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Infiltration aiding agent for zinc, aluminum and magnesium mechanical energy infiltration aiding and use method for infiltration aiding agent

A penetration aid and mechanical energy technology, applied in metal material coating process, coating, solid-state diffusion coating, etc., can solve the problems of easy oxidation of metal surface, difficult surface activation and stable control, etc., to achieve uniform thickness, prevent secondary The effect of secondary oxidation and uniform composition

Active Publication Date: 2019-11-08
YANCHENG KEAO MECHAICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The reason is that zinc-aluminum-magnesium is an easy-to-oxidize metal, and the metal surface is easy to oxidize and quickly forms an inert protective film with high stability. It is difficult to activate and stabilize the surface during the process.

Method used

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  • Infiltration aiding agent for zinc, aluminum and magnesium mechanical energy infiltration aiding and use method for infiltration aiding agent
  • Infiltration aiding agent for zinc, aluminum and magnesium mechanical energy infiltration aiding and use method for infiltration aiding agent
  • Infiltration aiding agent for zinc, aluminum and magnesium mechanical energy infiltration aiding and use method for infiltration aiding agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] The composition and mass percent of the penetration aid described in the present embodiment are:

[0045]

[0046]When the permeation aid in this embodiment is used for the mechanical energy permeation aid treatment of iron and steel parts: the above-mentioned raw materials are weighed and mixed according to the mass percentage to prepare 7.5 kg, and 25 kg of zinc-6% aluminum-4% magnesium alloy powder, appropriate amount of corundum powder, 2500kg of M20 bolts are loaded into the heat infiltration furnace together, and then the heat infiltration furnace is closed and rotated, and the heat infiltration treatment is completed after 400°C + 5 hours; the bolts are separated by unloading after cooling, the separated corundum powder is gray, and the surface of the bolts is uniform Grey, there is no debris on the surface of the bolt and the bottom of the thread. After shot blasting, the surface of the bolt is uniform off-white. The metallographic method of the cross section ...

Embodiment 2

[0048] The composition and mass percent of the penetration aid described in the present embodiment are:

[0049]

[0050] When the permeation aid in this embodiment is used in the mechanical energy permeation aid treatment of iron and steel parts: the above-mentioned raw materials are weighed and mixed according to the mass percentage to prepare 2.5 kg evenly, and 25 kg of zinc-6% aluminum-4% magnesium alloy powder, appropriate amount of corundum powder, 2500kg of M16 bolts are loaded into the heat seepage furnace together, and then the heat seepage furnace is closed and rotated, and the heat seepage treatment is completed after 400°C + 4.5 hours; after cooling, the bolts are separated by unloading, the separated corundum powder is gray, and the surface of the bolts is uniform Grey, there is no debris on the surface of the bolt and the bottom of the thread. After shot blasting, the surface of the bolt is uniformly light gray. The metallographic method of the cross section sh...

Embodiment 3

[0052] The composition and mass percent of the penetration aid described in the present embodiment are:

[0053]

[0054] When the permeation aid in this example is used for the mechanical energy permeation aid treatment of iron and steel parts: weigh and mix the above-mentioned raw materials according to the mass percentage to prepare 12 kg, and mix with 60 kg of zinc-6% aluminum-4% magnesium alloy powder, appropriate amount of corundum powder, M20 4000kg of bolts are loaded together into the heat seepage furnace, and then the heat seepage furnace is closed and rotated, and the heat seepage treatment is completed after 400°C + 6 hours; after cooling, the bolts are separated by unloading, and the surface of the bolts is uniform gray, and the surface of the bolts and the bottom of the thread There is no adhesion and adhesion of sundries, and the surface of the bolt after shot blasting is uniform off-white. The metallographic method of the cross section shows that the thicknes...

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Abstract

The invention discloses an infiltration aiding agent for zinc, aluminum and magnesium mechanical energy infiltration aiding and a use method for the infiltration aiding agent. The infiltration aidingagent comprises the ingredients of zinc chloride, ammonium tartrate, zinc oxide, oxalic acid, sodium fluoride, magnesium chloride and carbamide. The use method for the infiltration aiding agent comprises the steps that the infiltration aiding agent is prepared; the infiltration aiding agent, zinc-aluminum-magnesium metal powder, alundum powder and a workpiece are loaded into a heat infiltration furnace together; the heat infiltration furnace is closed, and the temperature inside the heat infiltration furnace is maintained to be 350-410 DEG C; and the heat infiltration furnace is rotated, and the duration time is 4.5-6 hours. The infiltration aiding agent is used for steel and iron workpiece surface metal infiltration layer corrosion prevention, the infiltration aiding agent can guarantee to generate a stable reduction atmosphere inside the infiltration furnace in the heat infiltration process, and a zinc, aluminum and magnesium heat infiltration layer with uniform thickness and composition is obtained; and meanwhile, the infiltration aiding agent has good dispersion performance, and infiltrated infiltration parts do not generate bonding.

Description

technical field [0001] The invention relates to a penetration aid and a method for using the same, belonging to the technical field of surface penetration plating and chemical heat treatment of iron and steel materials, and is used for anticorrosion of the metal penetration layer on the surface of iron and steel parts. Background technique [0002] Permeation plating has many advantages such as easy control of coating thickness, high bonding strength, and good corrosion resistance. Therefore, it has been the best choice for the surface protection of embedded parts and fasteners in the field of rail transit, high-speed railway, and large-scale infrastructure construction for many years. . However, in the development of its technology, only hot galvanizing and hot aluminizing technology have been widely used, and the related production equipment structure and parameter technology are backward, and most of them are primitive manual operation and control; although there are zinc...

Claims

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Application Information

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IPC IPC(8): C23C10/52
CPCC23C10/52
Inventor 乐林江王胜民乐政
Owner YANCHENG KEAO MECHAICAL
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