PHASE EQUILIBRIA OF THE Al-Co-Er SYSTEM AT 400°C AND 600°C

被引：2
|
作者：
Zheng, L-H [1 ]
Zhang, L-G [1 ]
Zhao, F-Y [1 ]
Liu, L-B [1 ]
Wang, D. [1 ]
Wu, C-J [1 ]
机构：
[1] Cent South Univ, Sch Mat Sci & Engn, Changsha, Peoples R China
来源：
JOURNAL OF MINING AND METALLURGY SECTION B-METALLURGY | 2021年 / 57卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Phase Equilibria; Al-Co-Er; Aluminum alloys; TERNARY-SYSTEM; THERMODYNAMIC ASSESSMENT; MAGNETIC-PROPERTIES; ISOTHERMAL SECTION; ALUMINUM; STRENGTH; CU; DY; BEHAVIOR; ALLOYS;
D O I：
10.2298/JMMB210317032Z
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The 400 degrees C and 600 degrees C isothermal sections of the Al-Co-Er system were studied assisted with X-ray diffraction (XRD), scanning electron microscopy (SEM), and electron probe microanalysis (EPMA) techniques. 18 three-phase fields were identified in the 400 degrees C isothermal section. The maximum solid solubilities of Al in Co3Er and Co2Er were 13.93 at.%, and 16.13 at.%, respectively whereas the maximum solid solubilities of Co in Al2Er, Al2Er3 and AlEr2 were 6.93 at.%, 6.65 at.%, and 6.49 at.%, respectively. The solid solution range of lambda is from 22.22 at.% Al to 44.44 at.% Al while the 600 degrees C isothermal section included 20 three-phase fields. The maximum solid solubilities of Al in Co17Er2 and Co7Er2 were 10.17 at.% and 10.24 at.%, respectively. The maximum solid solubilities of Co in Al2Er and Al2Er3 were 3.63 at.% and 2.01 at.%, respectively.
引用
收藏
页码：359 / 370
页数：12
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