Abstract
sMetallographic analysis is one of the means of testing and analyzing materials. To conduct metallographic analysis, we must prepare samples that can be used for microscopic observation. It is important to select and prepare representative samples, which is directly related to the correctness of microstructure analysis of metallography apspecimensimen. In this paper, the preparation process of the ferrocarbon alloy metallographic sample was analyzed and studied in detail, and some common defects were pointed out. The preparation process includes sampling, inlaying, polishing, polishing, and corrosion. Then, taking a silicon aluminum alloy (YZAlSi10) as an example, the preparation process is described, and the matters needing attention in the preparation process and the elimination of metallographic defects are analyzed. Finally, the accurate and clear microstructure of the metallographic structure is restored.
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