Mixing of graphene nanoplatelets with magnesium alloy powders by electrostatic adsorption
Wang, Lingyun; Chen, Tijun; Pu, Pengpeng
2020-03
Source PublicationMATERIALS RESEARCH EXPRESS
Volume7Issue:3
AbstractMg matrix composites reinforced by graphene nanoplatelets (GNPs) offers an efficient approach for improving the mechanical properties of Mg alloys. Unfortunately, the poor uniform dispersion of GNPs into Mg matrix vastly restricts their development. In addition, surface oxidation of Mg alloy powders is always serious. To alleviate these issues, pickling and surface modification technologies of ZK61 Mg alloy powders and mixing process with GNPs have been investigated. The results show that ZK61 alloy powders with smooth surface and low degree of oxidation can be obtained after being simultaneously mechanically stirred and ultrasonically treated for 30 min in a 0.2 vol% HF ethanol solution. They were then rinsed and dried, and modified by 0.3% wt% cetyl trimethyl ammonium bromide to carry a positive charge. Subsequently, GNPs ethanol suspension was poured into the modified ZK61 alloy powders solution and mechanically stirred for 10 min, and then a powder mixture that GNPs randomly attached on the Mg powders was obtained after drying.XPS analysis reveals that GNPs were adsorbed on the surfaces of the modified Mg powders by the mechanism of electrostatic adsorption. The achieved method for preparing GNPs/ZK61 alloy mixture powders provides a new strategy for fabricating Mg matrix composites reinforced by uniformly distributed GNPs.
Keywordmixing GNPs magnesium alloy powders
DOI10.1088/2053-1591/ab7e48
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51761028]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000521966000001
PublisherIOP PUBLISHING LTD
Citation statistics
Cited Times [WOS]:0   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.lut.edu.cn/handle/2XXMBERH/76637
Collection材料科学与工程学院
省部共建有色金属先进加工与再利用国家重点实验室
Corresponding AuthorChen, Tijun
AffiliationLanzhou Univ Technol, State Key Lab Adv Proc & Recycling Nonferrous Met, Lanzhou 730050, Peoples R China
First Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Corresponding Author AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
First Signature AffilicationState Key Laboratory Of Gansu Advanced Non-Ferrous Metal Materials
Recommended Citation
GB/T 7714
Wang, Lingyun,Chen, Tijun,Pu, Pengpeng. Mixing of graphene nanoplatelets with magnesium alloy powders by electrostatic adsorption[J]. MATERIALS RESEARCH EXPRESS,2020,7(3).
APA Wang, Lingyun,Chen, Tijun,&Pu, Pengpeng.(2020).Mixing of graphene nanoplatelets with magnesium alloy powders by electrostatic adsorption.MATERIALS RESEARCH EXPRESS,7(3).
MLA Wang, Lingyun,et al."Mixing of graphene nanoplatelets with magnesium alloy powders by electrostatic adsorption".MATERIALS RESEARCH EXPRESS 7.3(2020).
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