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Preparation and arc erosion properties of Ag/Ti2SnC composites under electric arc discharging
Ding, Jianxiang
Tian, Wubian
Zhang, Peigen
Zhang, Min
Chen, Jian
Zhang, Yamei
Sun, Zhengming
text
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Journal of advanced ceramics
continuing
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10.1007/s40145-018-0296-y
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Tsinghua University Press
Beijing
Tsinghua University Press, co-published with Springer
40145
10.1007/40145.2227-8508
2226-4108
2227-8508
35019314
Journal of Advanced Ceramics
J Adv Ceram
Materials Science
Ceramics, Glass, Composites, Natural Materials
Characterization and Evaluation of Materials
Nanotechnology
Structural Materials
Chemistry and Materials Science
8
8
4
1
1
13
2019
3
13
2019
3
The Author(s)
2019
296
10.1007/s40145-018-0296-y
8
Preparation and arc erosion properties of Ag/Ti2SnC composites under electric arc discharging
Research Article
90
101
2018
3
12
2018
6
21
2018
8
17
2018
9
2
2019
3
13
The Author(s)
2019
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
To view a copy of this licence, visit
http://creativecommons.org/licenses/by/4.0/
.
40145
8
8
1
1
Jianxiang
Ding
Wubian
Tian
wbtian@seu.edu.cn
Peigen
Zhang
Min
Zhang
Jian
Chen
Yamei
Zhang
Zhengming
Sun
zmsun@seu.edu.cn
0000 0004 1761 0489
grid.263826.b
Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering
Southeast University
Nanjing
211189
China
0000 0004 1761 0489
grid.263826.b
Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering
Southeast University
Nanjing
211189
China
Abstract
New Ag/Ti2SnC (Ag/TSC) composites with uniform microstructure were prepared by powder metallurgy. The superior wettability between Ag and Ti2SnC was confirmed with a contact angle of 14°. Arc erosion properties of Ag/10wt%Ti2SnC (Ag/10TSC) and Ag/20wt%Ti2SnC (Ag/20TSC) contacts were investigated under 400 V/100 A/AC-3 and compared with Ag/CdO contact. The Ag/10TSC contact exhibited comparable arc erosion property to Ag/CdO contact. The fine arc erosion resistance was attributed to the good wettability between Ti2SnC and Ag, the good heat-conducting property of Ag/10TSC, and the slight decomposition of Ti2SnC that absorbed part of electric arc energy. The excessive Ti2SnC significantly decreased the thermal conducting property of the Ag/20TSC composite, resulting in the severe heat accumulation that decomposed Ti2SnC and deteriorated arc erosion property. The oxidation behavior of Ti2SnC under high electric arc temperature was also studied and then an arc erosion mechanism was proposed to get a comprehensive understanding on the arc erosion property of Ag/TSC composites.
Keywords
MAX phase
metal-ceramic composite
arc erosion properties
microstructures
oxidation
Tsinghua University Press
Beijing
Tsinghua University Press, co-published with Springer
40145
10.1007/40145.2227-8508
2226-4108
2227-8508
35019314
Journal of Advanced Ceramics
J Adv Ceram
Materials Science
Ceramics, Glass, Composites, Natural Materials
Characterization and Evaluation of Materials
Nanotechnology
Structural Materials
Chemistry and Materials Science
8
8
4
1
1
13
2019
3
13
2019
3
The Author(s)
2019
296
10.1007/s40145-018-0296-y
8
Preparation and arc erosion properties of Ag/Ti2SnC composites under electric arc discharging
Research Article
90
101
2018
3
12
2018
6
21
2018
8
17
2018
9
2
2019
3
13
The Author(s)
2019
Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made.
The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
To view a copy of this licence, visit
http://creativecommons.org/licenses/by/4.0/
.
40145
8
8
1
1
Jianxiang
Ding
Wubian
Tian
wbtian@seu.edu.cn
Peigen
Zhang
Min
Zhang
Jian
Chen
Yamei
Zhang
Zhengming
Sun
zmsun@seu.edu.cn
0000 0004 1761 0489
grid.263826.b
Jiangsu Key Laboratory of Advanced Metallic Materials, School of Materials Science and Engineering
Southeast University
Nanjing
211189
China
0000 0004 1761 0489
grid.263826.b
Jiangsu Key Laboratory of Construction Materials, School of Materials Science and Engineering
Southeast University
Nanjing
211189
China
Abstract
New Ag/Ti2SnC (Ag/TSC) composites with uniform microstructure were prepared by powder metallurgy. The superior wettability between Ag and Ti2SnC was confirmed with a contact angle of 14°. Arc erosion properties of Ag/10wt%Ti2SnC (Ag/10TSC) and Ag/20wt%Ti2SnC (Ag/20TSC) contacts were investigated under 400 V/100 A/AC-3 and compared with Ag/CdO contact. The Ag/10TSC contact exhibited comparable arc erosion property to Ag/CdO contact. The fine arc erosion resistance was attributed to the good wettability between Ti2SnC and Ag, the good heat-conducting property of Ag/10TSC, and the slight decomposition of Ti2SnC that absorbed part of electric arc energy. The excessive Ti2SnC significantly decreased the thermal conducting property of the Ag/20TSC composite, resulting in the severe heat accumulation that decomposed Ti2SnC and deteriorated arc erosion property. The oxidation behavior of Ti2SnC under high electric arc temperature was also studied and then an arc erosion mechanism was proposed to get a comprehensive understanding on the arc erosion property of Ag/TSC composites.
Keywords
MAX phase
metal-ceramic composite
arc erosion properties
microstructures
oxidation
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