A common question about laser eye surgery is simply, âHow much is LASIK?â The best answer is this: There is no single answer. The cost of LASIK varies widely from the incredible $299 per eye on TV commercials to the equally incredible $5,000 per eye.
A alloy is a mixture or solid solution of two metals or a metal and a non metal. Mixtures of metals, any metals typically when one or more are molten.
The atoms of other alloying elements can act in a similarmanner. Even though their solubility in-aluminum solid solutionis very small, trace quantities of alloying elements can change themechanical properties of aluminum-silicon alloy to an importantdegree (Fig. 1.7) (Ref 1, 3, 10, 11).