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) ...
Babu. G.R., Murti,K.G.K., and Janardhana.G.R., " An Experimental Study on the Effect of Welding Parameters on Mechanical and Microstructural Properties of AA 6082-T6 Friction Stir Welded Butt Joints",ARPN Journal of Engineering and Applied Sciences, Vol. 3, No. 5, October 2008, pp....
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 ...
T6ConcaveshouldertaperedFriction 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 compared to fusion weld. A ...
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 ...
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 ...
Patel VV, Sejani DJ, Patel NJ, Vora JJ, Gadhvi BJ, Padodara NR, et al. Effect of Tool Rotation Speed on Friction Stir Spot Welded AA5052-H32 and AA6082-T6 Dissimilar Aluminum Alloys. Metallography, Microstructure, and Analysis 2016:1-7....
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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