对Al4SiC4陶瓷的高温抗氧化性能及高温力学性能进行了研究.结果表明,Al4SiC4陶瓷具有优良的高温抗氧化性能,其高温氧化动力学符合抛物线氧化规律.氧化层由三层构成:致密的外氧化层,具有较大孔洞的内氧化层和具有较多细小孔洞的反应层.该陶瓷显示了独特的高温弯曲强度特性,即在1000～1300℃的测试温度范围内,Al4SiC4陶瓷的高温弯曲强度随温度的升高而升高.1300℃时其值为449.73MPa,与室温弯曲强度(297.10 MPa)相比,其增幅为50%左右.
参考文献
| [1] | INOUEZENZAURO;INOMATA YOSHIZO;TANAKA HID EHIKO .X-raycrystallgraphicdataonaluminumsilicorcarbide-Ai4SiC4andAl4Si2C5[J].Journal of Materials Science,1980,15:575-578. |
| [2] | Koji Inoue;Akira Yamaguchi .Synthesis of Al_4SiC_4[J].Journal of the American Ceramic Society,2003(6):1028-1030. |
| [3] | JOACHIMGRONER;HANS LEO LUKAS;FRITZ ALDINGER .ThermalgynamiccalculationoftheternarysystemAlSi-C[J].Calphad-computer coupling of phase diagrams and thermochemistry,1996,20:247-254. |
| [4] | ZHANGShao-wei;AKIRA YAMAGUCHI .Effectofadditiortocarbon-containingrefractories[J].Journal of the Ceramic Society of Japan,1995,103:238-242. |
| [5] | Osamu Yamamoto;Motoko Ohtani;Tadashi Sasamoto .Preparation and oxidation of Al_4SiC_4[J].Journal of Materials Research,2002(4):774-778. |
| [6] | Li SB.;Cheng LF.;Zhang LT. .Oxidation behavior of Ti3SiC2 at high temperature in air[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2003(1/2):112-120. |
| [7] | WANGXaio-hui;ZHOUYan-chun .Intermediate-temperatureoxidationbehaviorofTi2AlCinair[J].Journal of Materials Research,2002,17:2974-2981. |
| [8] | Z.SUN;Y.ZHOU;M.LI .HIGH TEMPERATURE OXIDATION BEHAVIOR OF Ti_3SiC_2-BASED MATERIAL IN AIR[J].Acta materialia,2001(20):4347-4353. |
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