Sufficient solid solution and sufficient multi-cooling variable-temperature aging heat treatment method

A technology of aging heat treatment and solution heat treatment, which is applied in heat treatment equipment, heat treatment process control, manufacturing tools, etc., can solve the problems of poor heating reliability, low mechanical properties, and low hardness of heat treatment equipment, and reduce the total amount of solid solution and aging heat preservation. the effect of 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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  • Sufficient solid solution and sufficient multi-cooling variable-temperature aging heat treatment method
  • Sufficient solid solution and sufficient multi-cooling variable-temperature aging heat treatment method
  • Sufficient solid solution and sufficient multi-cooling variable-temperature aging heat treatment method

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Embodiment Construction

[0045] 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.

[0046] In the present invention, this embodiment describes a method of sufficient solid solution and sufficient multiple times of cooling and variable temperature aging heat treatment. "A heat treatment method for sufficient solid solution and sufficient multiple times of cooling and variable temperature aging"; the process of the method is: firstly perform the first part of sufficient solution heat treatment, and finally perform the second part of sufficient multiple times of cooling and variable temperature aging heat treatment. The first part of the full solution heat treatment process: relying on the first part of the full solution heat treatment process: including the heating and heat preservation of the austenit...

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Abstract

The invention provides a sufficient solid solution and sufficient multiple cooling variable-temperature aging heat treatment method. The method comprises a sufficient solid solution heat treatment process and a sufficient multiple-cooling variable-temperature aging 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 heat treatment of materials, in particular to a heat treatment method for sufficient solid solution and sufficient multiple times of cooling and variable 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. 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 tre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/78C21D6/02C21D11/00
CPCC21D1/785C21D6/02C21D11/00C21D2211/001
Inventor 李志广杨文影范玉树赵伟郭巨寿王俭
Owner 山西柴油机工业有限责任公司
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