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Rapid solid solution and rapid cooling and heating aging heat treatment method

An aging heat treatment and solution heat treatment technology, applied in the field of material heat treatment, can solve the problems of long heating time, poor heating reliability of heat treatment equipment, and low service life of high-temperature components, so as to reduce residual cold and hot processing stress and deformation, increase solid Dissolving and aging strengthening phase, the effect of meeting the performance requirements

Pending Publication Date: 2021-05-11
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 problems of austenitic stainless steel heat treatment, such as poor quality stability, low qualified product rate, low hardness (or low mechanical properties) and poor consistency, long heating time, low efficiency, poor heating reliability of heat treatment equipment, and low service life of high-temperature components. High cost" and other unique heat treatment technical problems such as "one long, one high, three different and five low"

Method used

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  • Rapid solid solution and rapid cooling and heating aging heat treatment method
  • Rapid solid solution and rapid cooling and heating aging heat treatment method
  • Rapid solid solution and rapid cooling and heating aging heat treatment method

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Embodiment Construction

[0049] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0050] Such as figure 2As shown, the embodiment of the present invention proposes a rapid solution and rapid cooling and heating aging heat treatment method, including: step 21, a rapid solution heat treatment process; and step 22, a rapid cooling and heating aging heat treatment process.

[0051] The process of the method is as follows: firstly, a first part of rapid solution heat treatment is performed, then a second part of rap...

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Abstract

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

Description

technical field [0001] The invention relates to the technical field of heat treatment of materials, in particular to a rapid solid solution and rapid temperature drop and temperature rise aging heat treatment method. 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 (good heat treatment process), therefore, alloy structural steel is very easy to pass through quenching and tempering heat treatment methods The hardness (or mechanical properties) is greatly improved; while austenitic stainless steel cannot undergo high-temperature austenite transformation under high temperature conditions (only limited dissolution and precipitation of alloy element strengthening phases, poor heat treatment processability), therefore, austenitic stainless steel It is extremely difficult to great...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/78C21D6/00
CPCC21D1/78C21D6/00C21D2211/001
Inventor 李志广杨博李京高勇李全平李晓霞
Owner 山西柴油机工业有限责任公司
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