The electrical conductivity of aluminum can be dramatically improved by the addition of tightly controlled amounts of boron to eliminate the undesirable effects of chromium, titanium, vanadium, and zirconium for makin
AMG Superalloys UK is a major manufacturer of various grades metal chromium, including very high purity, very low gas content chromium metal for superalloy components,including turbine blades for the aerospace industry.
The modification provided by strontium tends to survive repeated remelting so that strontium is commonly referred to as a “permanent” modifier. In master alloy form, strontium is the preferred choice in foundries for recovery, safety, storage, and handling
The addition of a titanium boron aluminum grain refiner improves homogeneity and allows for a uniform distribution of alloying elements, reduces porosity