The Effect of RE on the Microstructure and Properties of Weld of 7075 Aluminum Alloy
In this paper 7075 aluminum alloy is studied as the object, through adding different percentages of the rare earth elements expecting to optimize alloy formula and find the optimal dosage of rare earth in order to improve the microstructure and properties of weld. The results show that when the rare...
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| Veröffentlicht in: | Applied Mechanics and Materials 2013-10, Vol.456 (Research in Mechanical Engineering and Material Science), p.521-524 |
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| container_issue | Research in Mechanical Engineering and Material Science |
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| creator | Huang, Xu Ren Wei, Hua Kai Li, Lian Jie |
| description | In this paper 7075 aluminum alloy is studied as the object, through adding different percentages of the rare earth elements expecting to optimize alloy formula and find the optimal dosage of rare earth in order to improve the microstructure and properties of weld. The results show that when the rare earth content reaches 0.3%, alloys tensile strength comes to 388.39 MPa, and extensibility 18.22%. Compared with the control group, tensile strength is increased about 8.4%, extensibility about 14.7%, and the integrative mechanical performance is optimal. Metallographic research shows that accession of rare earth elements have perfect refinement effect to the microstructure of 7075 aluminum alloy and can improve the quality of weld. |
| doi_str_mv | 10.4028/www.scientific.net/AMM.456.521 |
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| source | Scientific.net Journals |
| subjects | Alloying additive Alloying elements Aluminum base alloys Microstructure Optimization Rare earth metals Tensile strength Welded joints |
| title | The Effect of RE on the Microstructure and Properties of Weld of 7075 Aluminum Alloy |
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