Effects of Pouring Temperature on Microstructure and Mechanical Properties of the A356 Aluminum Alloy Diecastings
Li, Ming1,2; Li, Yuandong3; Zhou, Hongwei3
2020
Source PublicationMATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS
ISSN1516-1439
Volume23Issue:1
AbstractDiecastings of the A356 aluminum alloy were produced by rheo-diecasting (RDC) and High pressure die casting (HPDC), the microstructures of primary solidification, secondary solidification and eutectic Si of diecastings with different pouring temperature were explored and the mechanical properties of different parameters were tested. The result shows that the primary alpha-Al grains in RDC with self-inoculation method (SIM) are smaller and rounder than the dendrite structure in HPDC. During the RDC process, the amount of primary alpha-Al grains, average grain size and the lamellar spacing of the eutectic Si increase with the decrease of the melt treatment temperature. While the average grain size and the shape factor are gradually increasing with the increase of melt treatment temperature. As a result, RDC can significantly improve the mechanical properties of the A356 aluminum alloy compared with HPDC, the mechanical properties are optimal at 600 degrees C with the tensile strength and elongation are 268.67MPa and 6.8%, respectively.
KeywordSemisolid Self-Inoculation Method Primary alpha-Al Grain Secondary alpha-Al Grain Eutectic Si Mechanical Property
DOI10.1590/1980-5373-MR-2019-0676
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51464031] ; Youth Foundation of Hexi University[QN2018011]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000524064300001
PublisherUNIV FED SAO CARLOS, DEPT ENGENHARIA MATERIALS
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/60009
Collection发展规划处
省部共建有色金属先进加工与再利用国家重点实验室
Corresponding AuthorLi, Ming
Affiliation1.Hexi Univ, Zhangye 734000, Peoples R China
2.Hexi Univ, Inst Adv Mat Forming Technol, Zhangye 734000, Peoples R China
3.Lanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
Recommended Citation
GB/T 7714
Li, Ming,Li, Yuandong,Zhou, Hongwei. Effects of Pouring Temperature on Microstructure and Mechanical Properties of the A356 Aluminum Alloy Diecastings[J]. MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS,2020,23(1).
APA Li, Ming,Li, Yuandong,&Zhou, Hongwei.(2020).Effects of Pouring Temperature on Microstructure and Mechanical Properties of the A356 Aluminum Alloy Diecastings.MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS,23(1).
MLA Li, Ming,et al."Effects of Pouring Temperature on Microstructure and Mechanical Properties of the A356 Aluminum Alloy Diecastings".MATERIALS RESEARCH-IBERO-AMERICAN JOURNAL OF MATERIALS 23.1(2020).
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