Finishing Operations In Manufacturing
Sizing:
Repressing the sintered component in a die to meet required tolerances.
Coining:
Repressing the sintered component in a die to increase the density and to give additional strength.
Infiltration:
Filling the pores of sintered product with molten metal to improve the physical properties.
Impregnation:
Filling of Oil, Grease or other Lubricants in a Sintered components such as Porous Heating
Machining:
Removing excess material by using cutting tool to imparts specific features such as Threads, Grooves, Undercuts etc, which are not practicable in powder metallurgy process.
Heat Treatment:
Process of Heating & Cooling at a desired rate to improve Grain Structure, Strength & Hardness.
heat treatment of steels – finishing operations performed after machining
Corrosion Plating:
Used for obtaining Resistance to Corrosion or better appearance.
corrosion plating techniques – electroplating
Powder metallurgy is used in the following industries:
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Automotive (Brake pads, Gear parts, Connecting rods, Planetary carriers, Sintered Engine Bearings);
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Aerospace (Light weight Aluminum base structural materials, High temperature Composite materials);
- Cutting tools (Hard metals, Diamond containing materials);
- Medicine (Dental implants, Surgical instruments);
- Abrasives (Grinding and Polishing wheels and Discs);
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Electrical, Electronic and Computer parts (Permanent magnets, Electrical contacts).
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