Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique
Abstract Ti10Fe5Si5Cr3Nb composite coatings were fabricated using laser cladding technique. Laser power was varied from 800W to 1200W while the scanning speed was kept constant at 1.5 m/min. The microstructural analysis of the samples was conducted by using optical microscope, X-ray diffractometer a...
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| Format: | Article |
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Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)
2021-09-01
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| Series: | Materials Research |
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| Online Access: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000500228&tlng=en |
| _version_ | 1819284312486313984 |
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| author | N. Malatji A.P.I. Popoola S. Pityana T. Lengopeng |
| author_facet | N. Malatji A.P.I. Popoola S. Pityana T. Lengopeng |
| author_sort | N. Malatji |
| collection | DOAJ |
| description | Abstract Ti10Fe5Si5Cr3Nb composite coatings were fabricated using laser cladding technique. Laser power was varied from 800W to 1200W while the scanning speed was kept constant at 1.5 m/min. The microstructural analysis of the samples was conducted by using optical microscope, X-ray diffractometer and scanning electron microscope coupled with energy dispersive spectroscopy. Potentiodynamic polarization and diamond indenter were used to study the corrosion and microhardness properties of the alloy. The alloy exhibited a dendritic microstructure with Si-rich dispersed phase. Grain coarsening was observed to be dependent on coating depth. The microhardness was high at the top and decreased with coating depth. No improvement in corrosion resistance was noticed but the presence of Cr in the alloy promoted passivation. |
| first_indexed | 2024-12-24T01:45:23Z |
| format | Article |
| id | doaj.art-95dccc30e12345798b7871afc4bf89b7 |
| institution | Directory Open Access Journal |
| issn | 1516-1439 |
| language | English |
| last_indexed | 2024-12-24T01:45:23Z |
| publishDate | 2021-09-01 |
| publisher | Associação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol) |
| record_format | Article |
| series | Materials Research |
| spelling | doaj.art-95dccc30e12345798b7871afc4bf89b72022-12-21T17:21:52ZengAssociação Brasileira de Metalurgia e Materiais (ABM); Associação Brasileira de Cerâmica (ABC); Associação Brasileira de Polímeros (ABPol)Materials Research1516-14392021-09-0124510.1590/1980-5373-mr-2021-0080Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding TechniqueN. Malatjihttps://orcid.org/0000-0001-9788-5332A.P.I. PopoolaS. PityanaT. LengopengAbstract Ti10Fe5Si5Cr3Nb composite coatings were fabricated using laser cladding technique. Laser power was varied from 800W to 1200W while the scanning speed was kept constant at 1.5 m/min. The microstructural analysis of the samples was conducted by using optical microscope, X-ray diffractometer and scanning electron microscope coupled with energy dispersive spectroscopy. Potentiodynamic polarization and diamond indenter were used to study the corrosion and microhardness properties of the alloy. The alloy exhibited a dendritic microstructure with Si-rich dispersed phase. Grain coarsening was observed to be dependent on coating depth. The microhardness was high at the top and decreased with coating depth. No improvement in corrosion resistance was noticed but the presence of Cr in the alloy promoted passivation.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000500228&tlng=enLaser metal depositionsubstrate heatingcomposite coatingmicrostructuremicrohardness |
| spellingShingle | N. Malatji A.P.I. Popoola S. Pityana T. Lengopeng Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique Materials Research Laser metal deposition substrate heating composite coating microstructure microhardness |
| title | Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique |
| title_full | Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique |
| title_fullStr | Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique |
| title_full_unstemmed | Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique |
| title_short | Fabrication of Ti10Fe5Si5Cr3Nb Composite Coatings on Ti-6Al-4V Alloy using Laser Cladding Technique |
| title_sort | fabrication of ti10fe5si5cr3nb composite coatings on ti 6al 4v alloy using laser cladding technique |
| topic | Laser metal deposition substrate heating composite coating microstructure microhardness |
| url | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392021000500228&tlng=en |
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