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利用涂层制备装置在普通U型电枢表面制备了石墨烯涂层,通过对普通U型电枢和石墨烯涂层U型电枢进行了低速发射试验,分析了石墨烯涂层对电磁轨道炮放电电流、电枢速度及试验后电枢形貌等的影响。结果表明:与普通U型电枢相比,石墨烯涂层U型电枢的电枢速度可提高20%以上,且石墨烯涂层具有抗电弧烧蚀、减小枢轨间滑动摩擦因数的作用。试验结果对将石墨烯应用于电磁轨道炮,提高其滑动电接触特性具有一定的指导意义。
Graphene coating was prepared on the surface of a normal U-shaped armature by using a coating preparation device. The low-speed emission test was carried out on a common U-shaped armature and graphene coated U-shaped armature. The effect of the graphene coating on the electromagnetic track Gun discharge current, armature speed and armature morphology after the test. The results show that the armature speed of graphene coated U-shaped armature can be increased by more than 20% compared with that of the conventional U-shaped armature, and the graphene coating has anti-arc ablation to reduce the sliding friction coefficient effect. The test results have certain guiding significance for applying graphene to electromagnetic rail gun and improving its sliding electrical contact characteristics.