Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloys
This experimental study investigates the impact of boron carbide (B _4 C) and Niobium (Nb) reinforcement particles on the microstructural, mechanical and surface properties of Al-8090 base alloy. The inclusion of B _4 C and Nb particles significantly refines the structure which enhances the properti...
Saved in:
| Main Authors: | , , , , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2024-01-01
|
| Series: | Materials Research Express |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/2053-1591/ad94d5 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1850065920821559296 |
|---|---|
| author | Shanthi Raju Meenuga Anil Kumar Birru Kumara Swamy Pulisheru K Ch Apparao Bommidi Sridatha Gadudasu Babu Rao Praveen Kumar Bannaravuri |
| author_facet | Shanthi Raju Meenuga Anil Kumar Birru Kumara Swamy Pulisheru K Ch Apparao Bommidi Sridatha Gadudasu Babu Rao Praveen Kumar Bannaravuri |
| author_sort | Shanthi Raju Meenuga |
| collection | DOAJ |
| description | This experimental study investigates the impact of boron carbide (B _4 C) and Niobium (Nb) reinforcement particles on the microstructural, mechanical and surface properties of Al-8090 base alloy. The inclusion of B _4 C and Nb particles significantly refines the structure which enhances the properties via nucleation and dispersion strengthening effects. Optical microstructures and Scanning Electron Microscopy images show that an increase in reinforcement percentages precedes finer grains and uniform particle distribution. Energy Dispersive x-ray Spectroscopy analysis highlights a predominant aluminium (Al) peak in the Al-8B _4 C-5 Nb sample and Nb and Fe minor peaks indicate potential diffusion interaction. Mechanical tests reveal substantial improvements in hardness, tensile strength, and density of the Al-7B _4 C-3 Nb sample obtained the highest values. However, increasing reinforcement content causes agglomeration which declines the hardness and increases porosity. The wear test demonstrates that the reinforced composites perform superior properties, with B _4 C providing surface layer protection and Nb refining the grain structure. Corrosion analysis reveals that inclusion reinforcements act as initiation sites for intergranular and localized corrosion due to the galvanic interaction effect. These findings recommend that an optimized reinforcement content in Al-8090 base alloy yields better mechanical performance and wear resistance for high-strength applications. |
| format | Article |
| id | doaj-art-eabcd0e0df0b4481a3dabe6d28e53e50 |
| institution | DOAJ |
| issn | 2053-1591 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | Materials Research Express |
| spelling | doaj-art-eabcd0e0df0b4481a3dabe6d28e53e502025-08-20T02:48:53ZengIOP PublishingMaterials Research Express2053-15912024-01-01111111652410.1088/2053-1591/ad94d5Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloysShanthi Raju Meenuga0https://orcid.org/0000-0003-0262-5103Anil Kumar Birru1https://orcid.org/0000-0002-7118-5933Kumara Swamy Pulisheru2https://orcid.org/0000-0001-8324-1501K Ch Apparao3https://orcid.org/0000-0002-5858-3865Bommidi Sridatha4https://orcid.org/0009-0009-8653-9595Gadudasu Babu Rao5https://orcid.org/0000-0002-0161-6515Praveen Kumar Bannaravuri6https://orcid.org/0000-0002-4740-194XDepartment of Mechanical Engineering, National Institute of Technology Manipur , Imphal-795004, IndiaDepartment of Mechanical Engineering, National Institute of Technology Manipur , Imphal-795004, IndiaDepartment of Mechanical Engineering, GEMS Polytechnic College , Aurangabad, Bihar-824121, IndiaDepartment of Mechanical Engineering, Institute of Aeronautical Engineering , Hyderabad-500043, IndiaDepartment of Mechanical Engineering, Karunya Institute of Technology and Sciences , Coimbatore-641114, IndiaDepartment of Mechanical Engineering, Karunya Institute of Technology and Sciences , Coimbatore-641114, IndiaDepartment of Mechanical Engineering, Karunya Institute of Technology and Sciences , Coimbatore-641114, IndiaThis experimental study investigates the impact of boron carbide (B _4 C) and Niobium (Nb) reinforcement particles on the microstructural, mechanical and surface properties of Al-8090 base alloy. The inclusion of B _4 C and Nb particles significantly refines the structure which enhances the properties via nucleation and dispersion strengthening effects. Optical microstructures and Scanning Electron Microscopy images show that an increase in reinforcement percentages precedes finer grains and uniform particle distribution. Energy Dispersive x-ray Spectroscopy analysis highlights a predominant aluminium (Al) peak in the Al-8B _4 C-5 Nb sample and Nb and Fe minor peaks indicate potential diffusion interaction. Mechanical tests reveal substantial improvements in hardness, tensile strength, and density of the Al-7B _4 C-3 Nb sample obtained the highest values. However, increasing reinforcement content causes agglomeration which declines the hardness and increases porosity. The wear test demonstrates that the reinforced composites perform superior properties, with B _4 C providing surface layer protection and Nb refining the grain structure. Corrosion analysis reveals that inclusion reinforcements act as initiation sites for intergranular and localized corrosion due to the galvanic interaction effect. These findings recommend that an optimized reinforcement content in Al-8090 base alloy yields better mechanical performance and wear resistance for high-strength applications.https://doi.org/10.1088/2053-1591/ad94d5Al-8090 alloyB4C and Nb reinforcementsstir castingmicrostructuremechanical properties |
| spellingShingle | Shanthi Raju Meenuga Anil Kumar Birru Kumara Swamy Pulisheru K Ch Apparao Bommidi Sridatha Gadudasu Babu Rao Praveen Kumar Bannaravuri Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloys Materials Research Express Al-8090 alloy B4C and Nb reinforcements stir casting microstructure mechanical properties |
| title | Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloys |
| title_full | Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloys |
| title_fullStr | Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloys |
| title_full_unstemmed | Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloys |
| title_short | Synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of Al-8090 alloys |
| title_sort | synergistic effects of boron carbide and niobium reinforcements on the mechanical performance of al 8090 alloys |
| topic | Al-8090 alloy B4C and Nb reinforcements stir casting microstructure mechanical properties |
| url | https://doi.org/10.1088/2053-1591/ad94d5 |
| work_keys_str_mv | AT shanthirajumeenuga synergisticeffectsofboroncarbideandniobiumreinforcementsonthemechanicalperformanceofal8090alloys AT anilkumarbirru synergisticeffectsofboroncarbideandniobiumreinforcementsonthemechanicalperformanceofal8090alloys AT kumaraswamypulisheru synergisticeffectsofboroncarbideandniobiumreinforcementsonthemechanicalperformanceofal8090alloys AT kchapparao synergisticeffectsofboroncarbideandniobiumreinforcementsonthemechanicalperformanceofal8090alloys AT bommidisridatha synergisticeffectsofboroncarbideandniobiumreinforcementsonthemechanicalperformanceofal8090alloys AT gadudasubaburao synergisticeffectsofboroncarbideandniobiumreinforcementsonthemechanicalperformanceofal8090alloys AT praveenkumarbannaravuri synergisticeffectsofboroncarbideandniobiumreinforcementsonthemechanicalperformanceofal8090alloys |