Graphite/Cu alloy connector and preparation method thereof
A technology of alloy and graphite, which is applied in the field of graphite/Cu alloy joints and its preparation, can solve problems such as poor wettability, achieve enhanced compatibility, be beneficial to industrial applications, and have good economic benefits
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[0034] Example 1
[0035] Use Cu-TiH 2 -Ni / Cu / Ag-Cu composite solder to prepare graphite / CuCrZr alloy joints, the specific steps are as follows:
[0036] 1. Weigh Cu and TiH with a mass ratio of 60:30:10 2 , Ni three powders, and mix them evenly, add alcohol and grind until the alcohol is completely volatilized to obtain Cu-TiH 2 -Ni mixed powder solder.
[0037] 2. The Ag-Cu foil with a thickness of 100μm (the mass percentage of Ag is 72% and the mass percentage of Cu is 28%) and Cu foil are first polished with sandpaper to remove oxides on the surface, and then placed in alcohol for ultrasound Wash for 30min.
[0038] 3. Grind the end faces of graphite and CuCrZr alloy to be connected with metallographic sandpaper step by step, then put them in an ultrasonic cleaner for 30 minutes, and then dry them with a hair dryer for later use.
[0039] 4. Take an appropriate amount of Cu-TiH prepared in step 1 2 -Ni mixed powder solder, drop a small amount of absolute ethanol and glycerol to pre...
Example Embodiment
[0049] Example 2
[0050] To prepare graphite / copper joints, the specific steps are as follows:
[0051] 1. Weigh Cu and TiH with a mass ratio of 70:22:8 2 , Ni three powders, and mix them evenly, add alcohol and grind until the alcohol is completely volatilized to obtain Cu-TiH 2 -Ni mixed powder solder.
[0052] 2. The Ag-Cu foil with a thickness of 100μm (the mass percentage of Ag is 72% and the mass percentage of Cu is 28%) and Cu foil are first polished with sandpaper to remove oxides on the surface, and then placed in alcohol for ultrasound Wash for 30min.
[0053] 3. Grind the end faces of graphite and copper to be connected with metallographic sandpaper step by step, then put them in an ultrasonic cleaner for 30 minutes, and then dry them with a hair dryer for later use.
[0054] 4. Take an appropriate amount of Cu-TiH prepared in step 1 2 -Ni mixed powder solder, drop a small amount of absolute ethanol and glycerol to prepare a viscous paste solder, then evenly coat the paste ...
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