最后,根据第一性原理模拟计算出了了不同相的吉布斯自由能随温度和成分变化的多项式表达式,从而可以用于铝锂合金中尺度析出的模拟。 [1] B W S A , Envelope S L B C P , Envelope J L A B P .First principles prediction of the Al-Li phase diagram including configurational and vibrational entropic c...
最后,根据第一性原理模拟计算出了了不同相的吉布斯自由能随温度和成分变化的多项式表达式,从而可以用于铝锂合金中尺度析出的模拟。 [1] B W S A , Envelope S L B C P , Envelope J L A B P .First principles prediction of the Al-Li phase diagram including configurational and vibrational entropic c...
PHASE transitionsMARTENSITIC transformationsALUMINUM-lithium alloysThe phase diagram of the Al-Li system was determined by means of first principles calculations in combination with the cluster expansion formalism and statistical mechanics. The ground state phases were determined from first principles ...
4.最后,得到了不同相的吉布斯自由能随温度和成分变化的多项式表达式,可用于铝锂合金中尺度析出模拟。 [1] Liu, S., Esteban-Manzanares, G. & LLorca, J. First Principles Prediction of the Al-Li Phase Diagram.Metall Mater Trans A52, 4675–4690 (2021). 科学指南针为超过3000家高校和企业提供一站式...
KEYWORDSALi—Mg-5ialloys.phasediagramcalculation.micro~tructures 含锂的铝合金密度低,比强度高,是一种重要的航空材料.提高含锂的铝合金的塑 韧性配 合,是材料研究的目标合金化是改善含锂铝合金性能的一种重要手段.人们已经对 A1一Cu-Li, A1一Mg-Li和Al—Li—cu-Mg系合金做了大量研究【..6O00系合金是一...
The high-pressure phase diagram of an aluminium-rich Al-Li alloy at a 5.4 GPa pressure was investigated. To determine the equilibrium state under high-pressure and high-temperature conditions, the quenching method was applied and a phase analysis of the sample was performed using X-ray diffractio...
Phase diagram and Phase Reaction in Al-Li Alloys. "Aluminum-lithium Alloys: Processing, properties and applications" Significant advantages in weight reduction and increased strength have place advanced aluminum-lithium alloys at forefront of aerospace materials research... NE Prasad,TR Ramachandran 被引...
分类号UDC博士学位论文密级——Mg—Mn—Fe—Ni、Mg—Mn—Ca—Zr、Mg—Mn—AI—Li体系的相图及热力学研究InvestigationonthephasediagramsandthermodynamicsoftheMg—Mn—Fe—Ni.Mg—Mn—Ca—ZrandMg—Mn—AI—Lisystems作者姓名:***:学院(系、所):指导教师:**生材料科学与工程粉末冶金研究院杜勇教授论文答辩日期...
CALPHAD (CALculation of PHAse Diagram)技术是一种应用广泛的相图热力学计算方法,可应用于多组元材料的研发与设计,因此很有必要获得多组元铝合金体系的相图与热力学信息,并建立相图热力学数据库。本工作针对A1合金中重要的Al-Cd-Mg三元系及Al-Li-Mg-Mn、Al-Li-Mg-Si四元系富Al角进行了实验测定和相图计算研究...
Relations of equilibrium phases in the Al-Ca-Li system were calculated by means of the CALPHAD (calculation of phase diagram) method. The reported thermodynamic model parameters for all the constituent binary systems were directly used in the present calculation. A novel thermodynamic description for...