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Crystallization and wear behavior of SiO2-Al2O3-ZrO2-Ba(Sr, Ca)O glass-ceramics added with Cr2O3 by different methods
Feng, Min; Chen, Minghui; Yu, Zhongdi; Chen, Zhixiong; Chen, Jinhui; Zhu, Shenglong; Wang, Fuhui
2019-12-01
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume45Issue:17Pages:22617-22624
AbstractCrystallization and wear behavior of the SiO2-Al2O3-ZrO2-Ba(Sr, Ca)O based glass-ceramics with addition of Cr2O3 are investigated. On annealing at 1273 K, SiO2 and acicular BaSi2O5 crystallites are precipitated out from the silicate glass-ceramics which thereafter possess high friction coefficient and wear rate. Adding Cr2O3 retards the precipitation of BaSi2O5 and decreases wear resistance. But this retardation effect varies with the way that Cr2O3 is added. When Cr2O3 is added by ball milling, precipitation of BaSi2O5 is only partly retarded, and wear rate is decreased marginally. However, adding Cr2O3 during the smelting process, the precipitation of BaSi2O5 is almost fully prohibited, and BaCrO4 and/or BaCr2O4 substituting BaSi2O5 precipitate out. The nanoscale barium chromates promote the formation at worn surfaces of a lubricating glaze layer that decreases largely the wear rate and friction coefficient.
KeywordSintering Wear resistance Glass ceramics
Indexed BySCI
Language英语
WOS IDWOS:000493217800025
PublisherELSEVIER SCI LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80593
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Feng, Min,Chen, Minghui,Yu, Zhongdi,et al. Crystallization and wear behavior of SiO2-Al2O3-ZrO2-Ba(Sr, Ca)O glass-ceramics added with Cr2O3 by different methods[J]. CERAMICS INTERNATIONAL,2019,45(17):22617-22624.
APA Feng, Min.,Chen, Minghui.,Yu, Zhongdi.,Chen, Zhixiong.,Chen, Jinhui.,...&Wang, Fuhui.(2019).Crystallization and wear behavior of SiO2-Al2O3-ZrO2-Ba(Sr, Ca)O glass-ceramics added with Cr2O3 by different methods.CERAMICS INTERNATIONAL,45(17),22617-22624.
MLA Feng, Min,et al."Crystallization and wear behavior of SiO2-Al2O3-ZrO2-Ba(Sr, Ca)O glass-ceramics added with Cr2O3 by different methods".CERAMICS INTERNATIONAL 45.17(2019):22617-22624.
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