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Influence of tool shoulder geometry on properties of friction stir welds in thi...
Galvão, I.; Leal, R. M.; Rodrigues, D. M.; Loureiro, A.The aim of this work is to study the influence of the shoulder geometry on friction stir welding of 1 mm-thick copper-DHP plates. The welds were produced using three different shoulder geometries, flat, conical and scrolled, and varying the rotation and traverse speeds of the tool. The flat shoulder tool proved to be inadequate for performing welds, because many defects were produced for all welding conditions....
Mechanical behaviour of similar and dissimilar AA5182-H111 and AA6016-T4 thin f...
Leitão, C.; Leal, R. M.; Rodrigues, D. M.; Loureiro, A.; Vilaça, P.The tensile behaviour of similar and dissimilar friction stir welds in 1Â mm thick sheets of two aluminium alloys (AA5182-H111 and AA6016-T4) is analysed in this paper. The heterogeneity in properties across the welds was studied by performing microhardness tests and microstructural analysis. The tensile tests were performed in samples extracted longitudinal and transverse to the weld direction. It was found th...
Material flow in heterogeneous friction stir welding of thin aluminium sheets: ...
Leal, R. M.; Leitão, C.; Loureiro, A.; Rodrigues, D. M.; Vilaça, P.http://www.sciencedirect.com/science/article/B6TXD-4T8HHG4-4/2/0b8e12809caaa618052d7b27494c16ac
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