Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloy
Double-pass friction stir processing (FSP) engendered intense plastic deformation in Mg–3Al–1Zn alloy with variation in the most influential process parameters, namely tool rotation speed and tool traverse speed. The effect of change in the FSP processing route on the resulting grain size was also a...
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| Format: | Article |
| Language: | English |
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KeAi Communications Co., Ltd.
2023-09-01
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| Series: | International Journal of Lightweight Materials and Manufacture |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2588840423000057 |
| _version_ | 1797842219015602176 |
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| author | Deepika Harwani Vishvesh Badheka Vivek Patel |
| author_facet | Deepika Harwani Vishvesh Badheka Vivek Patel |
| author_sort | Deepika Harwani |
| collection | DOAJ |
| description | Double-pass friction stir processing (FSP) engendered intense plastic deformation in Mg–3Al–1Zn alloy with variation in the most influential process parameters, namely tool rotation speed and tool traverse speed. The effect of change in the FSP processing route on the resulting grain size was also analysed. Uniformly distributed fine equiaxed grains (average grain size ∼ 6.15 μm) were acquired in the stir-zone (SZ) due to extensive dynamic recrystallization (DRX). Attainment of large grain refinement encouraged for further investigation of the alloy's superplastic behaviour at elevated temperatures. Microstructural examination was followed by uniaxial tensile tests that were carried out at three distinct temperatures of 350, 400 and 450 °C at the constant strain rate of 1.3 × 10−3 s−1. With the rising deformation temperature, reduction in the flow stress led to significant increase in the tensile elongations of all the processed specimens. Micro-grain superplasticity (elongation >200% under tension) was observed at the highest deformation temperature for the friction stirred specimen with the finest grains. |
| first_indexed | 2024-04-09T16:44:19Z |
| format | Article |
| id | doaj.art-1c1ea214bf3b4f1dae03a6ce8c0bbbbc |
| institution | Directory Open Access Journal |
| issn | 2588-8404 |
| language | English |
| last_indexed | 2024-04-09T16:44:19Z |
| publishDate | 2023-09-01 |
| publisher | KeAi Communications Co., Ltd. |
| record_format | Article |
| series | International Journal of Lightweight Materials and Manufacture |
| spelling | doaj.art-1c1ea214bf3b4f1dae03a6ce8c0bbbbc2023-04-23T06:07:30ZengKeAi Communications Co., Ltd.International Journal of Lightweight Materials and Manufacture2588-84042023-09-0163405415Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloyDeepika Harwani0Vishvesh Badheka1Vivek Patel2Department of Mechanical Engineering, School of Technology, Pandit Deendayal Energy University (formerly Known As Pandit Deendayal Petroleum University), Raisan, Gandhinagar, India; Corresponding author. Department of Mechanical Engineering, School of Technology, Pandit Deendayal Energy University, Gujarat, India.Department of Mechanical Engineering, School of Technology, Pandit Deendayal Energy University (formerly Known As Pandit Deendayal Petroleum University), Raisan, Gandhinagar, IndiaDepartment of Engineering Science, University West, Trollhattan, 46186, SwedenDouble-pass friction stir processing (FSP) engendered intense plastic deformation in Mg–3Al–1Zn alloy with variation in the most influential process parameters, namely tool rotation speed and tool traverse speed. The effect of change in the FSP processing route on the resulting grain size was also analysed. Uniformly distributed fine equiaxed grains (average grain size ∼ 6.15 μm) were acquired in the stir-zone (SZ) due to extensive dynamic recrystallization (DRX). Attainment of large grain refinement encouraged for further investigation of the alloy's superplastic behaviour at elevated temperatures. Microstructural examination was followed by uniaxial tensile tests that were carried out at three distinct temperatures of 350, 400 and 450 °C at the constant strain rate of 1.3 × 10−3 s−1. With the rising deformation temperature, reduction in the flow stress led to significant increase in the tensile elongations of all the processed specimens. Micro-grain superplasticity (elongation >200% under tension) was observed at the highest deformation temperature for the friction stirred specimen with the finest grains.http://www.sciencedirect.com/science/article/pii/S2588840423000057MagnesiumFriction stir processingSuperplasticityGrain refinementMicrostructure |
| spellingShingle | Deepika Harwani Vishvesh Badheka Vivek Patel Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloy International Journal of Lightweight Materials and Manufacture Magnesium Friction stir processing Superplasticity Grain refinement Microstructure |
| title | Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloy |
| title_full | Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloy |
| title_fullStr | Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloy |
| title_full_unstemmed | Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloy |
| title_short | Investigation of superplastic behaviour in double-pass friction stir processed Mg–Al–Zn alloy |
| title_sort | investigation of superplastic behaviour in double pass friction stir processed mg al zn alloy |
| topic | Magnesium Friction stir processing Superplasticity Grain refinement Microstructure |
| url | http://www.sciencedirect.com/science/article/pii/S2588840423000057 |
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