Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints
Welding of aluminum alloys by traditional welding methods creates some defects such as hot cracks, porosity, and void that led to decreasing of mechanical properties. Friction Stir Welding (FSW) gives good mechanical properties of aluminum alloy welds. In this paper, FSW worked in 4 mm thick plate o...
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| Format: | Article |
| Language: | English |
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Tikrit University
2019-12-01
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| Series: | Tikrit Journal of Engineering Sciences |
| Subjects: | |
| Online Access: | http://tj-es.com/vol25no4pa9/ |
| _version_ | 1827841045785739264 |
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| author | Najeeb S. Abtan Ataalah Hussain Jassim Mustafa S. M. Al-Janabi |
| author_facet | Najeeb S. Abtan Ataalah Hussain Jassim Mustafa S. M. Al-Janabi |
| author_sort | Najeeb S. Abtan |
| collection | DOAJ |
| description | Welding of aluminum alloys by traditional welding methods creates some defects such as hot cracks, porosity, and void that led to decreasing of mechanical properties. Friction Stir Welding (FSW) gives good mechanical properties of aluminum alloy welds. In this paper, FSW worked in 4 mm thick plate of 6061-T4 aluminum alloy, with two welding parameters are used (tool rotational speed and feed rate) was investigated, were analyzed the microstructure and mechanical properties by carried out microstructural, micro-hardness, and tensile strength tests. From results are found defect-free of welds at a wide range of parameters. Stir zone shows a fine-equiaxed grain and high hardness, not significantly change between heat affected zone and base metal in size grain. Tensile strength of welds was lower than base metal and fracture location was occurred at a low hardness region for the welds. |
| first_indexed | 2024-03-12T07:45:46Z |
| format | Article |
| id | doaj.art-66612878afc640aebaaba15484ecbd4f |
| institution | Directory Open Access Journal |
| issn | 1813-162X 1813-162X |
| language | English |
| last_indexed | 2024-03-12T07:45:46Z |
| publishDate | 2019-12-01 |
| publisher | Tikrit University |
| record_format | Article |
| series | Tikrit Journal of Engineering Sciences |
| spelling | doaj.art-66612878afc640aebaaba15484ecbd4f2023-09-02T20:58:25ZengTikrit UniversityTikrit Journal of Engineering Sciences1813-162X1813-162X2019-12-01254515610.25130/tjes.25.4.09Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 JointsNajeeb S. Abtan0Ataalah Hussain Jassim1Mustafa S. M. Al-Janabi2Department of Mechanical Engineering, College of Engineering, Tikrit University, Tikrit, IraqDepartment of Mechanical Engineering, College of Engineering, Tikrit University, Tikrit, IraqDepartment of Mechanical Engineering, College of Engineering, Tikrit University, Tikrit, IraqWelding of aluminum alloys by traditional welding methods creates some defects such as hot cracks, porosity, and void that led to decreasing of mechanical properties. Friction Stir Welding (FSW) gives good mechanical properties of aluminum alloy welds. In this paper, FSW worked in 4 mm thick plate of 6061-T4 aluminum alloy, with two welding parameters are used (tool rotational speed and feed rate) was investigated, were analyzed the microstructure and mechanical properties by carried out microstructural, micro-hardness, and tensile strength tests. From results are found defect-free of welds at a wide range of parameters. Stir zone shows a fine-equiaxed grain and high hardness, not significantly change between heat affected zone and base metal in size grain. Tensile strength of welds was lower than base metal and fracture location was occurred at a low hardness region for the welds.http://tj-es.com/vol25no4pa9/Friction stir weldingAA6061-T4tool rotational speedfeed ratealuminum alloy |
| spellingShingle | Najeeb S. Abtan Ataalah Hussain Jassim Mustafa S. M. Al-Janabi Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints Tikrit Journal of Engineering Sciences Friction stir welding AA6061-T4 tool rotational speed feed rate aluminum alloy |
| title | Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints |
| title_full | Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints |
| title_fullStr | Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints |
| title_full_unstemmed | Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints |
| title_short | Tensile Strength, Micro-hardness and Microstructure of Friction-Stir-Welding AA6061-T4 Joints |
| title_sort | tensile strength micro hardness and microstructure of friction stir welding aa6061 t4 joints |
| topic | Friction stir welding AA6061-T4 tool rotational speed feed rate aluminum alloy |
| url | http://tj-es.com/vol25no4pa9/ |
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