采用合金样与扩散偶相结合的方法，利用电子探针射线显微分析(EPMA)对 Al?Ti?Zr 三元系的1073 K 等温截面的相关系进行实验测定。结果表明：截面中存在一个 Al 含量(摩尔分数)达到16.3%的β(Ti,Zr)固溶体。Ti和 Zr 可以在大多数 Al?Zr 和 Ti?Al 二元中间化合物中相互取代。其中，Zr 在 Ti3Al 和 TiAl 中的最大固溶度分别达到17.9%和4.0%。该等温截面共包含16个单相区，27个两相区和14个三相平衡，没有检测到三元化合物。
Through alloy sampling combined with diffusion triple technique, phase equilibria in Al?Ti?Zr ternary system at 1073 K were experimentally determined with electron probe microanalysis (EPMA). Experimental results show that there is a solid solutionβ(Ti,Zr) which dissolves Al up to 16.3% (mole fraction). Ti and Zr can substitute each other in most Ti?Al and Al?Zr binary intermediate phases to a certain degree while the maximum solubility of Zr in Ti3Al and TiAl reaches up to 17.9% and 4.0% (mole fraction), respectively. The isothermal section consists of 16 single-phased regions, 27 two-phased regions and 14 three-phased regions. No ternary phase was detected.
参考文献
- 下载量()
- 访问量()
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%