热轧带钢卷带及其冷却过程AlN沉淀析出模拟研究

钢铁, 2004, 39(3): 38-42.

1.钢铁研究总院结构材料研究所,北京,100081

2.钢铁研究总院结构材料研究所,北京,100081

3.钢铁研究总院结构材料研究所,北京,100081

4.钢铁研究总院结构材料研究所,北京,100081

基金项目: 国家高技术研究发展计划(863计划)(2001AA339030)

STUDY ON THE AlN PRECIPITATION HARDENING SIMULATION OF HOT ROLLED STEEL DURING COIL COOLING

模拟研究了热轧普碳钢带在卷后冷却过程中AlN沉淀析出的情况及其对热轧钢带最终力学性能的影响,结果表明,在相同冷却速率条件下,卷带温度越高,AlN沉淀析出量越多,固溶氮越少.冷却速率越快,AlN沉淀析出量越少,固溶氮越多.不同的工艺参数条件下,可以获得相同的AlN沉淀析出效果.

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