GRAIN REFINEMENT OF COMMERCIAL PURE ALUMINIUM BY ZIRCONIUM

Magnificent Grain Refinement of Al-Mg2Si Composite by Hot Rolling

The effect of chemical composition and the hot rolling operations on the microstructure and mechanical properties of in situ aluminum matrix composite with Mg2Si phase as the reinforcement was studied. It was revealed that the modification by phosphorous results in the rounder (more spherical) primary and secondary (eutectic) magnesium silicide intermetallics. During hot rolling, the primary pa...

Influence of Zirconium on the Grain Refinement of Al 6063 alloy

The influence of zirconium on the grain refinement of Al 6063 alloy has been experimentally investigated. The microstructure and macrostructure of the refined alloy were investigated. The experimental results reveal that, the coarse dendrites in the microstructure of the alloy are effectively refined with the addition of zirconium to the melt prior to solidification. Grains of Al 6063 alloy can...

Partially Hydrolysed Aluminium and Zirconium Oxochlorides

Partially hydrolysed aluminium oxochlorides (ACH) and aluminium-zirconium-glycine oxochlorides (AZG) have been encapsulated using lipophilic carboxylic acids from H,O-silicone solvent systems. The encapsulated materials (E-materials) precipitate out of solution in the form of spherical beads. Their particle size varies with agitation conditions. Distributions from a few tenths to a few hundreds...

STUDY ON CORROSION PROPERTIES OF PLASMA NITRIDED PURE ALUMINIUM

Abstract: In this research plasma nitriding of pure aluminium and effect of iron elemental alloy on the formation and growth of aluminium nitride was investigated. Also corrosion properties of formed AlN were investigated. After preparation, the samples were plasma nitrided at 550oC, for 6, 9 and 12 h and a gas mixture of 25%H2-75%N2. The microstructure and phases analysis were investigated usi...

Evaluation of Corrosion Property of Aluminium-Zirconium Dioxide (AlZrO2) Nanocomposites