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本文是在实验室条件下,对柱状晶发达的3.0％硅钢连铸坯进行的热塑性变形抗力模拟试验。试验结果表明,在800～1250℃温度范围内,变形程度为8～80％、变形速度为12～120/秒时,3.0％硅钢的热塑性变形抗力(σ_p)随试验温度的升高而减小,随变形程度(ε)和变形速度(?)的增加而增大。与普碳钢BY1比较,在同等条件下,BY1的变形抗力比3.0％硅钢大3～5Skg/mm~2。
In this paper, under the laboratory conditions, the columnar grain developed 3.0% of the silicon steel billet thermoplastic deformation resistance simulation test. The experimental results show that the deformation resistance (σ_p) of 3.0% silicon steel decreases with the increase of the test temperature at the temperature range of 800 ~ 1250 ℃ with the deformation of 8 ~ 80% and the deformation speed of 12 ~ 120 / , With the degree of deformation (ε) and deformation rate (?) Increases. Compared with general carbon steel BY1, under the same conditions, the deformation resistance of BY1 is 3 ~ 5Skg / mm ~ 2 larger than that of 3.0% silicon steel.