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Performance comparison between enameled aluminum wire and enameled
- 1. Performance Comparison between Enameled Aluminum Wire and Enameled Copper Wire
- 2. Performance Comparison: Chart One Performance Unit Aluminum Copper Remarks Tensile Strength N/m㎡ 120 260 Resistivity（20℃） Ω.mm2/ m ≤0.028264 ≤0.017241 Temperature Resistance Coefficient aR /℃-1 0.00429 0.00393 Pure Metal Thermal Expansion Coefficient Μm/m. ℃ 23.8 16.6 Heat Transfer Coefficient W/m.K 226 402 Melting Point ℃ 660.4 1083 Pure Metal Boiling Point ℃ 2467 2567 Pure Metal Density g/mm³ 2.703 8.92 Pure Metal
- 3. Performance Comparison: Chart Two Performance Enameled Aluminum Wire Enameled Copper Wire Direct Current Resistance （IACS） 100% 62%---65% Breakdown Voltage Good Good Film Continuity Good Good Elongation Excellent Excellent Resilience Good Excellent Coiling Good Good Degradation Resistance Good Excellent Single Paint Excellent Good Repeated Paint Excellent Bad
- 4. The Differences Impact on the Use: the Design of Electric Machinery • The diameter selection of conductor • Motor wire groove design Reason: the contrast of resistance value
- 5. The Differences Impact on the Use :the Method of Paint Removing 1, The Paint Removing of Enameled Aluminum Wire in the Incoming Inspection Process • Special paint remover----class 130 and class 155 enameled aluminum wire • Concentrated sulfuric acid---all types of enameled aluminum wire 2, The Paint Removing of Enameled Aluminum Wire in the Incoming Inspection Process • Special paint remover----class 130 and class 155 enameled aluminum wire • Stripping salt---- all types of enameled aluminum wire • Mechanical stripping---large types of enameled aluminum wire
- 6. The Differences Impact on the Use: Attended Mode The attended mode of enameled aluminum wire • Paint removing + Dedicated solder wire • Paint removing+ Special flux+ Ordinary solder • Terminal Connection
- 7. The Differences Impact on the Use :Winding • Because the tensile strength of aluminum wire is smaller than copper wire, the winding speed of aluminum wire is slower than copper wire. • At the same time, because of smaller tensile strength, winging tension of enameled aluminum wire will be smaller than copper wire.