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通过实验室固溶热处理试验和现场热轧工艺试验研究了板坯加热温度对AlN溶解的影响规律,并采用热力学计算进行了验证,比较了不同热轧加热温度的冷轧退火成品板的织构类型特征。研究结果表明:当板坯加热温度大于1 150℃以上时,板坯中的AlN均能较充分溶解,其溶解量大于90%,常规的热轧板坯加热温度能够满足热轧镀锡原板AlN溶解的工艺要求。试验结果为制定合理的热轧镀锡原板加热温度提供了依据。
The effect of slab heating temperature on the dissolution of AlN was studied by laboratory solution heat treatment and field hot rolling process and verified by thermodynamic calculation. The textures of cold-rolled annealed sheets were compared with different hot-rolling temperatures Type characteristics. The results show that when the slab heating temperature is more than 1 150 ℃, the AlN in the slab can be dissolved more than 90%, and the conventional hot slab heating temperature can meet the AlN Dissolved process requirements. The test results provide the basis for setting reasonable heating temperature of hot-rolled tin plate.