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High tensile elongation of a directionally solidified NiAl multiphase alloy at high temperatures
Cui, CY; Guo, JT; Qi, YH; Ye, HQ
Corresponding AuthorCui, CY(cui.chuanyong@nims.go.jp)
2005-04-15
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume396Issue:1-2Pages:194-201
AbstractThe ductility of a directionally solidified Ni-30Al-5Mo-0.5Hf (at.%) alloy was examined in various experimental conditions of temperatures and strain rates. Tensile tests revealed that the present alloy exhibited tensile elongation from room temperature to high temperature, in particular, the large elongations, 140-160%, were observed at high temperatures, depending on the temperature and strain rate. The value of strain rate sensitivity index, m, of 0.27 and the apparent activation energy of 413 kJ/mol were measured. Based on the observed mechanical behavior and microstructures, the mechanism responsible for this large elongation operative at high temperatures was suggested. (c) 2005 Elsevier B.V. All rights reserved.
Keyworddirectional solidification NiAl alloy ductility dynamic recovery and recrystallization
DOI10.1016/j.msea.2005.01.043
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000228740500026
PublisherELSEVIER SCIENCE SA
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82509
Corresponding AuthorCui, CY
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Cui, CY,Guo, JT,Qi, YH,et al. High tensile elongation of a directionally solidified NiAl multiphase alloy at high temperatures[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2005,396(1-2):194-201.
APA Cui, CY,Guo, JT,Qi, YH,&Ye, HQ.(2005).High tensile elongation of a directionally solidified NiAl multiphase alloy at high temperatures.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,396(1-2),194-201.
MLA Cui, CY,et al."High tensile elongation of a directionally solidified NiAl multiphase alloy at high temperatures".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 396.1-2(2005):194-201.
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