Abstract：The metal solidification in metallurgical production is extremely complex. Besides the non-equilibrium self-organization phenomenon of the solidification process of multi-component alloys,it is also influenced by various factors,such as geometry,heterogeneous substrates,physical fields and so on,making it very difficult to study. Since solidification process has a significant impact on the quality of the final product,it is of great value to study it under production conditions,to investigate the evolution of structures and defects,and then to optimize the process parameters. While,experimental studies are the basis and key to investigate the phenomena,to find the laws,and to verify the numerical models. We review the common experimental research methods of metal solidification process under production conditions,focusing on physical simulation,thermal simulation and industrial experiment. The physical simulation,including transparent substance simulation,water simulation and low melting point metal simulation,has advantages in observing solidification phenomena and revealing mechanisms,but cannot directly reflect the phenomena and principles of actual metals in metallurgical solidification process. The thermal simulation method directly adopts the target metal as the experimental material and conducts experimental simulation research based on the similarity of the temperature field,which can directly reflect the metallurgical solidification process. It is a method with low cost and closer to the actual situation. Industrial experiments are an indispensable research tool to validate models and new technologies,but they are also characterized by high costs,difficulties in implementation,and long lead times. In general,several experimental research methods have their own characteristics and fields of application. Combining and developing different experimental methods is the future trend of metallurgical solidification process research.
仲红刚, 王人杰, 翟启杰. 冶金凝固过程试验研究方法及应用[J]. 钢铁, 2022, 57(10): 19-29.
ZHONG Hong-gang, WANG Ren-jie, ZHAI Qi-jie. Experimental research methods and applications of solidification processes in metallurgical industry[J]. Iron and Steel, 2022, 57(10): 19-29.
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2022, Vol. 57 
