利用EBSD技术研究了不同热轧温度下436不锈钢热轧织构的变化规律和显微组织特征.试验中选取不同的热轧初轧和终轧温度:分别在1 080和1 050℃开轧,850和800℃终轧.结果表明:较低温下开轧、终轧晶粒内部的缺陷较多,表现为较大的累积取向差,而较高温度下开轧、终轧其累积取向差明显低于低温热变形下的样品;在较高温条件下变形会形成很强(001)[(-1)(-1)0]织构组分,较低温度下变形在其亚表层和中心层出现了与冷轧织构组分相似的(001)[1(-1)0]、(112)[1(-1)0]和一定量的γ织构组分.
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