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Method for preparing multiple layers of thin films on die surface through arc ion plating

An arc ion plating, multi-layer thin film technology, applied in the direction of ion implantation plating, coating, sputtering plating, etc., can solve the problems affecting the surface finish of the forgings and the life of the die, the harsh service conditions of the forging die, and the quality stability of the forgings. and other problems, to achieve the effect of shortening the maintenance cycle, shortening the number of mold repairs, and good thermal fatigue stability.

Inactive Publication Date: 2018-06-29
新锐咨询(辽宁)有限公司
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AI Technical Summary

Problems solved by technology

[0002] The parts are made of high-temperature alloy and titanium alloy, with complex shape and high deformation resistance. The service conditions of the forging die are extremely harsh. The outstanding performance is in three aspects: the working environment is high temperature and rapid heating, rapid cooling, the load is heavy and high-speed impact, forging The process is the severe deformation of the blank on the surface of the die and the friction and wear of the die surface, etc., which leads to the failure of the hot forging model cavity surface friction, wear and thermal fatigue, directly affects the surface finish of the forging and the life of the die, and reduces the quality stability of the forging and a substantial increase in production costs
Due to the difficulty in manufacturing parts forging molds, the cycle is long and the cost is high

Method used

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Embodiment Construction

[0012] A method utilizing arc ion plating to prepare a multilayer film on the surface of a mould, comprising the steps of:

[0013] 1) Plasma nitriding on the surface of the mold, put the mold into a vacuum plasma nitriding furnace to form a nitrided layer; perform micro-sand blasting on the surface of the mold after plasma nitriding, then clean it, and then put the mold into Inside the tooling and placed in the coating vacuum chamber;

[0014] 2) Prepare the first layer of film on the surface of the mold to be plated by means of arc ion plating, the first layer of film is a Mn film with a thickness of 60nm;

[0015] 3) Continue to prepare a second layer of film on the first layer of film by arc ion plating, the second layer of film is a CrSiZn film with a thickness of 260nm;

[0016] 4) Continue to prepare a third layer of film on the second layer of film by arc ion plating, the third layer of film is a TiAlSiCN film with a thickness of 5 μm;

[0017] 5) Film micro-sand bla...

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Abstract

The invention relates to a film coating technology, in particular to a method for preparing multiple layers of thin films on a die surface through arc ion plating. According to the technical scheme, the method comprises the following steps that (1) nitridation is carried out on plasmas on the die surface; (2) an arc ion plating manner is adopted for preparing the first layer of thin film on the die surface to be plated; (3) the arc ion plating manner is adopted for preparing the second layer of thin film on the first layer of thin film; (4) the arc ion plating manner is adopted for continuously preparing the third layer of thin film on the second layer of thin film; and (5) thin film micro-sand blasting treatment is carried out. By means of the method for preparing the multiple layers of thin films on the die surface through arc ion plating, the forging die surface quality can be improved, and the service life can be prolonged.

Description

technical field [0001] The invention relates to a coating process, in particular to a method for preparing a multilayer film on the surface of a mold by arc ion plating. Background technique [0002] The parts are made of high-temperature alloy and titanium alloy, with complex shape and high deformation resistance. The service conditions of the forging die are extremely harsh. The outstanding performance is in three aspects: the working environment is high temperature and rapid heating, rapid cooling, the load is heavy and high-speed impact, forging The process is the severe deformation of the blank on the surface of the mold and the friction and wear of the surface of the mold, etc., which leads to the failure of friction, wear and thermal fatigue on the cavity surface of the hot forging model, directly affects the surface finish of the forging and the life of the mold, and reduces the quality stability of the forging and a substantial increase in production costs. Due to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/32C23C14/16C23C14/06C23C8/36C23C28/00
CPCC23C14/325C23C8/36C23C14/06C23C14/0664C23C14/16C23C28/321C23C28/34
Inventor 曹玉坤
Owner 新锐咨询(辽宁)有限公司
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