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利用声发射辅助热膨胀法研究Ti-6Al-4V合金的相变

Transformations in the Ti-6Al-4V Alloy Studied Using Dilatometry Supported by Acoustic Emission.

作者信息

Łazarska Małgorzata, Musiał Janusz, Tański Tomasz, Ranachowski Zbigniew

机构信息

Faculty of Material Engineering, Kazimierz Wielki University, Chodkiewicza 30, 85-064 Bydgoszcz, Poland.

Faculty of Mechatronics, Kazimierz Wielki University, Mikołaja Kopernika 1, 85-074 Bydgoszcz, Poland.

出版信息

Materials (Basel). 2024 Dec 21;17(24):6260. doi: 10.3390/ma17246260.

DOI:10.3390/ma17246260
PMID:39769858
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11677409/
Abstract

This paper presents the results of research on the kinetics of transformations in the two-phase (α + β) Ti-6Al-4V alloy. The transformation start and end temperatures during heating at different rates were determined using a dilatometer. A modified dilatometer was employed, equipped with an acoustic emission measurement apparatus and software enabling the assessment of sample dimensional changes during heating and cooling. The results were obtained in the form of dilatometric curves. Additionally, the occurrence of the transformation was confirmed by acoustic emission signals. In the study of the Ti-6Al-4V alloy, acoustic emission refers to the application of this non-destructive technique to monitor the alloy's behavior during thermal processes. As the temperature increased, regardless of the heating rate, the α→β transformation was observed to occur after exceeding 900 °C. Within the transformation range, acoustic emission signals were recorded. Moreover, it was found that the applied research methods enabled the identification of signal components originating from the transformation. The application of acoustic methods in the analysis of phase transformations opens new possibilities for their use in industry.

摘要

本文介绍了两相（α + β）Ti-6Al-4V合金转变动力学的研究结果。使用膨胀仪测定了不同加热速率下的转变起始温度和结束温度。采用了一种改进的膨胀仪，配备了声发射测量装置和软件，能够评估样品在加热和冷却过程中的尺寸变化。结果以膨胀曲线的形式获得。此外，通过声发射信号证实了转变的发生。在Ti-6Al-4V合金的研究中，声发射是指应用这种无损技术来监测合金在热过程中的行为。随着温度升高，无论加热速率如何，观察到α→β转变在超过900°C后发生。在转变范围内，记录到了声发射信号。此外，发现所应用的研究方法能够识别源自转变的信号成分。声学方法在相变分析中的应用为其在工业中的应用开辟了新的可能性。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/eeb593cf235e/materials-17-06260-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/43bed3e691a7/materials-17-06260-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/1e5d69f09f44/materials-17-06260-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/427adb68993c/materials-17-06260-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/fc43b25fbf34/materials-17-06260-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/6a8584a216e9/materials-17-06260-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/b9d2ed26ecb4/materials-17-06260-g006a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/eeb593cf235e/materials-17-06260-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/43bed3e691a7/materials-17-06260-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/1e5d69f09f44/materials-17-06260-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/427adb68993c/materials-17-06260-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/fc43b25fbf34/materials-17-06260-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/6a8584a216e9/materials-17-06260-g005a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/b9d2ed26ecb4/materials-17-06260-g006a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/006e/11677409/eeb593cf235e/materials-17-06260-g007.jpg

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本文引用的文献

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Influence of heat treatment processes on microstructure evolution, tensile and tribological properties of Ti6Al4V alloy.热处理工艺对 Ti6Al4V 合金组织演变、拉伸和摩擦学性能的影响。
Sci Rep. 2023 Jul 12;13(1):11292. doi: 10.1038/s41598-023-38250-2.
3
The Use of Acoustic Emission and Neural Network in the Study of Phase Transformation below M.
声发射与神经网络在Ms点以下相变研究中的应用
Materials (Basel). 2021 Jan 24;14(3):551. doi: 10.3390/ma14030551.
4
Application of the Acoustic Emission Method and Kolmogorov-Sinai Metric Entropy in Determining the Yield Point in Aluminium Alloy.声发射法与柯尔莫哥洛夫-西奈度量熵在确定铝合金屈服点中的应用
Materials (Basel). 2020 Mar 19;13(6):1386. doi: 10.3390/ma13061386.