Mechanical characterization of heat treated Al2219 hybrid composites
Aluminium alloy matrix composites with Al2O3 reinforcements exhibit superior mechanical properties and utilize in several demanding fields’ viz., automobile, aerospace, defense, sports equipment, electronics and bio-medical. The present work emphasizes on improvement of microstructure and mechanical...
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| Format: | Article |
| Language: | English |
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Universiti Malaysia Pahang Publishing
2019-03-01
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| Series: | Journal of Mechanical Engineering and Sciences |
| Subjects: | |
| Online Access: | https://journal.ump.edu.my/jmes/article/view/1826 |
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| author | Gowrishankar M. C. Sathyashankara Sharma B. K. Pavan Kamath Kiran Kumar Rajendra Pavan Hiremath Manjunath Shettar |
| author_facet | Gowrishankar M. C. Sathyashankara Sharma B. K. Pavan Kamath Kiran Kumar Rajendra Pavan Hiremath Manjunath Shettar |
| author_sort | Gowrishankar M. C. |
| collection | DOAJ |
| description | Aluminium alloy matrix composites with Al2O3 reinforcements exhibit superior mechanical properties and utilize in several demanding fields’ viz., automobile, aerospace, defense, sports equipment, electronics and bio-medical. The present work emphasizes on improvement of microstructure and mechanical properties of age hardened graphite and alumina reinforced Al alloy matrix hybrid composites. Different composites with a constant carbon content of 1 weight % and 0, 2, 4 and 6 weight % Al2O3 as reinforcements are fabricated by using stir casting technic and tested for hardness, tensile and impact strength. Scanning electron microscopy (SEM) is performed to analyse the failure mode under tensile load. All the composites are subjected to age hardening treatment with solutionising temperature of 530oC and aging temperatures of 100 and 200oC. The peak hardness of the composites at two aging temperatures are noted. Tensile and impact tests are conducted for the peak aged specimens. Results show substantial increase in the hardness of the age hardened specimens in the range of 34-44% in comparison with the as cast specimens. Result analysis shows increase in tensile strength (upto 40%) and decrease in impact resistance (upto 33%) with the increase in weight % of reinforcements. As the aging temperature increases a reduction in tensile strength and impact resistance is observed in each composites. |
| first_indexed | 2024-03-12T03:54:34Z |
| format | Article |
| id | doaj.art-3a867efe5be54a6a8f6bc3bf62084d9e |
| institution | Directory Open Access Journal |
| issn | 2289-4659 2231-8380 |
| language | English |
| last_indexed | 2024-03-12T03:54:34Z |
| publishDate | 2019-03-01 |
| publisher | Universiti Malaysia Pahang Publishing |
| record_format | Article |
| series | Journal of Mechanical Engineering and Sciences |
| spelling | doaj.art-3a867efe5be54a6a8f6bc3bf62084d9e2023-09-03T12:05:10ZengUniversiti Malaysia Pahang PublishingJournal of Mechanical Engineering and Sciences2289-46592231-83802019-03-011314380438910.15282/jmes.13.1.2019.03.0373Mechanical characterization of heat treated Al2219 hybrid compositesGowrishankar M. C.0Sathyashankara Sharma1B. K. Pavan2Kamath Kiran3Kumar Rajendra4Pavan Hiremath5Manjunath Shettar6Department of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaDepartment of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaDepartment of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaDepartment of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaDepartment of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaDepartment of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaDepartment of Mechanical and Manufacturing Engineering, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, Karnataka, IndiaAluminium alloy matrix composites with Al2O3 reinforcements exhibit superior mechanical properties and utilize in several demanding fields’ viz., automobile, aerospace, defense, sports equipment, electronics and bio-medical. The present work emphasizes on improvement of microstructure and mechanical properties of age hardened graphite and alumina reinforced Al alloy matrix hybrid composites. Different composites with a constant carbon content of 1 weight % and 0, 2, 4 and 6 weight % Al2O3 as reinforcements are fabricated by using stir casting technic and tested for hardness, tensile and impact strength. Scanning electron microscopy (SEM) is performed to analyse the failure mode under tensile load. All the composites are subjected to age hardening treatment with solutionising temperature of 530oC and aging temperatures of 100 and 200oC. The peak hardness of the composites at two aging temperatures are noted. Tensile and impact tests are conducted for the peak aged specimens. Results show substantial increase in the hardness of the age hardened specimens in the range of 34-44% in comparison with the as cast specimens. Result analysis shows increase in tensile strength (upto 40%) and decrease in impact resistance (upto 33%) with the increase in weight % of reinforcements. As the aging temperature increases a reduction in tensile strength and impact resistance is observed in each composites.https://journal.ump.edu.my/jmes/article/view/1826al 2219aluminastir castingage hardeningtensile strengthimpact strengthsem |
| spellingShingle | Gowrishankar M. C. Sathyashankara Sharma B. K. Pavan Kamath Kiran Kumar Rajendra Pavan Hiremath Manjunath Shettar Mechanical characterization of heat treated Al2219 hybrid composites Journal of Mechanical Engineering and Sciences al 2219 alumina stir casting age hardening tensile strength impact strength sem |
| title | Mechanical characterization of heat treated Al2219 hybrid composites |
| title_full | Mechanical characterization of heat treated Al2219 hybrid composites |
| title_fullStr | Mechanical characterization of heat treated Al2219 hybrid composites |
| title_full_unstemmed | Mechanical characterization of heat treated Al2219 hybrid composites |
| title_short | Mechanical characterization of heat treated Al2219 hybrid composites |
| title_sort | mechanical characterization of heat treated al2219 hybrid composites |
| topic | al 2219 alumina stir casting age hardening tensile strength impact strength sem |
| url | https://journal.ump.edu.my/jmes/article/view/1826 |
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