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Aging heat treatment method with sufficient solid solution and sufficient heating and cooling

A technology of aging heat treatment and solid solution heat treatment, which is applied in the field of material heat treatment and can solve the problems of low hardness, poor quality stability, and poor heating reliability of heat treatment equipment.

Pending Publication Date: 2021-04-30
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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  • Aging heat treatment method with sufficient solid solution and sufficient heating and cooling
  • Aging heat treatment method with sufficient solid solution and sufficient heating and cooling
  • Aging heat treatment method with sufficient solid solution and sufficient heating and cooling

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Embodiment Construction

[0056] 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.

[0057] Such as figure 2 and image 3 As shown, the embodiment of the present invention proposes a method of sufficient solid solution and sufficient heating and cooling 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 heating and aging heat treatment process and The third part of step 23 is the full cooling and aging heat treatment...

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Abstract

The invention provides an aging heat treatment method with sufficient solid solution and sufficient heating and cooling. The method comprises a sufficient solid solution heat treatment process, a sufficient heating aging heat treatment process and a sufficient cooling aging heat treatment process. According to the scheme, the special heat treatment technical problems of poor quality stability, low qualified product 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 parts, high cost and the like of existing 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 sufficient solid solution and sufficient temperature rise and fall for 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 aging. Amplitude increases har...

Claims

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Application Information

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IPC IPC(8): C21D1/78C21D6/00
CPCC21D1/78C21D6/00C21D2211/001
Inventor 李志广马强杨姝青张建颖李晓霞李全平
Owner 山西柴油机工业有限责任公司
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