钛和Ti-6Al-4V与元素硫的硫化动力学

IF 1.5 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY Corrosion Engineering, Science and Technology Pub Date : 2023-07-26 DOI:10.1080/1478422X.2023.2238388

Subbarao Raikar, Steven J. DiGregorio, O. Hildreth

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引用次数: 0

摘要

摘要通过测量金属消耗量而不是质量或标度厚度的变化，研究了钛和Ti-6Al-4V（Ti64）使用元素硫的硫化动力学。这种金属消耗方法结合了抛物线氧化定律、Arrhenius方程和Pilling-Bedworth比率来确定硫化过程中Ti64的表观活化能和指数前消耗因子。表观活化能和指数前因子分别为110.4 kJ·mol−1和1.3 × 钛硫为10−9 m2s−1，116.2 kJ·mol−1和1.2 × Ti64硫系统为10−9 m2s−1。最后，开发了一个材料去除预测器来预测给定硫化温度和时间下Ti64的消耗量。

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Sulfidation kinetics of titanium and Ti-6Al-4V with elemental sulfur

ABSTRACT The sulfidation kinetics of titanium and Ti-6Al-4V (Ti64) using elemental sulfur were studied by measuring the amount of metal consumed instead of the change in mass or scale thickness. This metal consumption approach combines the parabolic oxidation law, Arrhenius equation, and Pilling-Bedworth ratio to determine the apparent activation energy and the pre-exponential factor of consumption of Ti64 during sulfidation. The estimations of apparent activation energy and pre-exponential factor were 110.4 kJ·mol−1 and 1.3 × 10−9 m2s−1 for the titanium-sulfur, and 116.2 kJ·mol−1 and 1.2 × 10−9 m2s−1 for the Ti64-sulfur system. Finally, a material removal predictor was developed to predict the amount of Ti64 consumed for a given sulfidation temperature and time.

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来源期刊

Corrosion Engineering, Science and Technology 工程技术-材料科学：综合

CiteScore

3.20

自引率

5.60%

发文量

审稿时长

3.4 months

期刊介绍： Corrosion Engineering, Science and Technology provides broad international coverage of research and practice in corrosion processes and corrosion control. Peer-reviewed contributions address all aspects of corrosion engineering and corrosion science; there is strong emphasis on effective design and materials selection to combat corrosion and the journal carries failure case studies to further knowledge in these areas.