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High-abrasion ship side plate iron-based high chrome ceramic composite coating and preparation method thereof

A ceramic composite, ship side plate technology, applied in the field of metallurgical coating, can solve the problems of insufficient corrosion resistance, poor impact resistance, poor antibacterial and antifouling properties, etc., to extend service life, improve adhesion, and improve bonding sexual effect

Inactive Publication Date: 2015-10-28
MAANSHAN XINGLONG FOUNDRY CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

The article "Seawater Corrosion Resistance of Iron-Based High Chromium Plasma Beam Surface Metallurgical Coatings" uses iron, chromium and other elements to spray plasma beam surface metallurgy technology. The shortcomings of peeling, corrosion resistance, poor wear resistance, poor impact resistance, poor antibacterial and antifouling properties need to be improved

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0014] A high wear-resistant iron-based high-chromium ceramic composite coating for ship side plates is made from the following raw materials in parts by weight (kg): graphite powder 1.7, chromium powder 26, nickel powder 4.5, silicon powder 4.2, boron powder 0.3 , Iron powder 41, TiAl powder 11, B 4 C powder 21, nano copper powder 1.3, barium titanate 0.8, micron zirconia ceramic microspheres 3.5, magnesium phosphate 0.4.

[0015] The high wear-resistant ship side plate iron-based high-chromium ceramic composite coating is characterized in that:

[0016] (1) Mix TiAl powder with B 4 C powder and barium titanate are ball milled and mixed, sent into a vacuum furnace, kept at 1580°C and a corresponding pressure of 14MPa, kept for 30 minutes, taken out, water cooled, crushed, and then ball milled until the particle size is less than 130μm to obtain a powder;

[0017] (2) Mix other remaining ingredients with the powder obtained in step (1), and perform ball milling to a particle...

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Abstract

The invention discloses a high-abrasion ship side plate iron-based high chrome ceramic composite coating. The high-abrasion ship side plate iron-based high chrome ceramic composite coating is prepared from the following raw materials including, by weight, 1.6-1.8 parts of graphite powder, 25-27 parts of chromium powder, 4.3-4.6 parts of nickel powder, 4.1-4.4 parts of silicon powder, 0.3-0.4 part of boron powder, 40-42 parts of iron powder, 10-12 parts of TiAl powder, 20-21 parts of B4C powder, 1.2-1.5 parts of copper nano-powder, 0.7-0.9 part of barium titanate, 3-4 parts of micron-size zirconia ceramic microspheres and 0.3-0.5 part of magnesium phosphate. According to the metallurgy coating, through the use of the copper nano-powder, the barium titanate, the micron-size zirconia ceramic microspheres and the magnesium phosphate, the compactness, the abrasive resistance and the seawater corrosion resistance of the coating are improved, the adhesive force is improved, the peeling speed is slown down, and the service life of a ship side plate is prolonged.

Description

technical field [0001] The invention relates to the field of metallurgical coatings, in particular to a highly wear-resistant ship side plate iron-based high-chromium ceramic composite coating and a preparation method thereof. Background technique [0002] There are many ways to solve the seawater corrosion resistance of materials, and surface coating protection is a common method. In this field, in addition to the widely used organic coatings, thermal spraying zinc-aluminum alloy layer is also a commonly used long-term anti-corrosion method for marine steel structures. However, thermal spraying requires strict surface pretreatment, and its construction in humid marine atmosphere is limited. In addition, organic coatings and thermal sprayed zinc-aluminum alloy anti-corrosion coatings have poor impact and wear resistance. [0003] The plasma beam surface metallurgy technology uses the plasma arc as the heat source and adopts the method of synchronous powder feeding to clad ...

Claims

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Application Information

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IPC IPC(8): C23C24/02
Inventor 张家俊
Owner MAANSHAN XINGLONG FOUNDRY CO LTD