Xin LI, Shu-Xin NIU, Jian-Sheng YAO, Ding-Zhong TANG, Chun-Xiao CAO, Jun-Hao YAN, [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Effect of Al Powder on Property and Microstructure of Silica-based Ceramic Core[J]. Journal of Inorganic Materials, 2019, 34(2): 207
- Journal of Inorganic Materials
- Vol. 34, Issue 2, 207 (2019)
. SEM images of Al powders
(a) Room temperature; (b) 1100 ℃, 0.5 h
(a) Room temperature; (b) 1100 ℃, 0.5 h
. Effect of Al content on sintering shrinkage of ceramic cores
. Thermal analysis graphs of Al powder
. Effect of Al content on as-casting shrikage of ceramic cores
. Flexural strength and apparent porosity results of the ceramic cores with various Al contents
. Variation of the creep deformation of ceramic core with Al contents
. Pore size distribution curve of as-casting ceramic core with different Al contents
. XRD patterns of Al powder heat-treatement at different temperatures
. XRD patterns of ceramic cores with different Al contents sintered at 1200 ℃
. SEM images of sintered core samples with various Al contents
(a) 0; (b) 1wt%; (c) 3wt%; (d) 5wt%; (e) High magnification image of 3wt% sample; (f) High magnification image of 5wt% sample
(a) 0; (b) 1wt%; (c) 3wt%; (d) 5wt%; (e) High magnification image of 3wt% sample; (f) High magnification image of 5wt% sample
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Table 1. Characteristics of fused silica, alumina, and aluminite powder as raw materials
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