Fabrication of hierarchically porous Si3N4 foam ceramics with stamen-like cell structure
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作者:
Chen, Meng
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Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
Chen, Meng
[1
]
Wang, Chao
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Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
Wang, Chao
[1
]
Wang, Hongjie
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Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
Wang, Hongjie
[1
]
Fan, Lei
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Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
Fan, Lei
[1
]
Xia, Hongyan
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Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
Xia, Hongyan
[1
]
Shi, Zhongqi
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Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
Shi, Zhongqi
[1
]
机构:
[1] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China
Inspired from the stamen structure in nature, hierarchically porous Si3N4 foam with stamen-like cell structure is fabricated by using egg white protein as pore forming agent in the gel casting process. Macropores with micro-interconnected pore on the wall are present which have average pore size of 0.36 mu m and 10-400 mu m. Graded rod-shaped Si3N4 grains, finer ones with aspect ratios of 10 on the wall and longer ones with aspect ratios of 20 in the interior of the macropores, are synthesized. Such porous Si3N4 exhibits good mechanical property, relatively high strength (11.9 MPa) and high porosity (81.7%), indicating it is a potential high-temperature separation materials. (C) 2014 Elsevier B.V. All rights reserved.
机构:
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
Yue, Jianshe
;
Dong, Binchao
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Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
Dong, Binchao
;
Wang, Hongjie
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机构:
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
机构:
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
Yue, Jianshe
;
Dong, Binchao
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h-index: 0
机构:
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China
Dong, Binchao
;
Wang, Hongjie
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h-index: 0
机构:
Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R ChinaXi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Shaanxi, Peoples R China