Corrosion-resistant and wear-resistant nano ceramic coating of marine push rod

By using nickel-chromium base layer and nanoceramic coating with metal cermet material less than 100 nanometers on marine push rods, combined with supersonic spraying technology, the shortcomings in wear and corrosion resistance of existing push rods are solved, and stronger wear and corrosion resistance are achieved.

CN119506757APending Publication Date: 2025-02-25SHANGHAI INFOMAN NANOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202411466509.5
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

Technical Problem

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.

Method used

A nanoceramic coating made of a nickel-chromium base layer and a metal cermet material with a particle size of less than 100 nanometers is applied to the outer surface of the rod of the pusher by supersonic spraying technology.

Benefits of technology

It significantly improves the wear resistance and corrosion resistance of the push rod, forms a nanocoated layer with a density of more than 99%, and extends the service life of the push rod.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of nanotechnology, and particularly relates to a corrosion-resistant and wear-resistant nano ceramic coating of a marine push rod. The corrosion-resistant and wear-resistant nano ceramic coating of the marine push rod sequentially comprises a base coat and a ceramic coating from inside to outside, the base coat is a nickel-chromium base coat and comprises 5-20 parts of titanium, 1-30 parts of nickel, 0.3-5 parts of chromium, 1-8 parts of silicon, 0.2-3 parts of molybdenum and 0.1-2 parts of neodymium; the ceramic coating is prepared from a metal ceramic material with the particle size smaller than 100 nanometers. The corrosion-resistant and wear-resistant nano ceramic coating provided by the invention has higher wear resistance, so that the push rod has higher wear resistance, and meanwhile, the corrosion-resistant and wear-resistant nano ceramic coating also has higher corrosion resistance.
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Description

Technical Field

[0001] The invention belongs to the field of nanotechnology, and in particular relates to a corrosion-resistant and wear-resistant nano-ceramic coating for a marine push rod. 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] The corrosion-resistant and wear-resistant nano-ceramic coating of the marine push rod is composed of a base layer and a ceramic coating from the inside to the outside.

[0005] The base layer is a nickel-chromium base layer, which includes 5-20 parts of titanium, 1-30 parts of nickel, 0.3-5 parts of chromium, 1-8 parts of silicon, 0.2-3 parts of molybdenum, and 0.1-2 parts of neodymium;

[0006] The ceramic coating is made of a metal ceramic material with a particle size less than 100 nanometers.

[0007] In some embodiments, the primer layer is coated on the outer surface of the rod body of the marine putter.

[0008] In some embodiments, the corrosion-resistant and wear-resistant nano-ceramic coating of the marine push rod is sprayed onto the outer surface of the rod body by supersonic spraying.

[0009] In some embodiments, the marine push rod further includes a rod body mounting head, wherein the rod body mounting head has a mounting slot.

[0010] 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.

[0011] In some embodiments, the ceramic coating forms a nanocoating with a density greater than 99%.

[0012] In some methods, the ceramic coating is sprayed onto the screw substrate by supersonic spraying; the spraying speed is 500-3000m / s.

[0013] The beneficial effects of the present invention are:

[0014] 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

[0015] Figure 1 is a schematic diagram of a push rod structure with a nano coating;

[0016] Figure 2 Schematic diagram of coating application mechanism.

[0017] In the figure:

[0018] 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

[0019] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0020] The corrosion-resistant and wear-resistant nano-ceramic coating of a marine push rod is characterized in that it is composed of a base layer 310 and a ceramic coating 320 from the inside to the outside, wherein:

[0021] The base layer 310 is a nickel-chromium base layer, which includes 5-20 parts of titanium, 1-30 parts of nickel, 0.3-5 parts of chromium, 1-8 parts of silicon, 0.2-3 parts of molybdenum, and 0.1-2 parts of neodymium;

[0022] The ceramic coating 320 is made of a metal ceramic material with a particle size less than 100 nanometers.

[0023] In some embodiments, the primer layer 310 is coated on the outer surface of the rod body 100 of the boat putter.

[0024] In some embodiments, the corrosion-resistant and wear-resistant nano-ceramic coating of the marine push rod is sprayed onto the outer surface of the rod body 100 by supersonic spraying.

[0025] In some embodiments, the marine push rod further includes a rod body mounting head 200 , and the rod body mounting head 200 has a mounting slot 210 .

[0026] In some embodiments, 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.

[0027] In some embodiments, ceramic coating 320 forms a nano-coating with a density greater than 99%.

[0028] In some embodiments, the ceramic coating 320 is sprayed onto the screw substrate 51 by supersonic spraying; the spraying speed is 500-3000 m / s.

[0029] 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. The corrosion-resistant and wear-resistant nano-ceramic coating of the marine push rod is characterized by: From the inside to the outside, it is composed of a base layer (310) and a ceramic coating (320), wherein: The base layer (310) is a nickel-chromium base layer, which includes 5 to 20 parts of titanium, 1 to 30 parts of nickel, 0.3 to 5 parts of chromium, 1 to 8 parts of silicon, 0.2 to 3 parts of molybdenum, and 0.1 to 2 parts of neodymium; The ceramic coating (320) is made of a metal ceramic material with a particle size less than 100 nanometers.

2. The corrosion-resistant and wear-resistant nano-ceramic coating of a marine push rod 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 corrosion-resistant and wear-resistant nano-ceramic coating of a marine push rod according to claim 2, characterized in that: The corrosion-resistant and wear-resistant nano-ceramic coating of the marine push rod is sprayed onto the outer surface of the rod body (100) by supersonic spraying.

4. The corrosion-resistant and wear-resistant nano-ceramic coating of a marine push rod according to claim 2, characterized in that: The marine push rod further comprises a rod body mounting head (200), wherein the rod body mounting head (200) has a mounting slot (210).

5. The corrosion-resistant and wear-resistant nano-ceramic coating of a marine push rod 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.

6. The corrosion-resistant and wear-resistant nano-ceramic coating for a marine push rod 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 corrosion-resistant and wear-resistant nano-ceramic coating for a marine push rod 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.