覃铭,曾令宏,卿培林,刘淑辉.Dy-Al-Ti三元合金系600 ℃等温截面研究[J].表面技术,2012,(5):81-84.
QIN Ming,ZENG Ling-hong,QING Pei-lin,LIU Shu-hui.Study on the Isothermal Section of the Dy-Al-Ti Ternary System at 600 ℃[J].Surface Technology,2012,(5):81-84
Dy-Al-Ti三元合金系600 ℃等温截面研究
Study on the Isothermal Section of the Dy-Al-Ti Ternary System at 600 ℃
投稿时间:2012-04-27  修订日期:2012-10-20
DOI:
中文关键词:  相图  X射线衍射  Dy-Al-Ti三元系  等温截面
英文关键词:phase diagram  X-ray diffraction  Dy-Al-Ti ternary system  isothermal section
基金项目:广西教育厅科研项目(200911MS226);广州大学-百色学院合作科学研究项目(GBK2010007)
作者单位
覃铭 百色学院物理与电信工程系,百色533000 
曾令宏 柳州师范高等专科学校物理与信息科学系,柳州545004 
卿培林 百色学院物理与电信工程系,百色533000 
刘淑辉 百色学院物理与电信工程系,百色533000 
AuthorInstitution
QIN Ming Department of Physics and Communication Engineering, Baise University, Baise 533000, China 
ZENG Ling-hong Department of Physics and Information Science, Liuzhou Teachers College, Liuzhou 545004, China 
QING Pei-lin Department of Physics and Communication Engineering, Baise University, Baise 533000, China 
LIU Shu-hui Department of Physics and Communication Engineering, Baise University, Baise 533000, China 
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中文摘要:
      采用真空电弧炉熔炼和真空管退火,制得Dy-Al-Ti三元合金试样,通过X射线衍射(XRD)分析,并辅以差热分析(DTA)、扫描电子显微镜(SEM)分析、能谱仪(EDS)分析等测试技术,对实验样品进行表征,研究了Dy-Al-Ti三元合金系600℃等温截面中的物相关系,确定了Dy-Al-Ti三元系600℃等温截面的两相、三相区边界以及固溶度,并构建了Dy-Al-Ti三元系600℃等温截面相图。研究结果表明,Dy-Al-Ti三元系600 ℃等温截面由14个单相区、27个两相区和14个三相区组成,并证实了两个三元化合物相Ti4Al43Dy6 和Ti2Al20Dy在600℃的存在。
英文摘要:
      The Dy-Al-Ti ternary alloys were melted in a vacuum arc furnace and then were annealed in a vacuum tube. By means of X-ray powder diffraction with the aid of differential thermal analysis and metallographic microstructure analysis, the test sample was characterized and the phase relationship in the Dy-Al-Ti ternary system at 600 ℃ was investigated. Then the boundary of two-phase regions and three-phase regions of islthermal section of Dy-Al-Ti ternary system and its solid solution degree were determined at 600 ℃. The isothermal section phase diagram of Dy-Al-Ti ternary system was structured. The results show that this ternary system at 600 ℃ contains 14 single-phase regions, 27 two-phase regions and 14 three-phase regions. Two ternary compounds Ti4Al43Dy and Ti2Al20Dy are confirmed in this system at 600 ℃.
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