▎ 摘 要
NOVELTY - Preparation of graphene reinforced copper base electric contact material, involves placing copper powder in a plasma enhanced chemical vapor deposition apparatus, adjusting the hydrogen gas flow rate, after evacuation, and adjusting the vacuum pressure, under an atmosphere of hydrogen, and annealing copper powder, passing methane gas and argon gas, and performing deposition, stopping the radio frequency power, and cooling copper powder at room temperature, to obtain in-situ growth graphene reinforced copper base electric contact material. USE - Preparation of graphene reinforced copper base electric contact material (claimed). ADVANTAGE - The production cost is reduced and the performance of copper base electric contact material is excellent. The graphene dispersion is even. DETAILED DESCRIPTION - Preparation of graphene reinforced copper base electric contact material, involves placing copper powder in a plasma enhanced chemical vapor deposition apparatus, adjusting the hydrogen gas flow rate to 30 sccm, after evacuation, and adjusting the vacuum pressure of plasma enhanced chemical vapor deposition apparatus to 200 Pa, under an atmosphere of hydrogen, raising temperature to 400-800 degrees C, and annealing copper powder for 15-25 minutes, passing methane gas at flow rate of 1-20 sccm and argon gas at 100 sccm, then adjusting the pressure of vacuum plasma enhanced chemical vapor deposition apparatus to 200-1000 Pa, radio frequency power to 50-200 W, and performing deposition at 400-800 degrees C for 1-5 minutes, stopping the radio frequency power, and cooling the copper powder at room temperature, to obtain in-situ growth graphene reinforced copper base electric contact material.