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Powder metallurgy (PM) is a cost-effective, near-net-shape manufacturing process that offers unique advantages such as material utilization, complex part forming, and customized material properties. Its application scope spans multiple industries, as detailed below:

1. Automotive Industry
   This is the largest and most important application field of powder metallurgy. PM components are widely used in engine systems, transmission systems, and chassis systems, including:

• Engine parts: connecting rod bearings, valve guides, oil pump gears, and turbocharger rotors.
• Transmission parts: synchronizer hubs, clutch plates, and gear components.
• Chassis parts: steering system components, brake pads, and shock absorber parts.
  The high precision and excellent wear resistance of PM parts help reduce vehicle weight and improve fuel efficiency.

2. Aerospace and Defense Industry
   Powder metallurgy plays a critical role in manufacturing high-performance components that require extreme reliability under harsh conditions:

• Aircraft engine components: turbine disks, blades, and combustion chamber parts made of superalloys or titanium alloys via powder metallurgy, which have high strength and heat resistance.
• Defense equipment: missile components, armor-piercing projectile cores, and firearm parts (e.g., rifle bolt carriers).
• Satellite components: lightweight, high-strength structural parts and heat dissipation components.

3. Electronics and Electrical Industry
   PM is ideal for producing functional components with electrical conductivity, magnetic properties, or wear resistance:

• Magnetic materials: soft magnetic cores (used in transformers, inductors, and motors) and hard magnetic components (used in permanent magnet motors and sensors).
• Electrical contacts: silver-based or copper-based contact parts used in switches, relays, and circuit breakers, which have excellent electrical conductivity and arc resistance.
• Heat sink components: copper or aluminum PM parts for heat dissipation in electronic devices.

4. Machinery and Equipment Industry
   General machinery relies heavily on powder metallurgy parts for their durability and cost efficiency:

• Gear components: small and medium-sized gears for reducers, agricultural machinery, and textile machinery.
• Bearing parts: self-lubricating bearings (oil-impregnated bearings) widely used in household appliances, power tools, and office equipment, which can operate without additional lubrication for long periods.
• Tooling: cutting tools, dies, and wear-resistant parts made of cemented carbide (a typical powder metallurgy product), which have ultra-high hardness and wear resistance.

5. Medical Industry
   With the development of biocompatible materials, powder metallurgy has gained increasing applications in medical devices:

• Implantable devices: artificial joints (hip and knee joints) made of titanium alloy or stainless steel powder, which have good biocompatibility and mechanical properties matching human bones.
• Dental materials: dental implants, crowns, and bridges made of PM titanium or ceramic materials.
• Surgical instruments: high-precision, corrosion-resistant surgical tools.

6. Consumer Goods Industry
   Powder metallurgy parts are ubiquitous in daily products:

• Household appliances: compressor parts, washing machine clutch gears, and microwave oven components.
• Power tools: drill bits, gear shafts, and motor rotors.
• Sports equipment: golf club heads (made of lightweight PM titanium alloys) and bicycle components.

7. Energy Industry
   In the context of global energy transition, powder metallurgy supports the manufacturing of key components for new energy systems