In the powde metallurgy processing, the objective of pressing before sintering is to
A. squeeze out the moisture around the powder particles
B. further refine the grain size
C. break up the oxides around the particles
D. compacting the powder particles into mechanical and atomic closeness
Answer: Option D
Related Questions on Introduction to Metallurgy
Which of the following are not commercially manufactured by powder metallurgy
A. Aircraft brake pads
B. Self-lubricating bearings
C. Tungsten carbide based cutting tools
D. Turbine blades
A. 10 degrees
B. 21 degrees
C. 30 degrees
D. 50 degrees
Which crystal system does not have all axial angles at 90 degrees?
A. Tetragonal
B. rhombohedral
C. orthorhombic
D. cubic
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