Influence of zinc on intermetallic compounds formed in friction stir welding of AA5754 aluminium alloy to galvanised ultra-high strength steel
| Autor: | Wallop Ratanathavorn, Arne Melander |
|---|---|
| Rok vydání: | 2017 |
| Předmět: |
010302 applied physics
Materials science Metallurgy Intermetallic chemistry.chemical_element 02 engineering and technology Zinc 021001 nanoscience & nanotechnology Condensed Matter Physics 01 natural sciences Galvanization symbols.namesake Lap joint chemistry Aluminium visual_art 0103 physical sciences symbols Aluminium alloy visual_art.visual_art_medium Friction stir welding General Materials Science Composite material 0210 nano-technology Joint (geology) |
| Zdroj: | Science and Technology of Welding and Joining. 22:673-680 |
| ISSN: | 1743-2936 1362-1718 |
| DOI: | 10.1080/13621718.2017.1302553 |
| Popis: | In this study, lap joints between AA5754 and DP1000 ultra-high strength steels were produced by friction stir welding. In order to investigate the roles of zinc on intermetallic phase formation and joint properties, steel substrates were used, two being galvanised coated and one uncoated. Joint performance has been evaluated in term of maximum tensile shear loading. The effects of the process parameter, translational speed; chemical compositions; and intermetallic phase formation on the mechanical properties have been investigated. The results show that joints with a galvanised layer exhibit higher strength as compared to the non-coated steel. A thicker galvanised layer promotes the presence of zinc in the aluminium matrix, resulting in better joint properties. The level of zinc contents in the aluminium matrix depends on process temperature and material circulation characteristics. Two stable Al-rich intermetallic phases, Al5Fe2 and Al13Fe4, were detected at the interface regardless of the coatin... |
| Databáze: | OpenAIRE |
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