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首页> 外文期刊>ISIJ international >Effect of Hot-band Annealing Condition on Secondary Recrystallization in Grain-oriented 2.3Si-1.7Mn Steel
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Effect of Hot-band Annealing Condition on Secondary Recrystallization in Grain-oriented 2.3Si-1.7Mn Steel

机译：热轧带退火条件对晶粒取向2.3Si-1.7Mn钢二次再结晶的影响

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摘要

The effect of hot-band annealing temperature on secondary recrystallization was investigated using the hot-rolled steel sheets containing ultra-low C-2.3Si-1.7Mn-0.01sol. Al of 2.3mm thickness. The followings were found. When the hot-bands doens's recrystallize after the hot-band annealing at 600 and 625 deg C, secondary recrystallization of the {110}<001> orientation mixed with the {211}<011> orientation forms. This is because the {110}<001> orientation density is too weak in the primary recrystallization texture. That also occurs when the inhibitor is too weak in the secondary recrystallization stage. Fully recrystallized hot-band after annealing at 700 deg C leads to no secondary recrystallization. The reason is that very coarse primary recrystallized grains at the center layer prevent secondary recrystallization. Secondary recrystallization of the {110}<001> orientation evolves completely when only near surface layer but not the center layer of the hot-band recrystallize after the hot-band annealing at 650 and 675 deg C. The reason is because amount of {110}<001> component in the primary texture, the inhibitor intensity and the primary matrix grain size structure are satisfied.
机译：使用含有超低C-2.3Si-1.7Mn-0.01sol的热轧钢板，研究了热带退火温度对二次再结晶的影响。 Al为2.3mm的厚度。发现以下内容。当热带在600和625摄氏度的热带退火后发生重结晶时，{110} <001>取向与{211} <011>取向混合的二次再结晶形成。这是因为{110} <001>取向密度在一次再结晶织构中太弱。当抑制剂在二次重结晶阶段太弱时，也会发生这种情况。在700℃退火后，完全重结晶的热带不会导致二次重结晶。原因是在中心层非常粗的一次再结晶晶粒阻止了二次再结晶。 {110} <001>取向的二次再结晶在仅在650和675℃的热能带退火后仅在热能带的表层附近而不是中心层重结晶时才完全发生。原因是{110的量} <001>主要结构中的组分，抑制剂强度和主要基体晶粒尺寸结构均得到满足。

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