对于结构、受力及裂纹形态比较复杂的板带轧机轧辊，采用基于应力强度因子的判据是判断断裂的有效方法。
For the strip mill roll which has complex structure, stress and crack, based on the stress intensity factor to fracture criterion is an effective way to judge fracture.
结果表明，电冶钢结合金组织致密、强度高、韧性好，尤其是具有高的抗磨损性能，用其所制的钢丝轧辊成本低、使用寿命高。
The results show that this material has many advantages, such as dense microstructure, high strength, toughness and wearing resistance. The roll from this material has a low cost and long life time.
采用这种液压抱紧装置拆卸轧机的轧辊，可降低劳动强度，提高工作效率。
The hydraulic clamping device can lower the labor intensity and improve the work efficiency in disassembling rollers of the rolling mill.
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