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Method of Heat Treatment of a Metal Material

A heat treatment method and metal material technology, applied in heat treatment furnaces, heat treatment equipment, heat treatment process control, etc., can solve the problem of inability to produce metal materials that meet specific mechanical properties.

Inactive Publication Date: 2017-05-31
METAL INDS RES & DEV CENT
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the mechanical properties of the steel S will change not only due to the difference in cooling temperature, but also due to the difference in cooling rate. In the prior art, the heat treatment program only controls the cooling temperature but ignores the cooling rate. Existing heat treatment procedures cannot conform metal materials such as steel to specific mechanical properties
[0005] In view of this, the present invention then provides a metal material heat treatment method to solve the problem that the heat treatment procedures in the prior art cannot produce metal materials that meet specific mechanical properties

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[0042] In order to make the above-mentioned and other objects, features and advantages of the present invention more comprehensible, the preferred embodiments of the present invention are specifically cited below, together with the accompanying drawings, as follows:

[0043] The temperature of the metal material mentioned throughout the present invention refers to the surface temperature of the metal material after performing the heating process or the cooling process.

[0044] Please refer to figure 2 and image 3 As shown, it is a schematic diagram of a cooling device for implementing the metal material heat treatment method of the present invention, and the cooling device is used to perform cooling operations on a metal material S, wherein the cooling device includes a conveying mechanism 1 and a spray mechanism 2 , the spray mechanism 2 is arranged on one side of the conveying mechanism 1 .

[0045] The conveying mechanism 1 has a base 11 and a plurality of rollers 12, ...

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Abstract

A method of heat treatment of a metal material is disclosed. The method of heat treatment includes heating the metal material to a first temperature through a heating fixture, and reducing the first temperature of the metal material to a second temperature through a cooling apparatus performing a fast cooling operation. The fast cooling operation has a high cooling speed of 80 DEG C / sec to 200 DEG C / sec. As such, the processed metal material can have the required mechanical properties.

Description

technical field [0001] The invention relates to a heat treatment method for a metal material, in particular to a heat treatment method for changing the mechanical properties of the metal material by controlling the cooling rate. Background technique [0002] In the process of processing metal materials, the heat treatment process can change the mechanical properties of the metal itself. Taking the heat treatment process of steel as an example, when the steel is heated to a specific temperature, the steel can be cooled by a cooling device, and The cooling device can change the structural state of the steel by controlling the cooling temperature of the steel, so as to make the steel conform to specific mechanical properties such as rigidity or ductility. [0003] Please refer to figure 1 As shown, it discloses a manufacturing device 9 for hot-rolled steel plates. The manufacturing device 9 is sequentially provided with a hot-rolling processing machine 91, a rapid cooling unit...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D11/00C21D9/00
CPCC21D9/0075C21D11/005C21D1/60C21D1/667C21D9/0056C21D9/0062C21D9/525
Inventor 张家豪黄仁佑吴承恩王柏翰林芳州
Owner METAL INDS RES & DEV CENT