热脆性的连续高温热电监测

IF 2.6 3区材料科学 Q2 MATERIALS SCIENCE, CHARACTERIZATION & TESTING Journal of Nondestructive Evaluation Pub Date : 2024-10-05 DOI:10.1007/s10921-024-01127-z

Alberto Ruiz, Brianna Lyons, Heriberto Granados-Becerra, Joseph Corcoran

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引用次数: 0

摘要

热脆是工程部件结构完整性的一个关键问题。监测热脆性可显示裂纹萌发和增长的敏感性，因此可作为损坏的前兆。本研究证明了热电功率（也称为塞贝克系数）与热老化 2507 超级双相不锈钢硬度之间的相关性，显示了使用热电功率作为脆性替代测量方法的适用性。本文介绍了一种适合安装在大型工程资产上的连续高温热电监测系统。样品的温度梯度为 6.5°C，测量标准偏差为 5.8 nV/°C，足以监测本研究中出现的约 850 nV/°C 的热电功率增长。

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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Continuous High-Temperature Thermoelectric Power Monitoring of Thermal Embrittlement

Thermal embrittlement is a key concern for the structural integrity of engineering components. Monitoring thermal embrittlement may indicate susceptibility to crack initiation and growth and therefore act as a damage precursor. In this study the correlation between thermoelectric power (also known as the Seebeck Coefficient) and the hardness of thermally aged 2507 super duplex stainless steel was demonstrated, showing the suitability of using thermoelectric power as a proxy measurement for embrittlement. This article presents a continuous high-temperature thermoelectric power monitoring system that is suitable for installation on large engineering assets. Using temperature gradients in the sample of < 6.5 °C a measurement standard deviation of 5.8 nV/°C was possible, which was sufficient to monitor the ~ 850 nV/°C increase in thermoelectric power that occurred in this study.

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来源期刊

Journal of Nondestructive Evaluation 工程技术-材料科学：表征与测试

CiteScore

4.90

自引率

7.10%

发文量

审稿时长

9 months

期刊介绍： Journal of Nondestructive Evaluation provides a forum for the broad range of scientific and engineering activities involved in developing a quantitative nondestructive evaluation (NDE) capability. This interdisciplinary journal publishes papers on the development of new equipment, analyses, and approaches to nondestructive measurements.