Rapid solid solution and rapid cooling, heating and variable-temperature aging heat treatment method

A technology of aging heat treatment and solution heat treatment, which is applied in the field of material heat treatment, can solve the problems of poor heating reliability of heat treatment equipment, low service life of high-temperature components, and long heating time, so as to increase the solid solution and aging strengthening phase and meet the performance requirements Requirements, effects of improving heat treatment efficiency

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 problem of 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 service life of high-temperature components in the existing austenitic stainless steel heat treatment Low and high cost" and other unique heat treatment technical problems such as "one long, one high, three different and five low"

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  • Rapid solid solution and rapid cooling, heating and variable-temperature aging heat treatment method
  • Rapid solid solution and rapid cooling, heating and variable-temperature aging heat treatment method
  • Rapid solid solution and rapid cooling, heating and variable-temperature aging heat treatment method

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[0048] 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.

[0049] Such as figure 2As shown, the embodiment of the present invention proposes a rapid solution and rapid temperature drop and temperature change aging heat treatment method, including: step 21, rapid solution heat treatment process; and step 22, rapid temperature drop temperature change temperature aging heat treatment process.

[0050] The process of the method is as follows: first, a first part of rapid solution heat treatme...

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Abstract

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

Description

technical field [0001] The invention relates to the technical field of material heat treatment, in particular to a heat treatment method for rapid solid solution and rapid temperature drop and temperature change temperature aging. 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 diff...

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 李志广高勇陈森刘继强马强范玉树
Owner 山西柴油机工业有限责任公司
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