海洋平台用Ni-Cr-Mo-B超厚钢板的截面效应
张守清1,2, 胡小锋1, 杜瑜宾1,2, 姜海昌1, 庞辉勇3, 戎利建1()
Cross-Section Effect of Ni-Cr-Mo-B Ultra-Heavy Steel Plate for Offshore Platform
ZHANG Shouqing1,2, HU Xiaofeng1, DU Yubin1,2, JIANG Haichang1, PANG Huiyong3, RONG Lijian1()

图7. Ni-Cr-Mo-B超厚板不同位置的晶界分布图
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(a) 1 mm;(b) 6 mm;(c) 11 mm;(d) 19 mm;(e) 32 mm;(f) 58 mm

Fig.7. Grain boundary distribution maps for the Ni-Cr-Mo-B ultra-heavy plate at different positions (The black and red lines indicate the boundaries with misorientations of higher than 15° and 2°~15°, respectively)