姚圣杰,杜林秀,王国栋

• 1:哈尔滨工业大学(威海)材料科学与工程学院
• 2:东北大学轧制技术及连轧自动化国家重点实验室

摘要(Abstract)：

观察并研究了Nb-V-Ti微合金钢中超细晶奥氏体在不同等温温度下的长大动力学行为。基于Beck方程以及普遍适用性的长大动力学方程,分析时间因子n的变化趋势。结果表明,在等温温度大于1000℃条件下时间因子n值才趋于稳定值0.28±0.02,并发现奥氏体晶粒超细化后曲率半径的减小以及固溶的微合金元素含量是影响时间因子的主要原因。

关键词(KeyWords)： 奥氏体;超细晶;长大动力学

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(50527402);; 哈尔滨工业大学创新科研基金(HIT.NSRIF.2011/02)

作者(Author): 姚圣杰,杜林秀,王国栋

DOI: 10.13289/j.issn.1009-6264.2012.01.029

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