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Rapid solid solution and rapid multiple cooling aging composite heat treatment method

A composite heat treatment and solid solution heat treatment technology, applied in heat treatment equipment, heat treatment process control, manufacturing tools, etc., can solve the problems of poor heating reliability, long heating time, and low qualified product rate of heat treatment equipment, so as to reduce solid solution and aging The effect of the total holding time

Pending Publication Date: 2022-04-26
山西柴油机工业有限责任公司
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Problems solved by technology

It can solve the problem of poor quality stability, low qualified product rate, low hardness (or low mechanical properties) and poor consistency of existing traditional mainstream austenitic stainless steel solid solution and aging heat treatment, long heating time, low efficiency, poor heating reliability of heat treatment equipment and Theoretical and practical problems of "one long, one high, three different and five low" unique heat treatment technology such as low service life and high cost of high temperature components

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  • Rapid solid solution and rapid multiple cooling aging composite heat treatment method
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  • Rapid solid solution and rapid multiple cooling aging composite heat treatment method

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Embodiment Construction

[0049] In order to make the purpose, content and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings of the embodiments.

[0050]In the present invention, this embodiment describes a rapid solid solution and rapid multiple cooling aging composite heat treatment method, the method includes "a rapid solid solution heat treatment method" and "a rapid multiple cooling aging heat treatment method" Continuous use of composite composition "a rapid solid solution and rapid multiple cooling and aging composite heat treatment method"; the process of the method is: firstly perform the first part of rapid solution heat treatment, and finally carry out the second part of rapid cooling and multiple aging heat treatment continuously . The first part of the rapid solution heat treatment process: relying on the first part of the rapid solution heat treat...

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Abstract

The invention provides a rapid solid solution and rapid multiple cooling aging composite heat treatment method. The method comprises a rapid solid solution heat treatment process and a rapid multi-time cooling aging composite heat treatment process. According to the scheme, the specific heat treatment technical problems of'one-long-one-high three-difference five-low 'of existing austenitic stainless steel heat treatment, such as poor quality stability, low qualified rate, low hardness, low mechanical property, poor consistency, long heating time, low efficiency, poor heating reliability of heat treatment equipment, short service life of high-temperature components, high cost and the like, can be solved.

Description

technical field [0001] The invention relates to the technical field of material heat treatment, in particular to a composite heat treatment method of rapid solid solution and rapid multiple cooling and aging effects. Background technique [0002] The heat treatment principles of austenitic stainless steel and alloy structural steel are completely different: alloy structural steel can undergo high-temperature austenite transformation under high temperature conditions. Therefore, alloy structural steel can easily increase the hardness of the material through quenching and tempering heat treatment methods ( or mechanical properties); and austenitic stainless steel cannot undergo high-temperature austenite structural transformation under high temperature conditions (only the strengthening phase of alloying elements can be dissolved and precipitated), so it is extremely difficult for austenitic stainless steel to undergo solid solution and aging heat treatment. Amplitude increase...

Claims

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Application Information

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IPC IPC(8): C21D1/78C21D6/02C21D11/00
CPCC21D1/785C21D6/02C21D11/00C21D2211/001
Inventor 李志广王东军马强吉海叶赵勇杨文影
Owner 山西柴油机工业有限责任公司
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