Ni-Cr-Re三元系相图的试验测定和优化计算  

Experimental Determination and Optimization Calculation of Ni-Cr-Re Ternary Phase Diagram

作　　者：张帅[1] 石建宾 鲁晓刚[1] ZHANG Shuai;SHI Jianbin;LU Xiaogang(School of Materials Science and Engineering,Shanghai University,Shanghai 200444;Unit 63610 of PLA,Korla Xinjiang 841001,China)

机构地区：[1]上海大学材料科学与工程学院,上海200444 [2]中国人民解放军63610部队,新疆库尔勒841001

出　　处：《上海金属》2023年第3期51-56,82,共7页Shanghai Metals

基　　金：国家重点研发计划(2017YFB0701502)。

摘　　要：采用平衡合金法制备了Ni-Cr-Re三元系合金试样,并用能谱仪测定了1373和1473 K的平衡相成分。结合前人的试验结果,运用CALPHAD方法,基于相平衡数据和第一性原理计算结果,优化了Ni-Cr-Re三元系1373、1425、1473和1573 K 4个等温截面,建立了合理自洽的Ni-Cr-Re三元系热力学数据库。Ni-Cr-Re ternary alloy samples were prepared by equilibrated alloy method,and the equilibrium phase compositions at 1373 and 1473 K was determined by energy dispersive spectrometer.The CALPHAD method,combined with the previous experimental results,were applied to optimize the four isothermal sections of the Ni-Cr-Re ternary system at 1373,1425,1473 and 1573 K based on the phase equilibrium data and first-principles calculations,and a reasonable and self-consistent thermodynamic database of the Ni-Cr-Re ternary system was established.

关 键 词：Ni-Cr-Re三元系 相平衡试验 CALPHAD 方法 

分 类 号：TG146[一般工业技术—材料科学与工程]