Phase Diagrams and Physical Properties of Nonequilibrium AlloysNonequilibrium Phase Diagrams of Ternary Amorphous AlloysSummary This document is part of Subvolume A 'Nonequilibrium Phase Diagrams of Ternary Amorphous Alloys' of Volume 37 'Phase Diagrams and Physical Properties of Nonequilibrium Alloys' ...
Alloy Phase Diagram Diffusion Couple cP20 Crystal Structure Data Symbol Group Designation Prototype Access this article Log in via an institution Subscribe and save Springer+ Basic €32.70 /Month Get 10 units per month Download Article/Chapter or eBook 1 Unit = 1 Article or 1 Chapter Cancel ...
The Al-Mn phase diagram depicted a number of intermediate phases. A diffusion couple of Mn with a 55Mg-45Al master alloy and the four ternary alloys were annealed at 400 °C for 446 or 672 h and quenched in water. The annealing experiments revealed tie-lines between (Mg) and (βMn) ...
Fig . 4 . Phase diagram for the Al Mn system 2007 年 8 月 成 惠 , 张春元 , 赵宝群: A l - M n 二十面体准晶的相变研究 ・53・ 5 讨论和结论 为 了在实验[ 2] 中得到纯 Al-M n 准晶二十面 体结构 , 一方面, 必须在制备过程中提供足够的能 量使Al 原子电离 ( 从而导致M n ...
CALPHAD(CALculation of PHAse Diagram)技术基于热力学模型,广泛地应用于多组元材料体系的相图热力学性质计算和相变模拟.CALPHAD方法所得的化学势和热力学因子可以用来进行扩散模拟,相驱动力结合Landau理论还可以用来模拟微观结构的演变等.CALPHAD技术的成功应用依赖于精确的多组元体系的相图热力学数据库的建立,因此获得多组...
3) The obtained thermodynamic descriptions were implemented into the TCAL database and extensively validated by phase diagram calculations and solidification simulations. The resulting updated database can reliably predict the phase formation in multi-component alloy systems and industrial aluminum alloys. ...
利用相图计算CALPHAD (CALculation of PHAse Diagram)方法建立的热力学和动力学数据库可以为材料显微组织定量模拟提供精确的相图热力学和扩散动力学信息。近年来,建立在精确热力学和扩散动力学基础上的相场模拟成为一种非常有效的显微组织模拟方法。 Cu、Mn、Ni、Si和B是多元铝合金中重要的合金元素或者添加元素,它们之间...
Phase equilibria at Fe-Mn side of isothermal section at 1000 and 1100℃ in Fe-Mn-Al system have been determined using the diffusion couple technique and metallography.A three-phase,α+γ+β,region was found at 1000℃.The method of solid/gas diffusioncouple used to determine equilibrium phase...
CALPHAD(CALculation of PHAse Diagram)技术是目前相图评估与预测最常用的手段.通过使用CALPHAD方法,我们可以根据现有的试验数据对各种材料体系的相平衡进行计算,从而可以指导新材料的研制与设计,并大大减少材料研发的成本与周期.本文主要基于CALPHAD方法对Al-Nb,Al-Fe-Mn等铝合金体系的相图热力学进行了详细的优化,同时还...
phase diagramthermodynamicsThis document is part of Subvolume 12A 'Ac-Ag ... Au-Zr, Supplement to Subvolume IV/5A' of Volume 12 'Phase Equilibria, Crystallographic and Thermodynamic Data of Binary Alloys' of Landolt-Brnstein - Group IV 'Physical Chemistry'. It provides an overview of the ...