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Mo-Ti-Ru三元系相平衡的实验研究
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作者单位:

1.材料学院及福建省材料基因工程重点实验室;2.先进焊接与连接国家重点实验室

基金项目:

国家自然科学基金项目(面上项目,重点项目,重大项目)

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    摘要:

    本研究利用电子探针成分分析和X射线衍射分析等技术建立Mo-Ti-Ru三元系的1100°C和1300°C等温截面相图,实验结果表明:(1)在1100℃等温截面相图中存在三个三相区,而1300℃等温截面相图中存在两个三相区;(2)在1100℃等温截面中,由于Ti的加入,σ-Mo5Ru3相被稳定化并形成一个小单相区;(3)在1100℃和1300℃等温截面相图中,(βTi, Mo)相均从富Mo侧一直延伸至富Ti侧,并且具有较大的固溶度。Mo-Ti-Ru三元系相平衡的测定为Ti基合金热力学数据库的建立提供基础理论信息。

    Abstract:

    In this study, the isothermal sections of the Mo-Ru-Ti ternary system at 1100 and 1300 °C have been established using electron probe microanalysis and X-ray diffraction techniques. The results indicated that: (1) There were three three-phase regions at 1100 °C isothermal section and two three-phase regions at 1300 °C isothermal section; (2) the σ-Mo5Ru3 phase was stabilized to 1100 °C and formed a small single-phase region with the addition of Ti. (3) the (βTi, Mo) phase extended from Mo-rich side to Ti-rich side and dissolved a lot of Ru at 1100 and 1300 °C. The phase relationship of Mo-Ru-Ti system will provide the basic experimental data for the thermodynamic database of titanium alloys.

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王翠萍,吴丹,李玲玲,张锦彬,杨水源,杨木金,韩佳甲,卢勇,刘兴军. Mo-Ti-Ru三元系相平衡的实验研究[J].稀有金属材料与工程,2020,49(11):3669~3675.[wangcuiping, wudan, lilingling, zhangjinbin, yangshuiyuan, yangmujin, hanjiajia, luyong, liuxingjun. Experimental Investigation of Phase Equilibria in the Mo-Ru-Ti Ternary System[J]. Rare Metal Materials and Engineering,2020,49(11):3669~3675.]
DOI:10.12442/j. issn.1002-185X.20190632

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  • 收稿日期:2019-07-30
  • 最后修改日期:2019-09-16
  • 录用日期:2019-10-11
  • 在线发布日期: 2020-12-09