题目内容

Which of the following mechanical method for making powder is not based on the shearing and collision between the mediums to minimize the particle size of the powders. ()

A. Ball mill
B. Jet mill
C. Vibratory milling
D. Attrition milling

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Which of the following procedure can be used to produce ceramic thick film by using electrical force to enable the particle moving in slurry. ( )

A. Dip coating
B. Spin coating
C. Electrophoretic deposition
D. Electrodeposition
E. Screen printing

Following procedure are melt technique for producing single crystal. The question is in which one the melt might be contaminated by the crucible. ( )

A. Verneuil(Flame fusion)
B. Float zone(FZ)
Czochralski
D. Skull Melting

For fabrication of fiber reinforced composite, in which one weak interface is desired to ensure the composite possess high toughness.( )

A. Carbon fiber reinforced titanium.
B. Carbon fiber reinforced carbon composite.
C. Glass fiber reinforced polymer.

Because of the delocalized electrons in metals, metals possess high thermal and electrical conductivity. Whilst no delocalized electron in ceramics, ceramics, hence, are all insulators to heat and electricity. ____?

A. True
B. False

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