定义 中文名称： 鼓肚 英文名称： bulging 定义： 连铸坯凝壳受到钢水静压力的作用而鼓胀成凸面的现象。 应用学科： 材料科学技术（一级学科）； 金属材料（二级学科）；钢铁材料（二级学科）；钢铁材料
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实例计算了在三种拉坯速度下凝壳热变形和鼓肚变形。
Then the practical example is given to calculate the thermal deformation and the bulging deformation of the solidified shell under three tension speeds.
指出鼓肚变形不仅有瞬时弹性变形，而且还有随时间变化的蠕变变形。
It is pointed out that bulging strain is consisted of not only instaneous elastic strain, but also creep strain which changes with time.
该模型通过预测坯壳应力和鼓肚变形量为现场安全生产提供了理论依据。
The model can provide the theory for the field safety production by the prediction of shell stress and dilatancy distortion value.
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