利用循环伏安法和氢渗透法研究微观结构对 SA 210 A1 级钢摄氢量的影响

IF 1.5 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Bagus Dwiprasetyo Raharjo Putra, Fariza Julio, Suwarno
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引用次数: 0

摘要

碳钢管道和管材会因吸氢而降解。氢渗透法通常用于测试和鉴定钢对氢原子扩散的反应。最近有人提出了循环伏安法(CV),因为这种方法比渗透法更直接。为了研究这两种方法是否具有可比性,我们进行了一项综合研究。研究对象是 SA 210 等级的模型合金。研究包括通过不同的热处理制备具有不同微观结构的试样。随后,对每种微观结构变化进行金相分析,然后进行机械测试,以评估吸氢测试前后的变化。CV 方法包括三个步骤:吸氢前的 CV,以寻找参考伏安图;氢充电;吸氢后的 CV,以确定充电后的伏安图。电化学氢渗透测试是在 Devanathan-Stachursky 双电池中进行的。对 CV 和渗透方法进行比较后发现,这两种方法在评估钢与氢之间的相互作用方面显示出非常相似的结果。渗透法提供的是定量结果,而 CV 法提供的是更多的定性见解。两种方法都表明,与正常化和基本材料条件下的氢扩散速率相比,淬火钢的氢扩散速率最慢。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effect of microstructure on hydrogen uptake in SA 210 grade A1 steel studied using cyclic voltammetry and hydrogen permeation method

Carbon steel piping and tubing can be degraded by hydrogen uptake. The hydrogen permeation method is commonly applied to testing and qualification steel in response to hydrogen atom diffusion. Cyclic voltammetry (CV) has recently been proposed because it is a more straightforward method than permeation. A comprehensive study was conducted to investigate whether these two methods are comparable. A model alloy of SA 210 grade was studied. The study involved preparing specimens with varying microstructures through different heat treatments. Subsequently, metallographic analysis was conducted on each microstructural variation, followed by mechanical testing to evaluate the changes obtained before and after the hydrogen absorption test. The CV method consisted of three steps: CV before H absorption to search for a reference voltammogram, H charging, and CV after H absorption to determine the after-charge voltammogram. Electrochemical hydrogen permeation tests were performed in a Devanathan–Stachursky double cell. A comparison of the CV and permeation methods revealed that they show pretty similar results in evaluating the interaction between steel and hydrogen. Permeation methods provide quantitative results, while CV offers more qualitative insights. Both methods show that the quenched steel has the slowest hydrogen diffusion rate compared with those in normalized and base material conditions.

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来源期刊
Journal of Mechanical Science and Technology
Journal of Mechanical Science and Technology 工程技术-工程:机械
CiteScore
2.90
自引率
6.20%
发文量
517
审稿时长
7.7 months
期刊介绍: The aim of the Journal of Mechanical Science and Technology is to provide an international forum for the publication and dissemination of original work that contributes to the understanding of the main and related disciplines of mechanical engineering, either empirical or theoretical. The Journal covers the whole spectrum of mechanical engineering, which includes, but is not limited to, Materials and Design Engineering, Production Engineering and Fusion Technology, Dynamics, Vibration and Control, Thermal Engineering and Fluids Engineering. Manuscripts may fall into several categories including full articles, solicited reviews or commentary, and unsolicited reviews or commentary related to the core of mechanical engineering.
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