Powder metallurgy is
A) refining of metal ores using reduction reactions.
B) refining of metal ores using cold.
C) forming metal parts using electricity.
D) refining of metal ores using reactions with basic solutions.
E) forming metal parts using heat and small crystals of metal.

Question

Quizplus · Accepted Answer

Powder metallurgy involves forming metal parts by compacting fine metal powders in a die and then heating (sintering) them to bond the particles together. This process uses heat and small crystals of metal, aligning with option E.

Powder Metallurgy Is