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Constitutive flow behavior and hot workability of powder metallurgy processed 20 vol.%SiCP/2024Al composite
Shao, J. C.; Xiao, B. L.; Wang, Q. Z.; Ma, Z. Y.; Liu, Y.; Yang, K.
Corresponding AuthorMa, Z. Y.(zyma@imr.ac.cn)
2010-11-15
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume527Issue:29-30Pages:7865-7872
AbstractConstitutive flow behavior and hot workability of the powder metallurgy processed 20 vol.%SiCP/2024Al composite were investigated using hot compression tests. The modified Arrhenius-type constitutive equations were presented with the values of material constants in consideration as a function of strain. Dynamic material model (DMM) and modified DMM were used to construct the power dissipation efficiency maps, and Ziegler's instability criterion and Gegel's stability criterion were used to build instability maps. The presence of finer SiCP and more boundaries resulting from smaller 2024Al powders shifted the dynamic recrystallization domain of the 2024Al matrix to higher strain rate and lower temperature ranges and decreased the peak value of power dissipation efficiency. Large instable regions were found in the form of flow localization and cavitations located at the matrix/SiCP interfaces and within the SiCP clusters. By comparison, the Gegel's stability criterion was more sensitive to the instability zones than the Ziegler's instability criterion for this material. (c) 2010 Elsevier B.V. All rights reserved.
KeywordMetal matrix composites Constitutive equations Processing maps Aluminum alloys Powder metallurgy
DOI10.1016/j.msea.2010.08.080
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:000283892600054
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:59[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/102493
Collection中国科学院金属研究所
Corresponding AuthorMa, Z. Y.
AffiliationChinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Shao, J. C.,Xiao, B. L.,Wang, Q. Z.,et al. Constitutive flow behavior and hot workability of powder metallurgy processed 20 vol.%SiCP/2024Al composite[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2010,527(29-30):7865-7872.
APA Shao, J. C.,Xiao, B. L.,Wang, Q. Z.,Ma, Z. Y.,Liu, Y.,&Yang, K..(2010).Constitutive flow behavior and hot workability of powder metallurgy processed 20 vol.%SiCP/2024Al composite.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,527(29-30),7865-7872.
MLA Shao, J. C.,et al."Constitutive flow behavior and hot workability of powder metallurgy processed 20 vol.%SiCP/2024Al composite".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 527.29-30(2010):7865-7872.
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