材料期刊网

NdCl_3-MgCl_2-LiCl系液相限的研究

郑朝贵 , 靳军 , 叶于浦

金属学报

本文借助于DTA研究了NdCl_3-MgCl_2-LiCl三元体系的液相限。发现:本体系内有对应于NdCl_3和α-固溶体(MgCl_2,LiCl)的两个液相面和一条带有最低点的二次结晶线,其最低点M的组成与温度为:68.5wt-％NdCl_3,2.7wt-％MgCl_2,28.8wt-％LiCl;441℃。

关键词: NdCl_3 , NdCl_3-MgCl_2-LiCl , ternary system , liquidus

Ag-Cu-Ge三元系液相限

刘淑祺 , 易涛

金属学报

用DTA法研究了Ag-Cu-Ge三元系液相限,测定了13个多温截面。

关键词: Ag-Cu-Ge系 , liquidus

镍基铸造高温合金中合金元素的偏析规律

邱一鸣 , 朱耀霄

金属学报

研究了用Ni-x二元相图来判断镍基铸造高温合金中合金元素x处于正偏析、负偏析或者基本不偏析状态以及偏析严重程度的可能性,并用实验验证了正确性。

关键词: 铸造镍基高温合金 , segregation , liquidus

Effect of Oxygen Partial Pressure on Phase Equilibria and Liquidus in CaO-Al2O3-FeOx System

钢铁研究学报(英文版)

关键词: 电解氧化 , 氧气分压 , 相平衡 , 分压力 , 液相 , 系统 , Al2O3 , X射线衍射

LIQUIDUS OF Ag-Cu-Bi SYSTEM

LIU Shuqi SUN Wenqing Deptrtment of Chemistry , Peking University , Beijing , China[Originally published in ACTA METALL SIN (CHINESE EDN) 24 (5) 1988 pp B376—B378 , received 8 September 1987]

金属学报(英文版)

The diagram of Ag-Cu-Bi system was constructed from the investigation of 12 internal sec- tions by DTA heating as well as cooling curves in an atmosphere of dry N_2.The composi- tion of ternary eutectic point melting at 258℃ lies in Ag(5.0)-Cu(0.5)-Bi(94.5) at.-%.The liquiduses of Ag-Cu,Ag-Bi and Cu-Bi binaries were reinvestigated.

关键词: Ag-Cu-Bi ternary system , null

LIQUIDUS OF NdCl_3-MgCl_2-LiCl SYSTEM

ZHENG Chaogui JIN Jun YE Yupu Department of Chemistry , Peking University , Beijing , China Dept.of Chemistry , Peking University , Beijing , China

金属学报(英文版)

The liquidus of ternary system NdCl_3-MgCl_2-LiCl has been determined by means of DTA.It was found that there are two surfaces corresponding to the primary crystallization of NdCl_3 and α-(MgCl_2,LiCl)respectively,and a univariant line related to the secondary crystallization with a minimum M(68.5 wt-% NdCl_3,2.7 wt-% MgCl_2,28.8 wt-% LiCl_2 441℃)in the system.

关键词: NdCl_3 , null , null , null

LIQUIDUS OF Au-Cu-Si SYSTEM

LIU Shuqi YI Tao Department of Chemistry , Peking University , Beijing , China

金属学报(英文版)

The diagram of system Au-Cu-Si was constructed from data of 9 internal sections by DTA in an atmosphere of dry N_2.The composition of ternary eutectic point melting at 337℃ lies in Au(74.7)-Cu(6.1)-Si(19.2) at.-%.The liquidus of the 3 side-binary systems have been redetermined.

关键词: Au-Cu-Si system , null , null