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Enhanced Mechanical Properties of Al-36Si Composite via Friction Stir Processing and Subsequent Heat Treatment
Wang, Chen1,2; Wang, Beibei2; Wang, Quanzhao2; Chen, Liqing1; Xue, Peng2; Xiao, Bolv2; Ma, Zongyi2
Corresponding AuthorXue, Peng(pxue@imr.ac.cn)
2018
Source PublicationMATERIALS TRANSACTIONS
ISSN1345-9678
Volume59Issue:9Pages:1513-1519
AbstractFriction stir processing (FSP) was applied to modify the microstructures of Al-36Si composite. FSP resulted in a significant breakup of coarse primary Si particles in the processed zone (PZ), and the size and aspect ratio of the Si particles decreased with increasing the number of FSP passes. The refinement and homogenization of Si particles during FSP can lead to an improvement in both strength and ductility, though FSP caused softening behavior in the PZ due to thermal cycle during the processing. Post-FSP aging treatment partially recovered the microhardness in the PZ of FSP samples, resulting in the enhanced strength and ductility. Furthermore, post-FSP T6 treatment resulted in a considerable enhancement in the microhardness in the PZ which could reach up to a similar level of the base material (BM). Therefore, the tensile strength was significantly improved to 381 MPa, which was much higher than that of the BM (187 MPa). This study provides an effective method of improving the mechanical properties of the Al-36Si composite.
KeywordAl-Si composite friction stir processing heat treatment microstructure mechanical property
Funding OrganizationNational Key R&D Program of China ; National Natural Science Foundation of China
DOI10.2320/matertrans.M2018090
Indexed BySCI
Language英语
Funding ProjectNational Key R&D Program of China[2017YFB0703104] ; National Natural Science Foundation of China[51331008]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000458695100019
PublisherJAPAN INST METALS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/132007
Collection中国科学院金属研究所
Corresponding AuthorXue, Peng
Affiliation1.Northeastern Univ, State Key Lab Rolling & Automat, 3-11 Wenhua Rd, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Wang, Chen,Wang, Beibei,Wang, Quanzhao,et al. Enhanced Mechanical Properties of Al-36Si Composite via Friction Stir Processing and Subsequent Heat Treatment[J]. MATERIALS TRANSACTIONS,2018,59(9):1513-1519.
APA Wang, Chen.,Wang, Beibei.,Wang, Quanzhao.,Chen, Liqing.,Xue, Peng.,...&Ma, Zongyi.(2018).Enhanced Mechanical Properties of Al-36Si Composite via Friction Stir Processing and Subsequent Heat Treatment.MATERIALS TRANSACTIONS,59(9),1513-1519.
MLA Wang, Chen,et al."Enhanced Mechanical Properties of Al-36Si Composite via Friction Stir Processing and Subsequent Heat Treatment".MATERIALS TRANSACTIONS 59.9(2018):1513-1519.
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