严菊杰,邱涛,沈琴,王晓姣,刘文庆

• 1:上海大学微结构重点实验室

摘要(Abstract)：

通过机械合金化(MA)和热等静压(HIP)技术制备14 YWT-ODS铁素体钢,将其分别在1100、1200和1300℃真空退火1 h并测试显微硬度,用原子探针层析技术(APT)对这些样品进行分析。结果表明,与HIP态样品相比,1100℃退火样品硬度略有降低,1200℃退火样品硬度下降明显,1300℃退火样品硬度显著下降;1100℃退火样品中Y-Ti-O纳米团簇大小未发生明显变化,高于1200℃退火时,样品中Y-Ti-O团簇粗化明显,数量密度显著降低。

关键词(KeyWords)： ODS铁素体钢;Y-Ti-O纳米团簇;原子探针层析技术;稳定性

Abstract:

Keywords:

基金项目(Foundation): 上海市科学技术委员会重点项目(12JC1404000)

作者(Author): 严菊杰,邱涛,沈琴,王晓姣,刘文庆

DOI: 10.13289/j.issn.1009-6264.2015.07.023

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