韩文妥,贺建超,万发荣

• 1:北京科技大学材料科学与工程学院
• 2:中国航空制造技术研究院

摘要(Abstract)：

利用三维原子探针技术,研究了纳米氧化物弥散强化铁素体钢14YWT的晶界偏析。结果表明:Cr、W、Y、Ti、O和C元素在晶界处富集;Y、Ti、O在晶界处存在于氧化物粒子中,是纳米粒子的主要组成元素;Cr在纳米氧化物粒子周围富集,形成壳状结构;氧化物粒子对W在晶界处的分布无明显影响。

关键词(KeyWords)： ODS钢;纳米氧化物粒子;三维原子探针;晶界;偏析

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划专项(2017YFE0301400);; 国家自然科学基金(91860115);; 北京市自然科学基金(2182043)

作者(Author): 韩文妥,贺建超,万发荣

DOI: 10.13289/j.issn.1009-6264.2019-0315

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