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Near-Net Shape Fabrication Technologies Utilizing Powder Metallurgy and
Particulate Materials
Alan LawleyDepartment of Materials Engineering
Drexel UniversityPhiladelphia, PA 19104
FABRICATION OF FPC’S
n Is There a Role for Powder Processing?n Intrinsic Capabilities of Powder Processingn Powdersn Powder Processing Technologiesn Joining of Powder Metal Componentsn Is There a Role for Powder Processing?
INTRINSIC CAPABILITIES OF POWDER PROCESSING
n Compositional Flexibilityn Chemical/Microstructural Homogeneityn Fine-Scale Microstructuresn Net or Near-Net Shape Capability
POWDER PROCESSING TECHNOLOGIES
n Press + Sintern Powder Injection Moldingn Powder Forging/Extrusionn Hot Isostatic Pressingn Spray Forming
WELDING
Ferrous Powder Metal Automotive Components- Fusion Welding (Gas Metal Arc)- High Speed Pulse Welding
SOLDERINGNon Ferrous Metals/Alloys – Electrical Connections
Between Discrete Electronic Devices and Circuit Boards- No Clean, Water Soluble, Rosin-Mildly Activated
Soldering- Reflow Soldering- Pb Free Solder Alloys
Filler Metal MPt <400OC