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Manufacturing method of hot stamping part with manganese-based coating on surface

A manufacturing method and surface-containing technology, applied in the field of manufacturing hot stamping parts, can solve problems such as product deformation, and achieve the effect of preventing oxidation, avoiding product deformation and good surface coating

Inactive Publication Date: 2020-07-21
SUZHOU PRESSLER ADVANCED FORMING TECHNOLOGIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, these unfavorable anti-oxidation layers usually need to be removed by shot blasting before welding and electrophoresis, but shot blasting will cause deformation of the product

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0037] In the description of the present invention, it should be noted that the terms "first", "second" and so on are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features . Thus, a feature defined as "first", "second", etc. may expressly or implicitly include one or more of that feature.

[0038] In order to achieve the above object, the invention provides a method for manufacturing a hot stamped part with a m...

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PUM

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Abstract

The invention discloses a manufacturing method of a hot stamping part with a manganese-based coating on the surface. The method comprises the following steps: coating a manganese-based material on thesurface of a steel plate blank to form a first coating; coating a high-temperature oxidation resistant material on the steel plate blank with the first coating to form a second coating; placing the steel plate blank with the double coatings on the surface in an oxygen-free atmosphere environment for austenitizing heating, and heating the high-temperature oxidation resistant material to form an oxidation-resistant layer on the surface of the first coating; and carrying out hot stamping forming processing on the austenitized steel plate blank to obtain the hot stamping part with the manganese-based coating on the surface. The hot stamping part obtained by the manufacturing method has good corrosion resistance, and in addition, the manganese-based coating can be prevented from being oxidized.

Description

technical field [0001] The invention relates to the field of thermoforming, in particular to a method for manufacturing a hot stamping part with a manganese-based coating on the surface. Background technique [0002] In order to increase the oxidation resistance and corrosion resistance of hot-formed steel, it is commonly used to prepare a layer of low-melting-point metal layer on the surface of the bare steel plate, such as aluminum-silicon coating or zinc layer. The aluminum-silicon coating can effectively prevent the oxidation of hot-formed steel, but during the heating process of hot-forming, since the melting point of the aluminum-silicon coating is lower than the temperature of austenite heating, there is melting and diffusion of the aluminum-silicon coating. After the coating is melted, it is easy to stick to the ceramic roller and the mold in the heating furnace, destroying the integrity of the coating, causing the ceramic roller to break and shortening the service l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C30/00C23C28/02C25D5/10B05D7/14B05D7/24B05D1/02B05D3/02B21D22/02
CPCB05D1/02B05D3/0272B05D7/14B05D7/24B21D22/02C23C28/02C23C30/00C25D5/10
Inventor 安健陈汉杰王波
Owner SUZHOU PRESSLER ADVANCED FORMING TECHNOLOGIES CO LTD
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