Hot dip coating cast aluminium alloy and preparation method thereof

A cast aluminum alloy and hot-dip plating technology, applied in the field of hot-dip cast aluminum alloy and its preparation, can solve problems such as corrosion, and achieve the effects of rapid self-healing damage and full electrochemical corrosion resistance.

Active Publication Date: 2010-12-01
JIANGSU LINLONG NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the external components of the wind power generation equipment in service under marine climate conditions, such as the engine room, engine cover, tower, etc., are directly exposed to the extreme corrosive atmosphere, and conventional p...

Method used

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  • Hot dip coating cast aluminium alloy and preparation method thereof
  • Hot dip coating cast aluminium alloy and preparation method thereof
  • Hot dip coating cast aluminium alloy and preparation method thereof

Examples

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Effect test

Embodiment 1

[0050] A hot-dip cast aluminum alloy for anticorrosion treatment of marine weather-resistant engineering parts, which is composed of Zn, Al, Si, RE and TiO 2 The nano-oxide particle enhancer is composed of the total mass percentage of each component: Zn: 35-58%, Si: 0.3-4.0%, RE: 0.02-1.0%, TiO 2 : 0.01~1.0%, Al: balance, and inevitable impurities, the specific mass percentage content and related parameters are shown in Table 1 below:

[0051] Table 1: The mass percentage content (%) of each component in the total weight and related parameters

[0052]

Embodiment 2

[0054] A hot-dip cast aluminum alloy for anticorrosion treatment of marine weather-resistant engineering parts, which is composed of Al, Zn, Si, RE and CeO 2 The nano-oxide particle enhancer is composed of the total mass percentage of each component: Zn: 35-58%, Si: 0.3-4.0%, RE: 0.02-1.0%, CeO 2 : 0.01~1.0%, Al: balance, and inevitable impurities, see Table 2 below for details:

[0055] Table 2: The mass percentage content (%) of each component in the total weight and related parameters

[0056]

Embodiment 3

[0058] The hot-dip alloy is composed of Al, Zn, Si, RE and nano-oxide particle enhancer, wherein the nano-oxide particle is TiO 2 and CeO 2 , and TiO 2 and CeO 2 The ratio is 1:(1~3), in terms of mass percentage: each component accounts for the total mass percentage: Zn: 35-58%, Si: 0.3-4.0%, RE: 0.02-1.0%, nano-oxide particles TiO 2 and CeO 2 Total content: 0.01-1.0%, Al: balance, and inevitable impurities, see Table 3 below for details:

[0059] Table 3: The mass percentage content (%) of each component in the total weight and related parameters

[0060]

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Abstract

The invention relates to a hot dip coating cast aluminium alloy used for antiseptic treatment of various marine climate-resistant engineering components and a preparation method thereof, wherein the cast aluminium alloy is composed of metal of Al, Zn, Si and the like, nanometer oxide particle intensifier and unavoidable impurities; and the nano oxide particle intensifier is selected from one or two of TiO2 and CeO2. The cast aluminium alloy prepared by the invention can be used as a coating which enables the engineering components to have full decay resistance and scour corrosion resistance.

Description

technical field [0001] The invention relates to a variety of hot-dip plated cast aluminum alloys and a preparation method thereof, in particular to a variety of hot-dip plated cast aluminum alloys for anticorrosion treatment of marine weather-resistant engineering parts and a manufacturing method thereof. Background technique [0002] With the rapid development of science and technology, more and more engineering equipment is used in offshore and ocean, but its service conditions are generally > C5 according to the ISO 9225 environmental evaluation standard, which is an extremely harsh environment. The environment is rainy, high temperature, salt spray and strong wind flow, and the exposed parts will be subject to the combined effects of strong atmospheric corrosion, electrochemical corrosion and airflow erosion, and the service life of various steel structures is much lower than that of general inland Outdoor environment. [0003] For example, wind energy has gradually ...

Claims

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Application Information

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IPC IPC(8): C22C21/10C22C1/02
Inventor 冯立新张敏燕缪强
Owner JIANGSU LINLONG NEW MATERIALS
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