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.
该球化剂应用于高炉冷却壁，轧辊等关键球铁件上可提高抗拉强度和伸长率。
The properties of cores in the casts are enhanced when using this nodulizer in the key ductile iron casts, such as cooling wall of blast furnace and roller.
轧辊不仅需要具备高强度和高耐磨性，还必须具有高的抗热疲劳强度和耐腐蚀性以及抗氧化性，是轧钢行业的主要消耗件之一。
Roll collar, needing not only high strength and wear resistance but also thermal fatigue resistance and corrosion resistance, was one of the components which were damaged easily in rolling process.
过大的局部超负荷超过轧辊外层的抗剪切强度时则会引发裂纹。
High local loads at leading edges, cobbles or doubling of the strip end (tail end pinching), exceed the shear strength of the shell material and initiate the crack.
过大的局部超负荷超过轧辊外层的抗剪切强度时则会引发裂纹。
High local loads at leading edges, cobbles or doubling of the strip end (tail end pinching), exceed the shear strength of the shell material and initiate the crack.
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