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中文摘要：
对相图的常用实验测定方法进行综述,以Cr-Ni-Ru三元体系相图的高通量测定为例,展示高效测定二元、三元相图的扩散多元节方法。基于相图计算(Calculation of phase diagrams,CALPHAD)方法,以Cr-Ru二元体系和Cr-Ni-Ru三元体系的热力学优化为例,阐述Cr-Ni-Ru三元体系热力学数据库建立的具体流程,分析当前镍基高温合金研究效率低下的原因。结果表明:快速建立与定量预测材料成分、相、组织、性能关系的高通量实验和计算方法是促进未来镍基高温合金研究发展的重点。
英文摘要：
The experimental methods for phase diagram determination were reviewed. Comparing with the traditional methods for phase diagram determination, the Cr-Ni-Ru ternary system was employed to illustrate the high efficiency and accuracy of the diffusion multiple technique in the binary and ternary phase diagrams determination. Based on the calculation of phase diagrams (CALPHAD) approach, thermodynamic assessments were performed in the Cr-Ru and Cr-Ni-Ru systems to expound the procedure of the establishment of the Cr-Ni-Ru thermodynamic database. The reasons resulting in the inefficiency of the development of nickel-based superalloys were also discussed. The results show that high-throughput experimental and computational methods for efficiently predicting and establishing the relationships among composition, phase, microstructure and property are fundamental importance for promoting the development of nickel-based super alloys.
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