添加纳米tin的火花等离子烧结Ti-6Al-4V在不同介质中的腐蚀行为

2018 IEEE 9th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT) Pub Date : 2018-04-17 DOI:10.1109/ICMIMT.2018.8340421

O. Falodun, B. Obadele, S. R. Oke, M. E. Maja, O. Ige, P. Olubambi

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引用次数: 1

摘要

采用动电位极化和计时电流法研究了纳米氮化钛增强烧结Ti-6Al-4V在NaCl、HCl和H2SO4溶液中的腐蚀性能。采用扫描电子显微镜(SEM)研究了腐蚀后样品的表面形貌。钛基复合材料的腐蚀行为表明，TiN在氯化钠、盐酸和硫酸中对Ti-6Al-4V合金具有有效的保护作用。与烧结Ti-6Al-4V相比，添加4vol % TiN增强Ti-6Al-4V具有更好的腐蚀性能。

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Corrosion behaviour of spark plasma sintered Ti-6Al-4V with Nano-TiN addition in different media

The Potentiodynamic polarization and chronoamperometry tests were employed to investigate the corrosion performance of sintered Ti-6Al-4V reinforced with nanosize titanium nitride in NaCl, HCl and H2SO4 solutions. Scanning electron microscopy (SEM) was used to study the surface morphology of the corroded samples after the chronoamperometry tests. The corrosion behaviour of the titanium matrix composite shows that TiN can provide an effective protection for Ti-6Al-4V alloy in sodium chloride, hydrochloric and sulphuric acids. Ti-6Al-4V reinforced with 4 vol% TiN displayed superior corrosion performance as compared to the sintered Ti-6Al-4V.

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2018 IEEE 9th International Conference on Mechanical and Intelligent Manufacturing Technologies (ICMIMT)

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