分别在1 573，1 323 K对UNS S31803双相不锈钢进行了固溶处理，再依次进行了冷轧和退火处理，利用电子背散射衍射和双环电化学动电位再活化法研究了该钢内界面特征分布和晶间腐蚀敏感性，并分析了二者之间的关系。结果表明：在1 573 K固溶并经冷轧退火后，试验钢得到了α+
γ两相均匀分布的等轴组织，出现了大量满足K-S和N-W取向关系的低能相界，且α相中低界面能的小角度晶界所占比例超过50%，这些低能界面抑制了晶粒的长大，提高了试验钢的耐晶间腐蚀性能；在1 323 K固溶并经冷轧退火后，试验钢的显微组织为α+
γ两相条带组织，满足K-S和N-W关系的相界较少，α相中以大角度晶界为主，其耐晶间腐蚀性能较差。
所属栏目
试验研究国家自然科学基金资助项目（51471100）
收稿日期
2016/6/132017/5/18
作者单位
朱言利:山东理工大学机械工程学院, 淄博 255049
许婷:山东理工大学机械工程学院, 淄博 255049
秦聪祥:山东理工大学机械工程学院, 淄博 255049
尹文红:山东理工大学机械工程学院, 淄博 255049
方晓英:山东理工大学机械工程学院, 淄博 255049
备注
朱言利(1991-),男,山东菏泽人,硕士研究生
引用该论文:
ZHU Yanli,XU Ting,QIN Congxiang,YIN Wenhong,FANG Xiaoying.Interfacial Boundary Character Distribution and Intergranular Corrosion Resistance of Duplex Stainless Steel[J].Materials for mechancial engineering,2017,41(8):18～22
朱言利,许婷,秦聪祥,尹文红,方晓英.双相不锈钢内界面特征分布和耐晶间腐蚀性能[J].机械工程材料,2017,41(8):18～22
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