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Novel multicomponent alloy co-permeation agent and preparation method thereof

A multi-alloy co-infiltration, a new type of technology, applied in metal material coating process, coating, solid diffusion coating and other directions, can solve the problems of uneven thickness of infiltration layer, large amount of zinc powder, low absorption rate of infiltration agent, etc. Achieving the effect of uniform infiltration layer, enhanced surface performance and considerable thickness of infiltration layer

Pending Publication Date: 2022-06-03
FUJIAN HONGGUAN ROADS & BRIDGE ANTI CORROSIVE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of low absorption rate of the infiltration agent, large amount of zinc powder, and uneven thickness of the infiltration layer in the process of multi-component alloy co-infiltration in the prior art, and provide a novel multi-component alloy co-infiltration agent and its preparation method. It is used in the stage of multi-component alloy co-infiltration to improve the absorption rate of co-infiltration metal, so as to optimize the original formula by changing the formula of traditional powder zinc sheathing, adding other metal elements and their compounds, and at the same time, by changing the formula of multi-component alloy co-infiltration aid and Composition of dispersant, increase co-infiltration rate, improve metal surface properties

Method used

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  • Novel multicomponent alloy co-permeation agent and preparation method thereof

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preparation example Construction

[0032] The preparation method of the above-mentioned multi-component alloy penetrating agent, the specific steps are as follows:

[0033] Step 1: Weigh 42-52 parts of composite zinc-aluminum alloy powder, 28-36 parts of composite zinc-magnesium alloy powder, 4-5 parts of aluminum powder, 4-5 parts of chromium powder, and 2-3 parts of rare earth element compound powder by mass parts parts, 25-35 parts of dispersant, 3-5 parts of penetration aid;

[0034] Step 2: Mix the composite zinc-aluminum alloy powder, the composite zinc-magnesium alloy powder, the aluminum powder, the chromium powder, and the rare-earth element compound powder evenly, perform ball milling, then add a penetration aid, mix evenly, and perform ball milling again to obtain the mixed powder and then add a dispersant well mixed;

[0035] Step 3: drying the mixed powder at 80-120°C under the protection of an inert atmosphere to obtain a multi-component alloy interpenetrating agent.

Embodiment 1～5

[0036] Embodiments 1 to 5: a novel and efficient multi-component alloy interpenetrating agent and its preparation method, the components and their corresponding weight fractions are shown in Table 1. Among them, the penetration aids are ammonium chloride and aluminum chloride, and ammonium chloride:aluminum chloride=80:20.

[0037] Table 1

[0038] component Example 1 Example 2 Example 3 Example 4 Example 5 Zinc aluminum alloy powder 40 servings 35 servings 25 servings 40 servings 40 servings Zinc magnesium alloy powder 25 servings 23 servings 20 servings 25 servings 25 servings aluminum powder 10 servings 9 servings 8 servings 10 servings 10 servings Chrome powder 3 copies 2 servings 2 servings 3 copies 3 copies Ceria 1.5 servings 1.5 servings 1.5 servings 3 copies 0 copies Yttrium oxide 1.5 servings 1.5 servings 1.5 servings 0 copies 3 copies silica 75 servings...

Embodiment 5～10

[0040]Examples 5-10: The multi-component alloy co-penetrating agent obtained in Examples 1-5 was put into a sealed crucible together with 306 steel, heated to 450 ℃ with the furnace for 4 hours, and then cooled to below 200 ℃ with the furnace to take out Air-cooled to room temperature.

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Abstract

The invention discloses a novel multicomponent alloy co-permeation agent and a preparation method thereof. The multicomponent alloy co-permeation agent comprises the following components in parts by weight: 42-52 parts of composite zinc-aluminum alloy powder, 28-36 parts of composite zinc-magnesium alloy powder, 4-5 parts of aluminum powder, 4-5 parts of chromium powder, 2-3 parts of rare earth element compound powder, 25-35 parts of a dispersing agent and 3-5 parts of a permeation promoter. The preparation method comprises the following steps: uniformly mixing the composite zinc-aluminum alloy powder, the composite zinc-magnesium alloy powder, the aluminum powder, the chromium powder and the rare earth element compound powder, ball-milling, adding the permeation promoter, uniformly mixing, ball-milling again, adding the dispersing agent, uniformly mixing, and finally drying at 80-120 DEG C under the protection of inert atmosphere. The multicomponent alloy co-permeation agent is wide in raw material source, high in permeation agent activity, high in permeation speed, high in raw material utilization rate, larger in permeation layer thickness and microhardness and higher in binding force with a metal component, the obtained permeation layer is excellent in surface performance, and corrosion of a casting can be effectively slowed down.

Description

technical field [0001] The invention relates to the technical field of metal rust prevention, in particular to a novel multicomponent alloy interpenetrating agent and a preparation method thereof. Background technique [0002] Nowadays, metals have a wide range of applications in people's lives. Correspondingly, the anti-corrosion of metal has increasingly become a problem that cannot be ignored. The corrosion of metals not only consumes the indispensable natural resources in human life, but also seriously damages the normal operation of many activities such as the natural environment, industrial production and human life. and one of the important factors of sustainable economic development. In order to deal with the corrosion of metals, especially to delay the corrosion of metals in harsh working environments, many methods have been adopted to deal with this problem. The traditional methods include oiling, electroplating, and single coating. Nowadays, it is difficult to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C10/52
CPCC23C10/52
Inventor 罗贯虹陈秀香陈镇平谢华标李瑞平罗长虹李伟良丘丽华邓丽琴钟玲燕张飒余煜玺徐锐
Owner FUJIAN HONGGUAN ROADS & BRIDGE ANTI CORROSIVE TECH