为了对济钢Q345B中厚板的常温夏比冲击吸收功进行预报并指导生产,采用神经元网络建立了冲击吸收功与化学成分、工艺参数、屈服强度及抗拉强度等因素间的关系预报模型.并分别采用实测与预测的强度值对夏比冲击吸收功进行了预报,预报结果和实测值吻合较好.在此基础上,将化学成分及生产工艺对冲击吸收功的影响进行了计算分析,得出了与基本物理冶金学规律一致的计算结果.因此,在给定化学成分、成品厚度和实测强度或强度指标可精确预报的条件下,所建立的模型能预报济钢Q345B热轧中厚板的常温冲击吸收功.
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