基于Si-CaO/Al<sub>2</sub>O<sub>3</sub>-Si三明治结构的碳/碳复合材料高强度扩散连接

doi:10.11896/cldb.21040028

Abstract
Figure/Table
References
Related Citation (15)

Download:

Full Text ( PDF ) (8896KB)
Export: BibTeX | EndNote (RIS)

Abstract Asandwich structure layer is formed by sequentially laying Si, CaO/Al₂O₃ glass-ceramics (referred to as CA) and Si slurry coatings on the surface of the carbon/carbon (referred to as C/C) composites. Joining of the C/C composites to itself is realized by hot press diffusion bonding. The wettability between C/C composites and glass-ceramics is poor, whereas Si and C have a good affinity. It is thus expected that SiC is generated through in-situ reaction between Si and C matrix under high temperature, while Si and CA undergo mutual diffusion and chemical reaction to form silicate glass. By this means, glass-ceramics can be used to join C/C composites. The microstructure and mechanical properties of the joints were studied. Results show that the cracks and holes on the joint connecting layer are reduced and the connecting layer becomes denser with the extension of the heat preservation time. Under the conditions of 1 480 ℃, 0.5—1 MPa and holding time of 90 min, the shear strength of the resulting joint at room temperature reaches 30.45 MPa. The molten interlayer product has good wettability with the C/C composites, and penetrates the voids of the C/C composites matrix to form a ‘pinning structure’, thereby improving the shear strength of the joints.

Key words： carbon/carbon composites CaO/Al₂O₃ glass-ceramics diffusion bonding organizational structure shear strength

Published: 10 July 2022 Online: 2022-07-12

CLC number:

TB332

	Service
	E-mail this article
	Add to my bookshelf
	Add to citation manager
	E-mail Alert
	RSS
	Articles by authors
	WANG Xiaoyu
	JIA Jiangang
	LIU Diqiang
	JU Jiakang
	CHAI Changsheng
	JI Genshun

Cite this article:

WANG Xiaoyu,JIA Jiangang,LIU Diqiang, et al. High-strength Diffusion Bonding of Carbon/Carbon Composites Based on Si-CaO/Al₂O₃-Si Sandwich Structure[J]. Materials Reports, 2022, 36(13): 21040028-6.

URL:

http://www.mater-rep.com/EN/10.11896/cldb.21040028 OR http://www.mater-rep.com/EN/Y2022/V36/I13/21040028

1 Hou Z H, He M Y, Luo R Y, et al. New Carbon Materials, 2015, 30(4), 364(in Chinese).
侯振华, 郝名扬, 罗瑞盈,等. 新型炭材料, 2015, 30(4), 364.
2 Li H J. New Carbon Materials, 2001(2), 79(in Chinese).
李贺军.新型炭材料, 2001(2), 79.
3 Pan X Y. Research on processing and mechanism of brazing C/C compo-site and TC4 titanium alloy.Master's Thesis, Harbin Institute of Technology, China, 2017 (in Chinese).
潘辛禹. C/C复合材料与TC4的钎焊工艺及机理研究.硕士学位论文, 哈尔滨工业大学, 2017.
4 Jin L G. Synthetic Fiber, 2009, 38(10), 1(in Chinese).
金立国.合成纤维, 2009, 38(10), 1.
5 Lan F T, Li K Z, Li H J, et al. Materials Reports A:Review Papers, 2009, 23(4), 9(in Chinese).
兰逢涛, 李克智, 李贺军,等. 材料导报:综述篇, 2009, 23(4), 9.
6 Su J M, Yang J, Xiao Z C, et al. New Carbon Materials, 2006(1), 81(in Chinese).
苏君明, 杨军, 肖志超,等. 新型炭材料, 2006(1), 81.
7 Zhang X Y. Interfacial stress analysis and structure design for C/C composite and Cu joints.Master's Thesis, Central South University, China, 2012 (in Chinese).
张小英. C/C复合材料与Cu连接界面应力分析及结构设计.硕士学位论文, 中南大学, 2012.
8 Qiu D, Bi J X, Mao J Y. Welding, 2017(4), 39(in Chinese).
邱东, 毕建勋, 毛建英.焊接, 2017(4), 39.
9 Li Y J. Electric Welding Machine, 2020, 50(9), 103(in Chinese).
李亚江.电焊机, 2020, 50(9), 103.
10 Long W M, Li S N, Sheng Y X, et al. Rare Metal Materials and Enginee-ring, 2020, 49(8), 2683(in Chinese).
龙伟民, 李胜男, 沈元勋,等. 稀有金属材料与工程, 2020, 49(8), 2683.
11 Yi Z H, Yang K Z, Xiang J, et al. Materials Research and Application, 2008(3), 215(in Chinese).
易振华, 杨凯珍, 向杰, 等.材料研究与应用, 2008(3), 215.
12 Zhao F, Fu Q, Wang L, et al. Materials Science & Engineering A, 2016, 663, 56.
13 Li J L, Xiong J T, Zhang F S. Materials Science & Engineering A, 2006, 483, 698.
14 Qin Y Q, Feng J. Materials Science & Engineering A, 2007, 454, 322.
15 Zhou X B, Yang H, Chen F, et al. Carbon, 2016, 102, 106.
16 Ferraris M, Salvo M, Casalegno V, et al. Journal of Nuclear Materials, 2011, 417(1-3), 379.
17 Casalegno V, Kondo S, Hinoki T, et al. Journal of Nuclear Materials, 2018, 501, 172.
18 Pan W P, Kang H. Ceramics, 2018(10), 45(in Chinese).
潘文平, 康浩.陶瓷, 2018(10), 45.
19 Jia J G, Zhang B, Liu D Q, et al. Journal of Alloys and Compounds, 2020, 818, 152847.
20 Li J, Luo R, Bi Y, et al. Carbon, 2008, 46(14), 1957.
21 Zhu W W, Chen J C. Journal of Inorganic Materials, 2015, 30(12), 1310(in Chinese).
朱巍巍, 陈继春.无机材料学报, 2015, 30(12), 1310.
22 Geetha K, Umarji A M, Kutty T R N. Bulletin of Materials Science, 2000, 23(4), 243.
23 Lan F, Li K, Li H, et al. Journal of Alloys and Compounds, 2009, 480(2), 747.