The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid Solution
The corrosion resistance of titanium alloy poses a crucial challenge, significantly affecting its prospect for service and application. The present study aimed to investigate the corrosion resistance of Ti-6Al-4V ELI alloys with varying surface roughness in hydrofluoric acid solution, in order to as...
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| Format: | Article |
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MDPI AG
2024-03-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/14/3/364 |
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| author | Han Wang Quanshi Cheng Zhuo Chang Kedi Wang Xuemin Gao Xueling Fan |
| author_facet | Han Wang Quanshi Cheng Zhuo Chang Kedi Wang Xuemin Gao Xueling Fan |
| author_sort | Han Wang |
| collection | DOAJ |
| description | The corrosion resistance of titanium alloy poses a crucial challenge, significantly affecting its prospect for service and application. The present study aimed to investigate the corrosion resistance of Ti-6Al-4V ELI alloys with varying surface roughness in hydrofluoric acid solution, in order to assess the influence of roughness on their corrosion resistance performance. The weight loss percentage, surface morphology evolution, and roughness variation of Ti-6Al-4V ELI alloys before and after exposure to hydrofluoric acid corrosion were characterized. While the weight loss and weight loss percentage of the Ti-6Al-4V ELI alloy increased with prolonged corrosion, the overall weight loss rate decreased. The accumulation of TiF<sub>3</sub> phases and depletion of the Ti-6Al-4V ELI matrix mutually led to the alterations of the surface roughness. Due to the inability to prevent fluoride ions from contacting with the Ti-6Al-4V ELI alloy, continuous corrosion occurred in hydrofluoric acid. Based on these experimental results and analysis, the corrosion mechanism of the Ti-6Al-4V ELI alloy corroded by hydrofluoric acid solution was elucidated. Furthermore, an analysis was conducted to explore the influence of corrosion time on mechanical properties by analyzing the decay in compressive properties of the Ti-6Al-4V ELI titanium alloy after hydrofluoric acid corrosion treatment. The bearing capacity of the Ti-6Al-4V ELI alloy deteriorated over the corrosion time. |
| first_indexed | 2024-04-24T18:01:07Z |
| format | Article |
| id | doaj.art-0613805916ee404fbde1c4fb876a6211 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-04-24T18:01:07Z |
| publishDate | 2024-03-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-0613805916ee404fbde1c4fb876a62112024-03-27T13:54:34ZengMDPI AGMetals2075-47012024-03-0114336410.3390/met14030364The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid SolutionHan Wang0Quanshi Cheng1Zhuo Chang2Kedi Wang3Xuemin Gao4Xueling Fan5Xi’an Key Laboratory of Extreme Environmental and Protection Technology, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaHenan Key Laboratory of Fastening Connection Technology, Henan Aerospace Precision Machining Co., Ltd., Xinyang 464000, ChinaLaboratory for Multiscale Mechanics and Medical Science, State Key Laboratory for Strength and Vibration of Mechanical Structures, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaXi’an Key Laboratory of Extreme Environmental and Protection Technology, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaHenan Key Laboratory of Fastening Connection Technology, Henan Aerospace Precision Machining Co., Ltd., Xinyang 464000, ChinaXi’an Key Laboratory of Extreme Environmental and Protection Technology, School of Aerospace Engineering, Xi’an Jiaotong University, Xi’an 710049, ChinaThe corrosion resistance of titanium alloy poses a crucial challenge, significantly affecting its prospect for service and application. The present study aimed to investigate the corrosion resistance of Ti-6Al-4V ELI alloys with varying surface roughness in hydrofluoric acid solution, in order to assess the influence of roughness on their corrosion resistance performance. The weight loss percentage, surface morphology evolution, and roughness variation of Ti-6Al-4V ELI alloys before and after exposure to hydrofluoric acid corrosion were characterized. While the weight loss and weight loss percentage of the Ti-6Al-4V ELI alloy increased with prolonged corrosion, the overall weight loss rate decreased. The accumulation of TiF<sub>3</sub> phases and depletion of the Ti-6Al-4V ELI matrix mutually led to the alterations of the surface roughness. Due to the inability to prevent fluoride ions from contacting with the Ti-6Al-4V ELI alloy, continuous corrosion occurred in hydrofluoric acid. Based on these experimental results and analysis, the corrosion mechanism of the Ti-6Al-4V ELI alloy corroded by hydrofluoric acid solution was elucidated. Furthermore, an analysis was conducted to explore the influence of corrosion time on mechanical properties by analyzing the decay in compressive properties of the Ti-6Al-4V ELI titanium alloy after hydrofluoric acid corrosion treatment. The bearing capacity of the Ti-6Al-4V ELI alloy deteriorated over the corrosion time.https://www.mdpi.com/2075-4701/14/3/364Ti-6Al-4V ELIcorrosion resistancesurface morphologysurface roughnessmechanical property recession |
| spellingShingle | Han Wang Quanshi Cheng Zhuo Chang Kedi Wang Xuemin Gao Xueling Fan The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid Solution Metals Ti-6Al-4V ELI corrosion resistance surface morphology surface roughness mechanical property recession |
| title | The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid Solution |
| title_full | The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid Solution |
| title_fullStr | The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid Solution |
| title_full_unstemmed | The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid Solution |
| title_short | The Study on Corrosion Resistance of Ti-6Al-4V ELI Alloy with Varying Surface Roughness in Hydrofluoric Acid Solution |
| title_sort | study on corrosion resistance of ti 6al 4v eli alloy with varying surface roughness in hydrofluoric acid solution |
| topic | Ti-6Al-4V ELI corrosion resistance surface morphology surface roughness mechanical property recession |
| url | https://www.mdpi.com/2075-4701/14/3/364 |
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