Cost-effective utilization of mineral-based raw materials for preparation of porous mullite ceramic membranes via in-situ reaction method

2016 ◽  
Vol 120 ◽  
pp. 135-141 ◽  
Author(s):  
Zhiwen Zhu ◽  
Zhaoling Wei ◽  
Wenping Sun ◽  
Jie Hou ◽  
Baohui He ◽  
...  
2006 ◽  
Vol 24 (1) ◽  
pp. 9-13
Author(s):  
Zhang Wan ◽  
Liu Li ◽  
Wen Shipeng ◽  
Hu Shui ◽  
Jin Riguang ◽  
...  

2007 ◽  
Vol 2007.3 (0) ◽  
pp. 115-116
Author(s):  
Masayoshi SAKURAI ◽  
Takatoshi ITO ◽  
Kotaro SEKINE ◽  
Kazuo HAYASHI

2007 ◽  
Vol 336-338 ◽  
pp. 1361-1363 ◽  
Author(s):  
Gang Bin Yang ◽  
Yin Juan Liu ◽  
Guan Jun Qiao ◽  
Zhi Hao Jin

The SiC/Si multilayer composites were fabricated successfully by reaction sintering method with normal stacked papers as the raw materials. Paper was cut into rectangular sheets and stacked, then infiltrated with phenolic resin to get a laminar structure. This paper /resin laminar composite was transformed into porous carbon with laminar structure after heating at 800 oC for 2h in N2 atmosphere. Finally this porous laminar carbon was reheated with silicon powder at 1450-1650oC for 1-2h in a vacuum furnace and SiC/Si multilayer composites can be obtained through the in-situ reaction between carbon and liquid silicon. The microstructure, reaction mechanism, phase composition and mechanical properties of these multilayer composites were researched. The final material shows a distingished laminar structure with alternating arrangement of SiC thick layers and silicon thin layers. SiC layer was composed by beta-SiC and a little of free silicon and carbon not reacted. The capillarity infiltration and in-situ reaction of liquid silicon act key roles in this process. Higher strength and non-catastrophic failure mode for this material were observed.


2009 ◽  
Vol 620-622 ◽  
pp. 513-516 ◽  
Author(s):  
Hai Yun Jin ◽  
Rui Zhou ◽  
Guan Jun Qiao ◽  
Nai Kui Gao ◽  
Zong Ren Peng ◽  
...  

SiC/h-BN nano-composites powder was synthesized using an in-situ reaction method and SiC/h-BN nano-composites were fabricated by hot-pressing. Damage resistance and R-curve behavior of machinable SiC/h-BN nano-composites was evaluated using the indentation- strength-in-bending technique and compared with that of SiC/h-BN micro-composites and monolithic SiC. The results showed that SiC/h-BN nano-composites have better damage resistance and R-curve behavior than SiC/h-BN micro-composites and monolithic SiC.


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