiao Tong University, Shanghai 200030, China

2.Key Laboratory of the Ministry of Education for High Temperature Materials and Testing, Shanghai Jiao Tong University, Shanghai 200030, China

3.Key Laboratory of the Ministry of Education for High Temperature Materials and Testing, Shanghai Jiao Tong University, Shanghai 200030, China

4.Research Institute, Shanghai Baosteel Group Corp., Shanghai 201101, China

基金项目: 国家自然科学基金(50171040)

Analysis of Orange Peel Defect in St14 Steel Sheet by Electron Backscattered Diffraction (EBSD)

Keywords： Electron backscattered diffraction (EBSD)

In this paper, the orange peel defect in the surface range of the st14 steel sheet has been investigated using the electron backscattered diffraction (EBSD) technique. It has been found that the orange peel defect in the st14steel sheet was resulted from the local coarse grains which were produced during hot-rolling due to the critical deformation in dual-phase zone. During deep drawing, the coarse grains with {100}＜001＞ microtexture can slip on the {112}＜111＞ slip system to form bulging and yields orange peel defects, while the coarse grains with {112}＜110＞orientation do not form the defect as the Schmid factor of {112}＜111＞ slip system in it equals zero.

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Analysis of Orange Peel Defect in St14 Steel Sheet by Electron Backscattered Diffraction (EBSD)

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