借助DSC、SEM分析,分别对Ti-ZrO2体系、Ti-A1-ZrO2体系、Ti-B-A1-ZrO2体系中Ti和ZrO2的界面反应进程及初始反应温度进行了研究。结果发现:随着Al、B及微量添加剂的加入,Ti和ZrO2的初始反应温度逐步升高;Ti-A1-ZrO2和Ti-B-Al-ZrO2体系与Ti-ZrO2体系相比较,Ti和ZrO2初始反应温度分别提高近50℃和70℃,从而弱化了Ti和Zr%型壳材料之间的界面反应。
By means of DSC and SEM, the interface reaction process and the initial reaction temperature between Ti and ZrO2 in the Ti-ZrO2, the Ti-Al-ZrO2 and the Ti-B-Al-ZrO2 system have been studies, respectively. The result is that the initial reaction temperatures between Ti and ZrO2 increase gradually with the addition of the Al, B and the microcontent additive. Compared to the Ti-ZrO2 system, the initial reaction temperatures in the Ti-Al-ZrO2 system and the Ti-B-Al-ZrO2 system increase by 50℃ and 70℃, and the interface reaction between Ti and ZrO2 mold material is weakened.
参考文献
[1] | WILLARD H;SUTTON.Influence of metal ceramic reaction on casting quality[C].The 25th Annual Meeting of Investment Casting Institute Chicago,1977:10-20. |
[2] | GARFINKLE M;DAVIS H M .Reaction of liquid titanium with refractory compounds[J].Transactions ASM,1965,158:521-537. |
[3] | SAHA R L;NANDY T K et al.Evaluation of the reactivity of titanium with mould materials during casting[J].Bulletin of Materials Science,1989,12:181-489. |
[4] | FEAGIN R C.Casting of reactive metals into ceramic molds[A].Dellas, USA,1984:1-13. |
[5] | 吕维洁;张小农;张狄 .颗粒增强钛基复合材料研究进展[J].材料导报,1999,13(06):15-18. |
[6] | 李邦盛,蒋海燕,李志强,范洪波,安阁英.钛合金熔模精铸氧化锆陶瓷型壳/金属界面反应研究[J].航空材料学报,1999(02):43-47. |
[7] | 蒋海燕;李邦盛;郭景杰 .液钛和陶瓷界面反应的研究[J].铸造,1998,4:22-24. |
- 下载量()
- 访问量()
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%