Al-Cu Alloy Precipitation Sequence (GP Zone, θ Phases) | GATE 2020 Metallurgy Q25

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Metallurgical Engineering > GATE 2020 > Precipitation Hardening

The sequence of precipitation during aging of Al-4 wt.% Cu alloy is:

A

GP zone → θ″ → θ′ → θ

B

GP zone → θ → θ′ → θ″

C

GP zone → θ′ → θ″ → θ

D

θ″ → θ′ → GP zone → θ

Correct : a

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Related Topics

aluminum copper alloy precipitation aging GATE Metallurgical Engineering 2020 metallurgical engineering gate precipitation sequence Al-4 wt% Cu GP zone θ′ θ″ θ metallurgy alloy aging precipitation sequence Al4Cu alloy precipitation GATE

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