Tantalum and stainless steel spinning nozzle nano-composite coating structure and preparation technology thereof

The invention discloses a tantalum and stainless steel spinning nozzle nano-composite coating structure, and belongs to the technical field of nano-composite coatings. The structure comprises a tantalum and stainless steel spinning nozzle body, a transition layer and a composite ionic membrane nano coating; the transition layer is arranged on the outer side of the tantalum and stainless steel spinning nozzle body, and the composite ionic membrane nano coating is arranged on the outer side of the transmission layer and on the silk outlet surface side. A preparation technology comprises the steps of workpiece pretreatment, vacuum oven entering, plasma cleaning, ion bombardment, transition layer deposition, ionic membrane nano coating composition, gradient cooling and discharge. Accordingly,scratch resistance, deformation resistance and abrasion resistance properties of the tantalum and stainless steel spinning nozzle (plate) can be significantly enhanced, the service life of the spinning nozzle is prolonged, th