中厚板表层超细晶对止裂性能的影响 |
Effect of Surface Layer with Ultrafine Grains on Crack Arrestability of Heavy Plate |
图7 TRRP钢表层、TMCP钢表层和TMCP钢t/2处示波冲击断口形貌 |
Fig.7 Fractographs of instrumented impact samples (Figs.7b, e and h are magnified images of marked area in Figs.7a, d and g. Figs.7c, f and i are cross section images of fracture)((a~c) surface layer of TRRP steel (d~f) surface layer of TMCP steel (g~i) t/2 of TMCP steel) |
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