| 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],(5):81-84 |
| Study on the Isothermal Section of the Dy-Al-Ti Ternary System at 600 ℃ |
| Received:April 27, 2012 Revised:October 20, 2012 |
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| DOI： |
| KeyWord:phase diagram X-ray diffraction Dy-Al-Ti ternary system isothermal section |
| Author | Institution |
| QIN Ming |
Department of Physics and Communication Engineering, Baise University, Baise , China |
| ZENG Ling-hong |
Department of Physics and Information Science, Liuzhou Teachers College, Liuzhou , China |
| QING Pei-lin |
Department of Physics and Communication Engineering, Baise University, Baise , China |
| LIU Shu-hui |
Department of Physics and Communication Engineering, Baise University, Baise , China |
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| Abstract: |
| 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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