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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ fml2856: 金币+20, ★★★★★最佳答案 2024-02-20 21:40:09 sunshan4379: LS-EPI+1, 感谢应助 2024-03-23 19:38:58
Cold compression behavior of alumina particles with different grain sizes under high pressure
By
Liu, FM (Liu, Fangming) [1] ; Zhang, JW (Zhang, Jiawei) [2] ; Liu, PP (Liu, Pingping) [1] ; He, DW (He, Duanwei) [3]
Source
Volume49Issue19Page32324-32330
DOI10.1016/j.ceramint.2023.07.141
Published
OCT 1 2023
Indexed
2024-02-04
Document Type
Article
Jump to
Abstract
The cold compression behavior of alumina samples, with average grain sizes of 350 nm, 7.9 mu m, and 18.2 mu m, has been investigated under non-hydrostatic conditions by using a diamond anvil cell. After treatment with various pressures, the in situ axial X-ray diffraction patterns, transparency variations, and microstructures after decompression of the samples were also analyzed. The results showed that the submicron grains became easily translucent. The larger the grain size, the higher the pressure needed to compress the sample to transparency. On the other hand, for a similar grain size, the various geometrical shapes of the grains did not affect the pressure dependency on transparency. The elastoplastic characteristics of the alumina grains of different sizes under cold compression were found to be consistent with the transparency variation. As a conclusion, alumina particles under cold compression were found to be applicable in the pressure-assisted preparation of alumina transparent ceramics.
Keywords
Author KeywordsAluminaCold compressionX-ray diffractionPlastic deformationTransparent ceramics
Keywords PlusTRANSPARENT ALUMINAPOLYCRYSTALLINE ALUMINAYIELD STRENGTHCERAMICSTRANSMITTANCEAL2O3SPSNANOPARTICLESEVOLUTIONSTANDARD
Author Information
Corresponding Address
Liu, Fangming
(corresponding author)
Yangtze Normal Univ, Coll Mat Sci & Engn, Chongqing Key Lab Extraordinary Bond Engn & Adv Ma, Chongqing 408100, Peoples R China
Corresponding Address
He, Duanwei
(corresponding author)
Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Peoples R China
Addresses
1 Yangtze Normal Univ, Coll Mat Sci & Engn, Chongqing Key Lab Extraordinary Bond Engn & Adv Ma, Chongqing 408100, Peoples R China
2 Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing, Peoples R China
3 Sichuan Univ, Inst Atom & Mol Phys, Chengdu 610065, Peoples R China
E-mail Addresses fangmingliu@yznu.edu.cnduanweihe@scu.edu.cn
Categories/ Classification
Research AreasMaterials Science
Web of Science Categories
Materials Science, Ceramics
Funding
Funding agency
Grant number
Science Foundation of Chongqing, China cstc2020jcyj-msxmX0518
Language
English
Accession Number
WOS:001148800500001
ISSN
0272-8842
eISSN
1873-3956
IDS Number
FW1O4 |
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