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Microstructure and mechanical properties of AZ91D alloy prepared by a semi-solid diecasting process
Du, X. H.; Zhang, E. L.; Wu, B. L.
Corresponding AuthorDu, X. H.(602@imr.ac.cn)
2007-03-01
Source PublicationINTERNATIONAL JOURNAL OF MATERIALS RESEARCH
ISSN1862-5282
Volume98Issue:3Pages:235-238
AbstractSemi-solid processing has been combined with die-casting for the magnesium alloy AZ91D. The microstructure of the semi-solid diecast AZ91D has been examined by optical microscopy and scanning electron microscopy. No pores were visible under optical microscopy, indicating a very low porosity. Mechanical properties of the semi-solid diecast AZ91D alloy have also been tested. High ultimate tensile strength and elongation have been achieved due to the low porosity and the fine microstructure. The fracture surfaces have been investigated by scanning electron microscopy in order to reveal the fracture mechanism. A typical inter-granular fracture surface was observed, indicating that the alloy fails in a brittle manner. The vertical-section microstructure of the fractured sample has indicated that the crack mainly propagates along the grain boundaries through the brittle fracture of the eutectic phase or the interface decohesion of the primary Mg phase and the eutectic phases.
Keywordmicrostructure mechanical property AZ91 magnesium alloy semi-solid diecast process
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000245587700013
PublisherCARL HANSER VERLAG
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/90516
Collection中国科学院金属研究所
Corresponding AuthorDu, X. H.
Affiliation1.Shenyang Inst Aeronaut Engn, Dept Mat Engn, Shenyang 110034, Peoples R China
2.Chinese Acad Sci, Met Res Inst, Shenyang, Peoples R China
Recommended Citation
GB/T 7714
Du, X. H.,Zhang, E. L.,Wu, B. L.. Microstructure and mechanical properties of AZ91D alloy prepared by a semi-solid diecasting process[J]. INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,2007,98(3):235-238.
APA Du, X. H.,Zhang, E. L.,&Wu, B. L..(2007).Microstructure and mechanical properties of AZ91D alloy prepared by a semi-solid diecasting process.INTERNATIONAL JOURNAL OF MATERIALS RESEARCH,98(3),235-238.
MLA Du, X. H.,et al."Microstructure and mechanical properties of AZ91D alloy prepared by a semi-solid diecasting process".INTERNATIONAL JOURNAL OF MATERIALS RESEARCH 98.3(2007):235-238.
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