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phase diagram 1 Introduction As sphalerite mines are becoming exhausted, researchers have diverted attention to zinc oxide ores. It is more necessary to extract zinc from zinc oxide ores [1-4... Phase diagram of Na2O-ZnO-H2O system at 25 and 75 ℃ The equilibrium data at 25 and 75 ℃ are plotted in Fig. 1. Points A and D represent solids ZnO and NaZn(OH)3, respectively (as shown in Fig. 2......
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-Cu series aluminum alloy were calculated by calculation of phase diagram (CALPHAD) method. Microstructure and phases of Al-9.2Zn-1.7Mg-2.3Cu alloy were studied by X-ray diffraction (XRD...: thermodynamic calculation; high-zinc alloy; Al-Zn-Mg-Cu; calculation of phase diagram (CALPHAD) 1 Introduction Al-Zn-Mg-Cu alloys (7000 series) are extensively used in aeronautical applications, due......
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. Fig.1 Equilibrium phase diagram of Ni-Pb binary alloy[13] In order to investigate the effect of undercooling on liquid phase separation, DTA analysis was employed to study the phase transition... in Fig.2(a) and Fig.3 is 15.40%, corresponding to that of L1 phase in the equilibrium phase diagram at 1 758 K[13]. This indicates that the spherical cell origins from L1 phase which is separated......
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Gibbs energy of various phases including both disordered and ordered phases of the Ta-W system are evaluated.The phase diagram of Ta-W alloys is assessed and predicted.The results are in good...Phase stability of Ta-W alloysXiaobo LI 1)and Ping ZHANG 2) 1) College of Civil Engineering and Mechanics, Xiangtan University, Xiangtan 411105, China 2) Key Laboratory of Materials Design......
相图热力学计算在AM60-XGd镁合金设计中的应用 赵悦光1,张亚东1,郭永春1,杨忠1,李建平1 (1.西安工业大学,陕西,西安,710032) 摘要:以相图热力学为基础,计算了Mg-6Al-XGd(质量分数, %, 下同)镁合金的垂直截面图,200和500 ℃的等温截面图.根据相图设计了不同Gd含量的AM60-XGd(X为0%, 0.8%, 1.2%, 1.6%和2.0%)镁合金.并且对不同Gd含量的AM60镁合金进行了显微组织观察,力学性能测试.结果表明, AM60合金组织随着稀土的加入得到细化.合金的抗拉强度和延伸率都得到显著提高.当合金中加入1.6%Gd时, 合金表现出最好的显微组织和力学性能. 关键词:相图热力学; AM60镁合金; Gd含量; 显微组织; 力学性能; phase diagram thermodynamics; AM60 magnesium alloy......
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