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Microstructure and tensile properties of Zr-doped Ni3Al alloys at different heat-treatment temperatures
Li, YF; Guo, JT; Zhou, LZ; Ye, HQ
Corresponding AuthorGuo, JT()
2003-08-11
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume39Issue:8Pages:821-825
AbstractThe microstructure and tensile properties of Zr doped cold-rolled polycrystalline Ni3Al alloys at room temperature were influenced by heat-treatment temperature. The results show that the proper heat-treatment temperature could improve both the ductility and strength of Zr-doped Ni3Al alloys. The volume fraction of recrystallized zone and the recrystallized grain size increase with raising of heat-treatment temperature, so the strength decreases. The recrystallized temperature decreases with the increase of Zr content, while the size of grain reduces. The ductility obviously depends on the heat-treatment temperature. The ductility is the maxium for low Zr content (0.2%, atomic fraction) alloys when the heat-treatment temperature is 1000degreesC, it is 850degreesC for the middle Zr content (0.6%) alloys. But for the alloys with high Zr content ( greater than or equal to1.0%), the highest ductility arises at 900degreesC, when the temperature is higher than 900degreesC the ductility evidently falls down.
KeywordNi3Al intermetallics heat-treatment tensile property
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000185127600009
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/116182
Collection中国科学院金属研究所
Corresponding AuthorGuo, JT
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Li, YF,Guo, JT,Zhou, LZ,et al. Microstructure and tensile properties of Zr-doped Ni3Al alloys at different heat-treatment temperatures[J]. ACTA METALLURGICA SINICA,2003,39(8):821-825.
APA Li, YF,Guo, JT,Zhou, LZ,&Ye, HQ.(2003).Microstructure and tensile properties of Zr-doped Ni3Al alloys at different heat-treatment temperatures.ACTA METALLURGICA SINICA,39(8),821-825.
MLA Li, YF,et al."Microstructure and tensile properties of Zr-doped Ni3Al alloys at different heat-treatment temperatures".ACTA METALLURGICA SINICA 39.8(2003):821-825.
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