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    GAO Kuan-xin. SURFACE LONGITUDINAL CRACK ANALYSIS OF Q345B MEDIUM PLATE[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2007, 43(8): 389-391.
    Citation: GAO Kuan-xin. SURFACE LONGITUDINAL CRACK ANALYSIS OF Q345B MEDIUM PLATE[J]. PHYSICAL TESTING AND CHEMICAL ANALYSIS PART A:PHYSICAL TESTING, 2007, 43(8): 389-391.
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    SURFACE LONGITUDINAL CRACK ANALYSIS OF Q345B MEDIUM PLATE

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      • Abstract
    • The surface longitudinal crack of hot-roll Q345B medium plate was studied by means of metallographic microscopy,scanning electron microscopy and energy spectrum analysis. The results show that the surface longitudinal crack of hot-roll Q345B medium plate is caused by inclusion and surface longitudinal crack of slab. The relative precautions improving continuous casting parameters were offered and good effect was obtained.
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