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:

• Automotive (Brake pads, Gear parts, Connecting rods, Planetary carriers, Sintered Engine Bearings);

• 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);

• Electrical, Electronic and Computer parts (Permanent magnets, Electrical contacts).

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