Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure Aluminum
During plastic deformation, the change of structural states is known to be complicated and indeterminate, even in single crystals. This contributes to some enduring problems like the prediction of deformed texture and the commercial applications of such material. In this work, plane strain compressi...
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| Format: | Article |
| Language: | English |
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MDPI AG
2021-07-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/11/8/1189 |
| _version_ | 1797522914712485888 |
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| author | Yingjue Xiong Qinmeng Luan Kailun Zheng Wei Wang Jun Jiang |
| author_facet | Yingjue Xiong Qinmeng Luan Kailun Zheng Wei Wang Jun Jiang |
| author_sort | Yingjue Xiong |
| collection | DOAJ |
| description | During plastic deformation, the change of structural states is known to be complicated and indeterminate, even in single crystals. This contributes to some enduring problems like the prediction of deformed texture and the commercial applications of such material. In this work, plane strain compression (PSC) tests were designed and implemented on single crystal pure aluminum to reveal the deformation mechanism. PSC tests were performed at different strain rates under strain control in either one-directional or two-directional compression. The deformed microstructures were analyzed according to the flow curve and the electron back-scattered diffraction (EBSD) mappings. The effects of grain orientation, strain rate, and strain path on the deformation and mechanical response were analyzed. Experimental results revealed that the degree of lattice rotation of one-dimensional compression mildly dependents on cube orientation, but it is profoundly sensitive to the strain rate. For two-dimensional compression, the softening behavior is found to be more pronounced in the case that provides greater dislocations gliding freeness in the first loading. Results presented in this work give new insights into aluminum deformation, which provides theoretical support for forming and manufacturing of aluminum. |
| first_indexed | 2024-03-10T08:36:05Z |
| format | Article |
| id | doaj.art-52c1e9676ec44b3cbd8422c3e73557de |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T08:36:05Z |
| publishDate | 2021-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-52c1e9676ec44b3cbd8422c3e73557de2023-11-22T08:40:46ZengMDPI AGMetals2075-47012021-07-01118118910.3390/met11081189Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure AluminumYingjue Xiong0Qinmeng Luan1Kailun Zheng2Wei Wang3Jun Jiang4Department of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKDepartment of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKSchool of Mechanical Engineering, Dalian University of Technology, Dalian 116024, ChinaDepartment of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKDepartment of Mechanical Engineering, Imperial College London, London SW7 2AZ, UKDuring plastic deformation, the change of structural states is known to be complicated and indeterminate, even in single crystals. This contributes to some enduring problems like the prediction of deformed texture and the commercial applications of such material. In this work, plane strain compression (PSC) tests were designed and implemented on single crystal pure aluminum to reveal the deformation mechanism. PSC tests were performed at different strain rates under strain control in either one-directional or two-directional compression. The deformed microstructures were analyzed according to the flow curve and the electron back-scattered diffraction (EBSD) mappings. The effects of grain orientation, strain rate, and strain path on the deformation and mechanical response were analyzed. Experimental results revealed that the degree of lattice rotation of one-dimensional compression mildly dependents on cube orientation, but it is profoundly sensitive to the strain rate. For two-dimensional compression, the softening behavior is found to be more pronounced in the case that provides greater dislocations gliding freeness in the first loading. Results presented in this work give new insights into aluminum deformation, which provides theoretical support for forming and manufacturing of aluminum.https://www.mdpi.com/2075-4701/11/8/1189single crystal aluminumplane strain compressionstrain pathdeformation bandslattice rotation |
| spellingShingle | Yingjue Xiong Qinmeng Luan Kailun Zheng Wei Wang Jun Jiang Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure Aluminum Metals single crystal aluminum plane strain compression strain path deformation bands lattice rotation |
| title | Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure Aluminum |
| title_full | Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure Aluminum |
| title_fullStr | Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure Aluminum |
| title_full_unstemmed | Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure Aluminum |
| title_short | Understanding the Strain Path Effect on the Deformed Microstructure of Single Crystal Pure Aluminum |
| title_sort | understanding the strain path effect on the deformed microstructure of single crystal pure aluminum |
| topic | single crystal aluminum plane strain compression strain path deformation bands lattice rotation |
| url | https://www.mdpi.com/2075-4701/11/8/1189 |
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