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2级钛的循环氧化

Cyclic Oxidation of Titanium Grade 2.

作者信息

Aniołek Krzysztof, Barylski Adrian, Kupka Marian, Dercz Grzegorz

机构信息

Institute of Materials Engineering, University of Silesia, ul. 75 Pułku Piechoty 1A, 41-500 Chorzów, Poland.

出版信息

Materials (Basel). 2020 Nov 28;13(23):5431. doi: 10.3390/ma13235431.

DOI:10.3390/ma13235431
PMID:33260652
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7730219/
Abstract

This paper presents the results of research into the cyclic oxidation of titanium Grade 2. The value of titanium Grade 2 oxidation activation energy was determined based on an analysis of the Arrhenius diagram. The result was 205.3 kJ/mol. After cyclic oxidation at a temperature of 600 °C, the presence of oxides in an acicular system was observed on the surface. The specimen surface after oxidation at 650 °C was characterised by the presence of fine oxide particles, while after oxidation at 700 °C, the obtained oxide layer was composed of large oxide particles. The layers obtained after oxidation at 600 °C had the lowest thickness (1.26 and 2.12 µm), while those obtained at 700 °C had the highest thickness (5.17 and 9.45 µm). Examination of the phase composition after cyclic oxidation showed that the oxide layers obtained at temperatures of 600, 650 and 700 °C were composed of TiO (rutile) only. No presence of other phases was found. The oxide layers formed in the cyclic oxidation process were characterised by different thicknesses, depending on the oxidation parameters. It was found that cyclic oxidation contributed to a considerable increase in the surface hardness of titanium Grade 2.

摘要

本文介绍了对2级钛进行循环氧化的研究结果。基于对阿仑尼乌斯图的分析确定了2级钛的氧化活化能值。结果为205.3 kJ/mol。在600℃温度下进行循环氧化后,在表面观察到针状体系中的氧化物存在。650℃氧化后的试样表面特征是存在细小的氧化物颗粒,而700℃氧化后,所得氧化层由大的氧化物颗粒组成。600℃氧化后得到的层厚度最低(1.26和2.12 µm),而700℃得到的层厚度最高(5.17和9.45 µm)。循环氧化后相组成的检测表明,在600、650和700℃温度下得到的氧化层仅由TiO(金红石)组成。未发现其他相的存在。在循环氧化过程中形成的氧化层具有不同的厚度,这取决于氧化参数。发现循环氧化导致2级钛的表面硬度显著增加。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/13f42f149d9a/materials-13-05431-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/1c96e57805e7/materials-13-05431-g001.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/89f0ef9c98e1/materials-13-05431-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/7bf44f43ce68/materials-13-05431-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/34cd9315ba0f/materials-13-05431-g006a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/b0e1210caeb3/materials-13-05431-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/a23a4c15783c/materials-13-05431-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/6dfc446b8bb0/materials-13-05431-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/babbce462fd7/materials-13-05431-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/6deaad7815b6/materials-13-05431-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/13f42f149d9a/materials-13-05431-g012.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/1c96e57805e7/materials-13-05431-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/627b34db693a/materials-13-05431-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/5d632ba885ae/materials-13-05431-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/89f0ef9c98e1/materials-13-05431-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/7bf44f43ce68/materials-13-05431-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/34cd9315ba0f/materials-13-05431-g006a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/b0e1210caeb3/materials-13-05431-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/a23a4c15783c/materials-13-05431-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/6dfc446b8bb0/materials-13-05431-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/babbce462fd7/materials-13-05431-g010.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/6deaad7815b6/materials-13-05431-g011.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/19d9/7730219/13f42f149d9a/materials-13-05431-g012.jpg

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