刘嘉斌,舒康颖,刘向海,刘薇,曾跃武,张升才

• 1:中国计量学院材料科学与工程学院
• 2:浙江大学材料科学与工程学系

摘要(Abstract)：

通过对Fe-24Mn-0.7Si-1.0Al TWIP钢分别在700℃和1000℃退火不同时间,研究退火对合金显微结构和硬度的影响,并讨论了合金再结晶行为及其对组织性能的影响规律。结果显示:合金通过亚晶界迁移机制形成再结晶晶核,进而长大实现再结晶。合金分别在700℃保温5 min或1000℃保温1 min即可完成再结晶。完成再结晶后随着保温时间延长,晶粒尺寸先迅速增大后趋于饱和,而合金硬度先快速降低后趋于平缓。再结晶过程中位错的消失是导致硬度下降的主要原因。

关键词(KeyWords)： TWIP钢;再结晶;显微组织;硬度

Abstract:

Keywords:

基金项目(Foundation): 浙江省教育厅项目(Y200702634);; 浙江省自然科学基金项目(Y4100193)

作者(Author): 刘嘉斌,舒康颖,刘向海,刘薇,曾跃武,张升才

DOI: 10.13289/j.issn.1009-6264.2011.08.020

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