The residual strain profiles were measured through the thickness of friction-stir welded (FSW) plates using neutron diffraction to study the relationship between the angular distortion and the residual strain distribution. Three different weld specimens were prepared from a 6061-T6 aluminum alloy with the purpose of separating the effects of the frictional heat and plastic deformation on the re...

The purpose of this study is to understand the electrochemical corrosion behavior of 1wt% Cu content Al-6Si-0.5Mg alloy in 0.1M NaCl solution. The potentiodynamic polarization curves reveal that 1wt% Cu content alloy is less prone to corrosion than the Cu free alloy. The EIS test results show that corrosion resistance or polarization resistance (Rct) increases with the addition of 1wt% Cu to Al...

Fe-Cr-Al alloy nanopowders were successfully prepared by electrical wire explosion method in ethyl alcohol media. The formation of FeCr-Al alloy nanopowder was monitored by X-ray diffraction. The alloy powders have spherical shape and nanometer size. The alloy powders prepared by the electrical wire explosion method have main crystal structures of bcc Fe-Cr alloy. The geometric mean diameter an...

The deposition of new alloy to replace a worn or damaged surface layer is common strategy for repairing remanufacturing structural components. For high-performance aluminum alloys in the automotive, aerospace, and defense industries, however, traditional fusion-based methods can lead solidification cracking, void formation, loss strength heat-affected zone. Solid-state methods, such as additive...

Abstract Plasma electrolytic oxidation treatment of 6061 Al alloy was carried out in a sodium silicate and hydroxide alkaline electrolyte containing different concentrations cerium nitrate (Ce (NO 3 ) under constant current mode. The effects Ce concentration on the roughness, cross section surface morphology, composition phase composition, adhesion force corrosion resistance prepared layer were...

During the service process of an aluminum alloy structure, its complex deformation zone experiences repeated loading problems such as tension, compression, bending and reverse bending. At same time, cyclic heat treatment also have a certain impact on mechanical properties extruded tubes. Therefore, study parameters has important engineering practical value for extrusion tubes under conditions. ...

In this work, quasi in-situ electron backscatter diffraction (EBSD) was applied to study an early stage of the abnormal grain growth occurring in friction-stir welded 6061 aluminium alloy during post-weld solution heat treatment. It found that catastrophic completed heating annealing treatment, and further static storage at solutionsizing temperature provided almost no microstructural changes.

The thermal expansion behaviour of silicon carbide (SCS-2) fibre reinforced 6061 aluminium matrix composite subjected to the influenced thermal mechanical cycling (TMC) process were investigated. The thermal stress has important effect on the longitudinal thermal expansion coefficient of the composites. The present paper used experimental data of the thermal expansion behaviour of a SiC/Al comp...