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Modification of Eutectic Si in Al-Si-(Ba) Alloy by Inducing a Novel 9R Structure in Twins
Sha XC; Chen XF(陈雪飞); Ning HY; Xiao LR; Yin DD; Mao L; Zheng J; Zhou H
Source PublicationMATERIALS
AbstractThe change of twinning morphology plays an important role in the modification of Al-Si alloys, which are widely used in industrial applications. However, the interpretation of this change is still insufficient. In this work, the microstructure of twins was investigated in two kinds of Al-Si alloys with different additions of Ba using high-resolution transmission electron microscopy (HRTEM). Unlike the normal {111} twin that exists in Ba-free alloy, discontinuous twins and multiple twins were observed in the Ba-containing alloy. In addition, the 9R structure formed by the dissociation of twins was firstly observed at the turning of discontinuous twins and the intersection of multiple twins in Al-Si alloys.
KeywordAg-Si alloy modification twinning morphology 9R structure HRTEM
Indexed BySCI ; EI
WOS IDWOS:000442117300102
WOS Research AreaMaterials Science, Multidisciplinary
WOS SubjectMaterials Science
Funding OrganizationNational Key R&D Program of China [2017YFB0305501] ; National Natural Science Foundation of China [51601003, 51401172, 51074106, 51374145, 51501023] ; Natural Science Foundation of Heilongjiang Province of China [QC2017061] ; Harbin Science and Technology Burean [2017RAQXJ066]
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Affiliation1.Beijing Univ Technol, Beijing Key Lab Microstruct & Property Adv Mat, Beijing 100124, Peoples R China
2.Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nano & Heterogeneous Mat Ctr, Nanjing 210094, Jiangsu, Peoples R China
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, 15 Beisihuan West Rd, Beijing 100190, Peoples R China
4.Heilongjiang Inst Technol, Sch Mech & Elect Engn, Harbin 150050, Heilongjiang, Peoples R China
5.Harbin Univ Sci & Technol, Sch Mat Sci & Engn, Harbin 150040, Heilongjiang, Peoples R China
6.Southwest Jiaotong Univ, Sch Mat Sci & Engn, Minist Educ, Key Lab Adv Technol Mat, Chengdu 610031, Sichuan, Peoples R China
7.Univ Shanghai Sci & Technol, Sch Med Instrument & Food Engn, Shanghai Inst Minimally Invas Therapy, Shanghai 200093, Peoples R China
8.Chongqing Univ, Coll Mat Sci & Engn, Minist Educ, Int Joint Lab Light Alloys, Chongqing 400044, Peoples R China
Recommended Citation
GB/T 7714
Sha XC,Chen XF,Ning HY,et al. Modification of Eutectic Si in Al-Si-(Ba) Alloy by Inducing a Novel 9R Structure in Twins[J]. MATERIALS,2018,11(7):1151.
APA Sha XC.,陈雪飞.,Ning HY.,Xiao LR.,Yin DD.,...&Zhou H.(2018).Modification of Eutectic Si in Al-Si-(Ba) Alloy by Inducing a Novel 9R Structure in Twins.MATERIALS,11(7),1151.
MLA Sha XC,et al."Modification of Eutectic Si in Al-Si-(Ba) Alloy by Inducing a Novel 9R Structure in Twins".MATERIALS 11.7(2018):1151.
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