Multiple choice

The operation in which oil is permeated into the pores of a powder metallurgy product is known as

  1. Mixing

  2. Sintering

  3. Impregnation

  4. Infiltration

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

If the pore in a sintered compact are filled with an oil, the operation is called as impregnation. The lubricants are added to the porous bearings, gears and pump rotors etc.