CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
The Effect of Grain Size and Dislocation Density on the Tensile Properties of Ni-SiCNP Composites During Annealing
Yang, C; Huang, HF; Thorogood, GJ; Jiang, L; Ye, XX; Li, ZJ; Zhou, XT; Zhou, XT (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
2016
Source PublicationJOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE
ISSN1059-9495
Volume25Issue:3Pages:726—733
Subtype期刊文献
AbstractThe grain size refinement, enhancement of mechanical properties, and static recrystallization behavior of metallic nickel-silicon carbide nano-particle (Ni-3wt.%SiCNP) composites, milled for times ranging from 8 to 48 h have been examined. One set of Ni-SiCNP composite samples were annealed at 300 A degrees C for 250 h, while the other set of samples were maintained at room temperature for control purposes (reference). The electron backscatter diffraction results indicate that the grain size of the annealed Ni-SiCNP composite was refined due to grain restructuring during static recrystallization. The x-ray diffraction results indicate that low-temperature annealing effectively reduced the density of dislocations; this can be explained by the dislocation pile-up model. Additionally, the tensile tests indicated that the annealed Ni-SiCNP composite had a significant increase in strength due to an increase of the Hall-Petch strengthening effect with a slight increase in the total elongation. The decrease of dislocation pile-up in the grain interiors and the increase in grain boundary sliding are assumed to be the main mechanisms at play. The relationship between the microstructural evolution and the variation of tensile properties is examined in this study.
KeywordFlinak Salt Environments Hall-petch Relation Nanocrystalline Materials Microcrack Formation Milling Time Microstructure Corrosion Behavior Alloys Recrystallization
DOI10.1007/s11665-016-1938-2
Indexed BySCI
Language英语
WOS IDWOS:000372309100002
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25863
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorHuang, HF; Zhou, XT (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Yang, C,Huang, HF,Thorogood, GJ,et al. The Effect of Grain Size and Dislocation Density on the Tensile Properties of Ni-SiCNP Composites During Annealing[J]. JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,2016,25(3):726—733.
APA Yang, C.,Huang, HF.,Thorogood, GJ.,Jiang, L.,Ye, XX.,...&Zhou, XT .(2016).The Effect of Grain Size and Dislocation Density on the Tensile Properties of Ni-SiCNP Composites During Annealing.JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE,25(3),726—733.
MLA Yang, C,et al."The Effect of Grain Size and Dislocation Density on the Tensile Properties of Ni-SiCNP Composites During Annealing".JOURNAL OF MATERIALS ENGINEERING AND PERFORMANCE 25.3(2016):726—733.
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