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基于结构相稳定性的珠光体钢力学性能退化分析

Analysis of the Degradation of Pearlitic Steel Mechanical Properties Depending on the Stability of the Structural Phases.

作者信息

Šmak Radim, Votava Jiří, Lozrt Jaroslav, Kumbár Vojtěch, Binar Tomáš, Polcar Adam

机构信息

Department of Technology and Automobile Transport, Faculty of AgriSciences, Zemědělská 1, Mendel University in Brno, 613 00 Brno, Czech Republic.

Department of Electrotechnology, Faculty of Electrical Engineering and Communication, Brno University of Technology, Technická 3058/10, 616 00 Brno, Czech Republic.

出版信息

Materials (Basel). 2023 Jan 5;16(2):518. doi: 10.3390/ma16020518.

DOI:10.3390/ma16020518
PMID:36676261
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9862450/
Abstract

The paper is focused on analysing the pearlitic steel phase transformations and their influence on the mechanical properties. The intention is to perform a detailed analysis of the heat treatment process using the exact heating temperature and chemical composition to achieve the optimal mechanical properties of the tool. The key area is monitoring and regulating the heat treatment. This technology is constantly undergoing an optimisation process and is an effort to introduce new trends in monitoring phase transformations and processes. The use of non-destructive methods is an adequate tool. The principle is to determine the exact structural phase at a given moment, which can be very difficult when a complex shaped part is heat treated. Which precludes the use of some other methods of phase transformation analysis. Specifically, the determination of the exact moment of finish of the austenitisation process is eminent. The monitoring of these processes will be ensured by both a non-contact pyrometer and also by the AE method with an adequate sensor and waveguide. The resulting structural phases formed after the heat treatment will be evaluated by electron microscopy, followed by the analysis of the mechanical properties of selected steels.

摘要

本文着重分析珠光体钢的相变及其对机械性能的影响。目的是使用精确的加热温度和化学成分对热处理过程进行详细分析，以实现工具的最佳机械性能。关键领域是监测和调节热处理。这项技术正在不断优化，旨在引入监测相变和过程的新趋势。使用无损检测方法是一种合适的工具。其原理是确定给定时刻的确切结构相，而在对复杂形状的零件进行热处理时，这可能非常困难。这排除了使用其他一些相变分析方法的可能性。具体而言，确定奥氏体化过程结束的确切时刻尤为重要。这些过程将通过非接触式高温计以及配备适当传感器和波导的声发射（AE）方法进行监测。热处理后形成的最终结构相将通过电子显微镜进行评估，随后对选定钢材的机械性能进行分析。

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