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Rapid solid solution and rapid starting from high-temperature multi-time variable-temperature alternating 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 long heating time, poor heating reliability of heat treatment equipment, and poor quality stability, so as to improve heat treatment efficiency, reduce the total time of solid solution and aging heat preservation, and realize The effect of maximizing furnace load and high-volume production requirements

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, low mechanical properties and poor consistency, long heating time, low efficiency, poor heating reliability of heat treatment equipment and high temperature elements in the existing traditional mainstream austenitic stainless steel solution and aging heat treatment. Theoretical and practical problems of "one long, one high, three different and five low" unique heat treatment technology, such as low device service life and high cost

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  • Rapid solid solution and rapid starting from high-temperature multi-time variable-temperature alternating aging heat treatment method
  • Rapid solid solution and rapid starting from high-temperature multi-time variable-temperature alternating aging heat treatment method
  • Rapid solid solution and rapid starting from high-temperature multi-time variable-temperature alternating aging heat treatment method

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[0055] 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.

[0056] like figure 2 As shown, the embodiment of the present invention proposes a rapid solid solution and rapid starting at high temperature multiple variable temperature alternating aging heat treatment method, including: step 21, rapid solution heat treatment process; and step 22, rapidly starting at high temperature multiple variable temperature Alternative aging heat treatment process.

[0057] The process of the method is a...

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Abstract

The invention provides a rapid solid solution and rapid starting from high-temperature multi-time variable-temperature alternating aging heat treatment method. The heat treatment method comprises a rapid solid solution heat treatment process and a rapid starting from high-temperature multi-time variable-temperature alternating aging heat treatment process. According to the scheme, the problems that mainstream austenitic stainless steel solid solution and aging heat treatment are 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, components are short in service life, the cost is high, and other special heat treatment technology theories and practice problems are 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 starting from high temperature multiple times variable temperature alternating 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. 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 ...

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 李志广张建颖张树利吉海叶冯文静李全平
Owner 山西柴油机工业有限责任公司
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