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author:

周巧琴 (周巧琴.) [1] (Scholars:周巧琴)

Indexed by:

CQVIP PKU CSCD

Abstract:

用铝型材厂阳极氧化废渣和碱式碳酸镁((MgCO3)4·Mg(OH)2·5H2O)为主要原料固相烧结合成镁铝尖晶石(MgAl2O4),探讨氟化铝(AlF3)矿化剂对合成的MgAl2O4晶相结构、晶胞参数及微观形貌的影响.用X射线衍射(XRD),扫描电镜(SEM)及相关分析软件等表征得到MgAl2O4.结果表明,添加AlF3的各样品都形成2种晶相:镁铝尖晶石固溶体(Mg0.68Al0.32)(Al0.84Mg0.16)2O4和镁橄榄石固溶体Mg1.81Fe0.19(SiO4).确定2%(质量分数)为最佳添加量,此时试样中MgAl2O4固溶体含量最高为95%,体积密度最高为3.44g·cm-3,显气孔率最小为1.89%,抗弯强度达到151.9 MPa.

Keyword:

固溶体 晶相结构 氟化铝 镁铝尖晶石

Community:

  • [ 1 ] [周巧琴]福州大学

Reprint 's Address:

  • 周巧琴

Email:

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Source :

福州大学学报(自然科学版)

ISSN: 1000-2243

CN: 35-1337/N

Year: 2009

Issue: 4

Volume: 37

Page: 602-606

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 3

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