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

A technology of aging heat treatment and solution heat treatment, applied in the field of material heat treatment, can solve the problems of low service life, low efficiency and poor consistency of high temperature components

Pending Publication Date: 2021-04-23
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"

Method used

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

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[0053] 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.

[0054] Such as figure 2 with image 3 As shown, the embodiment of the present invention proposes a method of sufficient solid solution and sufficient temperature rise and temperature change temperature aging heat treatment, the method includes: step 21, the first part of the full solution heat treatment process; step 22, the second part of the full temperature rise and aging heat treatment process ; Step 23, the third part is the...

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Abstract

The invention provides a sufficient solid solution and sufficient heating and cooling variable-temperature aging heat treatment method. The method comprises a sufficient solid solution heat treatment process, a sufficient heating aging heat treatment process and a sufficient cooling variable-temperature aging heat treatment process. According to the scheme, the problems that existing austenitic stainless steel heat treatment is poor in quality stability, low in qualified product rate, low in hardness, low in mechanical property, poor in consistency, long in heating time, low in efficiency, heat treatment equipment is poor in heating reliability, high-temperature components are short in service life, the cost is high, and other special heat treatment technology problems 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 temperature rise and fall, variable temperature aging and 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 (poor heat treatment process), therefore, it is extremely difficult for austenitic stainless steel to undergo heat treatment methods such as solid solution and...

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 李志广李荣军孙柱孔冰杨文影范玉树
Owner 山西柴油机工业有限责任公司
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