Joining of C/C composites by using B4C reinforced phosphate adhesive

被引:53
|
作者
Wang, Mingchao [1 ]
Liu, Jiachen [1 ]
Du, Haiyan [1 ]
Hou, Feng [1 ]
Guo, Anran [1 ]
Liu, Shan [1 ]
Dong, Xue [1 ]
机构
[1] Tianjin Univ, Sch Mat Sci & Engn, Key Lab Adv Ceram & Machining Technol, Minist Educ, Tianjin 300072, Peoples R China
基金
中国国家自然科学基金;
关键词
C; Fracture; Bonding; C/C composites; Heat-treatment; Mechanical characterization; CARBON-CARBON COMPOSITES; BONDING CARBON/CARBON COMPOSITES; ALUMINUM PHOSPHATE; FIBER COMPOSITES; OXIDATION; MICROSTRUCTURE; TEMPERATURE; BEHAVIOR; GLASS; PERFORMANCE;
D O I
10.1016/j.ceramint.2014.03.123
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A B4C reinforced phosphate adhesive for bonding C/C composites was developed. The mechanical properties were tested at room temperature after bonded specimens were treated at different temperatures from room temperature to 1500 C. The results showed that the addition of B4C could greatly improve adhesive's mechanical properties due to the formation of borosilicate glass and the volume compensation came from B4C's oxidation. The shear strength of bonded specimens decreased gradually from 7.9 MPa at RT to 3.3 MPa at 900 degrees C; then it increased up to 4.1 MPa at 1300 degrees C; however, when the temperature was over 1300 degrees C, the value decreased again but still remained above 2 MPa. (C) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码:11581 / 11591
页数:11
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