An Al 2 5 Cu alloy is solution treated, quenched, and over aged at 230 C to produce a stable microstructure If the precipitates as spheres with a diameter of 9000 and a density of 4 26 g cm3, determine the number of precipitate particles per cm3 (See Figure 12 5)

Question: An Al-2.5% Cu alloy is solution-treated, quenched, and over aged at 230 C to produce a stable microstructure. If the precipitates as spheres with

An Al-2.5% Cu alloy is solution-treated, quenched, and over aged at 230 ˚C to produce a stable microstructure. If the θ precipitates as spheres with a diameter of 9000 Å and a density of 4.26 g/cm3, determine the number of precipitate particles per cm3. (See Figure 12-5)

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