The Specialist’s Metal: Copper-Based Powder Metallurgy

While iron-based PM is the “heavy lifter,” Copper-Based Powder Metallurgy is the functional expert. It excels in applications requiring electrical conductivity, thermal management, and self-lubrication.

Performance Matrix

The “Oil Sponge” Secret

Copper-based PM is the world’s leading technology for Oil-Impregnated Bearings.

• The Structure: By controlling the pressing force, we create a metal matrix with 18%–25% interconnected pores.

• The Mechanism: These pores are vacuum-filled with oil. When the shaft spins, friction heat draws the oil out; when it stops, the oil is re-absorbed.

Result: You get a mechanical component that remains lubricated for its entire service life without maintenance.

Why Specify Copper PM?

1. Zero Material Waste: Copper is expensive. Unlike CNC machining which turns 40% of the metal into scrap, PM uses 98% of the raw powder.

2. Precision & Quietness: Sintered copper parts have high damping capacity, making them run much quieter than solid steel gears or bushings in household electronics.

3. Net Shape: Complex flanges and spherical shapes are produced in a single stroke of the press, eliminating secondary labor.

Are you designing a small motor or a high-current connector? I can help you determine the ideal density to ensure your part maximizes conductivity while maintaining structural integrity.