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材料研究学报  2008, Vol. 22 Issue (2): 191-196    
  论文 本期目录 | 过刊浏览 |
形变热处理对T91钢组织和性能的影响
宁保群; 刘永长; 徐荣雷; 杨留栓
天津大学材料科学与工程学院
引用本文:

宁保群; 刘永长; 徐荣雷; 杨留栓 . 形变热处理对T91钢组织和性能的影响[J]. 材料研究学报, 2008, 22(2): 191-196.

全文: PDF(1071 KB)  
摘要: 用热模拟机模拟T91铁素体耐热钢的形变热处理工艺, 在T91钢的奥氏体未再结晶区(650-850℃)对其进行不同程度的变形, 研究了直接淬火对T91钢的组织形成和力学性能的影响. 结果表明: 与传统热处理相比, 形变热处理不仅使T91钢的组织明显细化, 而且生成更多的MX型纳米级碳氮化物颗粒. 通过拉伸实验表明: 形变热处理工艺可以明显提高T91钢的强度, 进而达到提高其使用温度的目的.
关键词 金属材料形变热处理铁素体耐热钢    
Key words
收稿日期: 2007-07-11     
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