Mechanical strength properties measured by tensile tests increased in the first ECAP pass, and then progressively diminished due to the presence of concurrent softening phenomena. Calorimetric analysis indicated a slightly increase in the recrystallization temperature of the deformed specimens. Also, the ...
AA6082 in the T6 condition is known to contain strengthening precipitates that contribute to its mechanical properties. The primary strengthening precipitate is β″-Mg5Si6, which remains stable at temperatures below 200 °C. However, the FSP process leads to the dissolution (and/or coarsening) ...
AA-6082 T6Concave shoulder tapered threaded pin toolFriction stir welding (FSW) is a solid state joining process; it is a new technique with no melting of work piece during welding. The temperature approaches but remain below the solidus temperature; hence the welds have superior properties ...
The smaller scatter in fatigue lives of the friction stir welds in AA6082-T6 represents a design advantage for AA6082-T6 as compared to AA6061-T6. 展开 关键词: Tensile properties Fatigue strength Fatigue life Friction stir welding Aluminium alloys Butt joint Stress-life curves Surface galling ...
Mechanical propertiesFine ceramic compositeAl2O3-nanoparticlesIn this present investigation, AA6082-T6 thin aluminium alloy plates of 2 mm thickness were friction stir welded using fine ceramic Al2O3 nanoparticles as the reinforcing materials between the adjoining plates. The joining was done by ...
To this end, thin sheets made of heat-treatable aluminum alloy AA6082-T6 were joined by mechanical clinching using extensible dies. The joining force, clinching tools and pre-heating conditions were varied. The influence of process conditions on material flow and mechanical behavior of clinched ...
The purpose of this paper is to determine the fatigue strength of friction stir welds in AA6082‐T6 under constant and variable amplitude loading and analyse the validity of Miner's rule for these specific welding conditions. Design/methodology/approach – Fatigue tests were carried out in a ...
However, it is expected that the solid phase plastic deformation of the BFSW process fragments the grains to ultrafine and changes the T6 microstructural properties. Published research on microscopic studies of friction stir welded alloys suggests that a form of grain refinement can happen during the...
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In order to analyse the influence of the base materials properties on weld strength, the positioning of the alloys relatively to the tool shoulder was alternated, i.e., welds were performed by placing alternately the AA 6082-T6 and the AA 5754-H22 aluminium alloys at the top of the lap ...