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High-resolution transmission electron microscopy study of body-centered tetragonal Zr2Fe nanoparticle phase in Zircaloy-4 alloy and its typical crystalline detect structures
Han, Fuzhou1,2; Yuan, Fusen1,2; Li, Geping1,2; Zhang, Yingdong1,2; Guo, Wenbin1,2; Ali, Muhammad1,2; Ren, Jie1,2; Liu, Chengze1,2; Gu, Hengfei2,3; Yuan, Gaihuan4
Corresponding AuthorLi, Geping(gpli@imr.ac.cn)
2021-08-19
Source PublicationJOURNAL OF MATERIALS SCIENCE
ISSN0022-2461
Pages9
AbstractTransmission electron microscopy (TEM) and energy-dispersive X-ray spectroscopy have been employed for crystallographic and microstructural characterization of nano-precipitates distributed within the alpha-Zr matrix of the Zircaloy-4 (Zr-4) alloy. These nano-precipitates, typically with an average length between 200 and 500 nm, have been identified as the C16-type Zr2Fe phase. A massive presence of randomly distributed planar defects, including stacking faults and sub-unit cell twins, were detected. Atomic-scale configurations of the intrinsic planar defects in the Zr2Fe nanoparticle phase were investigated, for the first time, through high-resolution TEM analysis. Results show that the stacking faults are extended on (110) planes with a displacement vector of 1/4[1 (1) over bar1]. HRTEM observations and electron diffraction patterns acquired by specimen tilting reveal that these twin defects belong to 60 degrees rotation twin with the rotation axis along the [110] direction. Geometric analysis based on the the TEM results reveals that the twinning plane and direction are 1 (1) over bar2 and [3 (3) over bar2]. [GRAPHICS] .
DOI10.1007/s10853-021-06424-w
Indexed BySCI
Language英语
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000686439800002
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/159297
Collection中国科学院金属研究所
Corresponding AuthorLi, Geping
Affiliation1.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shi Changxu Innovat Ctr Adv Mat, 72 Wenhua Rd, Shenyang 110016, Peoples R China
3.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
4.State Nucl Bao Ti Zirconium Ind Co, Baoji 721013, Peoples R China
Recommended Citation
GB/T 7714
Han, Fuzhou,Yuan, Fusen,Li, Geping,et al. High-resolution transmission electron microscopy study of body-centered tetragonal Zr2Fe nanoparticle phase in Zircaloy-4 alloy and its typical crystalline detect structures[J]. JOURNAL OF MATERIALS SCIENCE,2021:9.
APA Han, Fuzhou.,Yuan, Fusen.,Li, Geping.,Zhang, Yingdong.,Guo, Wenbin.,...&Yuan, Gaihuan.(2021).High-resolution transmission electron microscopy study of body-centered tetragonal Zr2Fe nanoparticle phase in Zircaloy-4 alloy and its typical crystalline detect structures.JOURNAL OF MATERIALS SCIENCE,9.
MLA Han, Fuzhou,et al."High-resolution transmission electron microscopy study of body-centered tetragonal Zr2Fe nanoparticle phase in Zircaloy-4 alloy and its typical crystalline detect structures".JOURNAL OF MATERIALS SCIENCE (2021):9.
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