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The effect of molten salt on oxygen removal from titanium and its alloys using calcium
Xia, Yang1; Fang, Zhigang Zak1; Sun, Pei1; Zhang, Ying1,2; Zhang, Tuoyang1; Free, Michael1
2017-04-01
Source PublicationJOURNAL OF MATERIALS SCIENCE
ISSN0022-2461
Volume52Issue:7Pages:4120-4128
Abstract

The sensitivity of titanium to increasing oxygen content and the high cost of reducing oxygen content in titanium have prevented its broader applications. Here we report a low-temperature de-oxygenation process, which can remove oxygen from titanium powders to less than 1000 ppm from original oxygen levels of over 20,000 ppm. The effect of molten salt on de-oxygenation was investigated in this study. The calcium halide-bearing molten salt facilitates the dissolution of solid calcium and creates a metal-molten solution condition by forming intermediate Ca+ ions and finally Ca2+ ions and electrons (e (-)). The molten salt enables the de-oxygenation of Ti at temperatures lower than the melting point of calcium. It will be shown that the de-oxygenation temperature can be as low as 873 K (600 A degrees C).

SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1007/s10853-016-0674-1
Indexed BySCI
Language英语
WOS KeywordCalciothermic Reduction ; Cacl2 ; Halides ; Metals ; Powder ; Tio2
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
Funding OrganizationMETALS program from Advanced research Projects Agency (ARPA), the U.S. Department of Energy (DOE)(DE-AR0000420)
WOS IDWOS:000392500200048
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/21890
Collection研究所(批量导入)
Affiliation1.Univ Utah, Dept Met Engn, Salt Lake City, UT 84112 USA
2.Chinese Acad Sci, IPE, Beijing, Peoples R China
Recommended Citation
GB/T 7714
Xia, Yang,Fang, Zhigang Zak,Sun, Pei,et al. The effect of molten salt on oxygen removal from titanium and its alloys using calcium[J]. JOURNAL OF MATERIALS SCIENCE,2017,52(7):4120-4128.
APA Xia, Yang,Fang, Zhigang Zak,Sun, Pei,Zhang, Ying,Zhang, Tuoyang,&Free, Michael.(2017).The effect of molten salt on oxygen removal from titanium and its alloys using calcium.JOURNAL OF MATERIALS SCIENCE,52(7),4120-4128.
MLA Xia, Yang,et al."The effect of molten salt on oxygen removal from titanium and its alloys using calcium".JOURNAL OF MATERIALS SCIENCE 52.7(2017):4120-4128.
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