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题名: High-density stacking faults in a supersaturated nitrided layer on austenitic stainless steel
作者: Tong, Ke1;  Ye, Fei1;  Che, Honglong1;  Lei, Ming Kai1;  Miao, Shu2;  Zhang, Chi3
关键词: nitriding ;  stacking faults ;  microstructure ;  austenitic steel ;  modelling
刊名: JOURNAL OF APPLIED CRYSTALLOGRAPHY
发表日期: 2016-12-01
DOI: 10.1107/S1600576716014266
卷: 49, 页:1967-1971
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary ;  Crystallography
研究领域[WOS]: Chemistry ;  Crystallography
英文摘要: The nitrogen-supersaturated phase produced by low-temperature plasma-assisted nitriding of austenitic stainless steel usually contains a high density of stacking faults. However, the stacking fault density observed in previous studies was considerably lower than that determined by fitting the X-ray diffraction pattern. In this work, it has been confirmed by high-resolution transmission electron microscopy that the strip-shaped regions of about 3-25 nm in width observed at relatively low magnification essentially consist of a series of stacking faults on every second {111} atomic plane. A microstructure model of the clustered stacking faults embedded in a face-centred cubic structure was built for these regions. The simulated X-ray diffraction and transmission electron microscopy results based on this model are consistent with the observations.
关键词[WOS]: X-RAY-DIFFRACTION ;  EXPANDED AUSTENITE ;  LOW-TEMPERATURE ;  CRYSTALLOGRAPHIC STRUCTURE ;  PHASE-TRANSFORMATIONS ;  S-PHASE ;  NITROGEN ;  MICROSTRUCTURE ;  MARTENSITE ;  DIFFUSION
语种: 英语
WOS记录号: WOS:000391195900011
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/151854
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Key Lab Mat Modificat Laser Ion & Electron Beams, Minist Educ, Sch Mat Sci & Engn, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, 457 Zhongshan Rd, Dalian 116023, Peoples R China
3.Tsinghua Univ, Sch Mat Sci & Engn, Beijing 100084, Peoples R China

Recommended Citation:
Tong, Ke,Ye, Fei,Che, Honglong,et al. High-density stacking faults in a supersaturated nitrided layer on austenitic stainless steel[J]. JOURNAL OF APPLIED CRYSTALLOGRAPHY,2016,49:1967-1971.
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