fe - mn - si - c基多相钢残余奥氏体化学成分的EPMA定量分析

Q3 Immunology and Microbiology Applied Microscopy Pub Date : 2022-12-20 DOI:10.1186/s42649-022-00083-0

Yoon-Uk Heo, Chang-Gon Jeong, Soo-Hyun Kim, Gun-Young Yoon, T. T. T. Trang, Youngyun Woo, Eun Yoo Yoon, Young-Seon Lee

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引用次数: 1

摘要

电子探针x射线显微分析仪(EPMA)是研究微观结构中化学成分分布的重要工具。使用标准样品定量化学成分通常用于确定各个相的组成。然而，由于标准样品中化学成分的局部差异，导致定量成分与实际成分存在偏差。本文介绍了在实际应用中如何克服EPMA的量化误差。将所得结果应用于评价多相钢中残余奥氏体的化学成分。膜型奥氏体碳含量高于块状奥氏体。测定的残余奥氏体碳含量与x射线衍射计算值具有较好的一致性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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EPMA quantification on the chemical composition of retained austenite in a Fe-Mn-Si-C-based multi-phase steel

An electron probe X-ray microanalyzer (EPMA) is an essential tool for studying chemical composition distribution in the microstructure. Quantifying chemical composition using standard specimens is commonly used to determine the composition of individual phases. However, the local difference in chemical composition in the standard specimens brings the deviation of the quantified composition from the actual one. This study introduces how to overcome the error of quantification in EPMA in the practical aspect. The obtained results are applied to evaluate the chemical composition of retained austenite in multi-phase steel. Film-type austenite shows higher carbon content than blocky-type one. The measured carbon contents of the retained austenite show good coherency with the calculated value from the X-ray diffraction.

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来源期刊

Applied Microscopy Immunology and Microbiology-Applied Microbiology and Biotechnology

CiteScore

3.40

自引率

0.00%

发文量

审稿时长

10 weeks

期刊介绍： Applied Microscopy is a peer-reviewed journal sponsored by the Korean Society of Microscopy. The journal covers all the interdisciplinary fields of technological developments in new microscopy methods and instrumentation and their applications to biological or materials science for determining structure and chemistry. ISSN: 22875123, 22874445.