Marine push rod with corrosion-resistant and wear-resistant nano ceramic coating
By spraying the nanoceramic coating prepared from metal cermet materials with supersonic spraying technology on marine push rods, the problem of insufficient wear and corrosion resistance of existing push rods is solved, and higher wear and corrosion resistance is achieved.
Patent Information
- Application Number
- CN202411466508.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-21
- Publication Date
- 2025-02-25
AI Technical Summary
Existing marine push rods have shortcomings in wear resistance and corrosion resistance, which is difficult to meet the needs of the ship industry for wear resistance and corrosion resistance.
A corrosion-resistant and wear-resistant nanoceramic coating prepared from a metal cermet material with a particle size of less than 100 nanometers is used. The coating consists of a nickel-chromium base layer and a ceramic coating, and is sprayed on the outer surface of the rod of the pusher through supersonic spraying technology.
It significantly improves the wear resistance and corrosion resistance of the push rod, forms a nanocoat with a density greater than 99%, and enhances the wear resistance and corrosion resistance of the push rod.
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Figure CN119506756A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of nanotechnology, and in particular relates to a marine push rod with a corrosion-resistant and wear-resistant nano-ceramic coating. Background Art
[0002] A marine push rod is a commonly used component in the shipbuilding industry, which includes a rod body and a mounting head, wherein the mounting head has a mounting clamp, and the rod body contacts other components, specifically, the outer surface of the rod body contacts and rubs against other components. At present, the wear resistance of the push rod needs to be improved, and it is also necessary to improve the corrosion resistance of the push rod surface by spraying a corrosion-resistant and wear-resistant nano-ceramic coating. Summary of the invention
[0003] In order to solve the above problems, the present invention adopts the following technical solutions:
[0004] Marine actuators with corrosion-resistant and wear-resistant nano-ceramic coatings, including
[0005] The rod body is a columnar structure, and the outer surface of the rod body is coated with a corrosion-resistant and wear-resistant nano-ceramic coating, and the corrosion-resistant and wear-resistant nano-ceramic coating is a base layer and a ceramic coating from the inside to the outside; wherein,
[0006] The base layer is a nickel-chromium base layer,
[0007] The ceramic coating is made of a metal ceramic material with a particle size less than 100 nanometers.
[0008] The rod body mounting head is provided with a mounting slot.
[0009] In some embodiments, the primer layer is coated on the outer surface of the rod body of the marine putter.
[0010] In some embodiments, the marine push rod having the corrosion-resistant and wear-resistant nano-ceramic coating is sprayed onto the outer surface of the rod body by supersonic spraying.
[0011] In some embodiments, the material of the metal ceramic particles in the ceramic coating is a composite of one or more of Cr3C2, Ni, W, WC, Cr, Ni, Al, Co, Fe, B, etc.
[0012] In some embodiments, the mounting slot is an annular slot provided on the rod body mounting head.
[0013] In some embodiments, the ceramic coating forms a nanocoating with a density greater than 99%.
[0014] In some methods, the ceramic coating is sprayed onto the screw substrate by supersonic spraying; the spraying speed is 500-3000m / s.
[0015] The beneficial effects of the present invention are:
[0016] The corrosion-resistant and wear-resistant nano-ceramic coating provided by the present invention has stronger wear resistance, which can make the push rod have stronger wear resistance. At the same time, the corrosion-resistant and wear-resistant nano-ceramic coating also has strong corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a schematic diagram of a push rod structure with a nano coating;
[0018] Figure 2 Schematic diagram of coating application mechanism.
[0019] In the figure:
[0020] 100 rod body, 200 rod body mounting head, 210 mounting slot, 300 corrosion-resistant and wear-resistant nano-ceramic coating, 310 primer, 320 ceramic coating. DETAILED DESCRIPTION
[0021] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0022] Marine actuators with corrosion-resistant and wear-resistant nano-ceramic coatings, including
[0023] The rod body 100 is a columnar structure. The outer surface of the rod body 100 is coated with a corrosion-resistant and wear-resistant nano-ceramic coating 300. The corrosion-resistant and wear-resistant nano-ceramic coating 300 is composed of a base layer 310 and a ceramic coating 320 from the inside to the outside.
[0024] The base layer 310 is a nickel-chromium base layer.
[0025] The ceramic coating 320 is made of a metal ceramic material with a particle size less than 100 nanometers;
[0026] The rod body mounting head 200 is provided with a mounting slot 210 .
[0027] As for some of the features, when the primer layer 310 is coated, the primer layer 310 is coated on the outer surface of the rod body 100 of the marine push rod.
[0028] As for how to perform the spraying specifically, the marine push rod with the corrosion-resistant and wear-resistant nano-ceramic coating is sprayed onto the outer surface of the rod body 100 by supersonic spraying.
[0029] As for the characteristics related to the coating, the material of the metal ceramic particles in the ceramic coating 320 is a composite of one or more of Cr3C2, Ni, W, WC, Cr, Ni, Al, Co, Fe, B, etc.
[0030] In some embodiments, the mounting slot 210 is an annular slot provided on the rod mounting head 200 .
[0031] The density of the nano-coating formed by the ceramic coating 320 is greater than 99%.
[0032] The ceramic coating 320 is sprayed on the screw base 51 by supersonic spraying; the spraying speed is 5003000m / s.
[0033] It is clear to those skilled in the art that various modifications to the above embodiments can be made without departing from the overall spirit and concept of the present invention, and reference can be made to the prior art for any details that are not detailed. They all fall within the scope of protection of the present invention. The protection scheme of the present invention shall be subject to the claims attached to the present invention.
Claims
1. A marine push rod with a corrosion-resistant and wear-resistant nano-ceramic coating, characterized in that: include The rod body (100) is a columnar structure, and the outer surface of the rod body (100) is coated with a corrosion-resistant and wear-resistant nano-ceramic coating (300), wherein the corrosion-resistant and wear-resistant nano-ceramic coating (300) is composed of a base layer (310) and a ceramic coating (320) from the inside to the outside; wherein: The base layer (310) is a nickel-chromium base layer. The ceramic coating (320) is made of a metal ceramic material with a particle size less than 100 nanometers. A rod body mounting head (200), wherein the rod body mounting head (200) is provided with a mounting slot (210).
2. The marine push rod with corrosion-resistant and wear-resistant nano-ceramic coating according to claim 1, characterized in that: The primer layer (310) is coated on the outer surface of the rod body (100) of the marine push rod.
3. The marine push rod with corrosion-resistant and wear-resistant nano-ceramic coating according to claim 1, characterized in that: The marine push rod with the corrosion-resistant and wear-resistant nano-ceramic coating is sprayed onto the outer surface of the rod body (100) by supersonic spraying.
4. The marine push rod with corrosion-resistant and wear-resistant nano-ceramic coating according to claim 1, characterized in that: The material of the metal ceramic particles in the ceramic coating (320) is a composite of one or more of Cr3C2, Ni, W, WC, Cr, Ni, Al, Co, Fe, B, etc.
5. The marine push rod with corrosion-resistant and wear-resistant nano-ceramic coating according to claim 1, characterized in that: The installation groove (210) is an annular groove provided on the rod body installation head (200).
6. The marine push rod with corrosion-resistant and wear-resistant nano-ceramic coating according to claim 1, characterized in that: The density of the nano coating formed by the ceramic coating (320) is greater than 99%.
7. The marine push rod with corrosion-resistant and wear-resistant nano-ceramic coating according to claim 1, characterized in that: The ceramic coating (320) is sprayed on the screw base (51) by supersonic spraying; the spraying speed is 500-3000m / s.