实验采用高压再结晶方法对冷轧15钢进行处理,使用TEM法观察和分析样品的组织形貌,并测量了再结晶晶粒尺寸.结果表明,样品分别在高压3 GPa和4.5 GPa下经600 ℃×30 min退火,比在常压下600 ℃×30 min退火的再结晶晶粒明显细化.随着压力的升高,晶粒尺寸减小.并初步讨论了高压再结晶的机制.
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