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Composite heat treatment method for rapid solid solution and rapid starting from low-temperature variable-temperature alternating aging

A composite heat treatment and solution heat treatment technology, applied in the field of material heat treatment, can solve the problems of long heating time, poor heating reliability of heat treatment equipment, and low service life of high-temperature components, and achieve the effect of reducing the total 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 austenitic stainless steel solution and aging heat treatment, long heating time, low efficiency, poor heating reliability of heat treatment equipment and the use of high temperature components Theoretical and practical problems of "one long, one high, three different and five low" unique heat treatment technology such as low life and high cost

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  • Composite heat treatment method for rapid solid solution and rapid starting from low-temperature variable-temperature alternating aging
  • Composite heat treatment method for rapid solid solution and rapid starting from low-temperature variable-temperature alternating aging
  • Composite heat treatment method for rapid solid solution and rapid starting from low-temperature variable-temperature alternating aging

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Embodiment Construction

[0043] 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.

[0044] In the present invention, this embodiment describes a rapid solid solution and rapid starting low temperature variable temperature alternating aging composite heat treatment method, the method includes "a rapid solid solution heat treatment method" and "a rapid starting low temperature variable temperature "Alternative aging heat treatment method" continuously uses "a kind of fast solid solution and fast start at low temperat...

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Abstract

The invention provides a composite heat treatment method for rapid solid solution and rapid starting from low-temperature variable-temperature alternating aging. The composite heat treatment method comprises a rapid solid solution heat treatment process and a composite heat treatment process for rapid starting from low-temperature variable-temperature alternating aging. According to the scheme, the problems that austenitic stainless steel solid solution and aging 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 and low in cost can be solved. And 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 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 composite heat treatment method of fast solid solution and fast start at low temperature, variable temperature and alternating aging. Background technique [0002] The heat treatment principles of austenitic stainless steel (see GB / T1220, GB / T1221, GB / T12773, etc.) Therefore, alloy structural steel is very easy to greatly improve the hardness (or mechanical properties) of the material through quenching and tempering heat treatment methods; while austenitic stainless steel cannot undergo high-temperature austenite transformation under high temperature conditions (only dissolution and precipitation Alloying element strengthening phase), therefore, it is extremely difficult for austenitic stainless steel to greatly improve the hardness (or mechanical properties) of the material through solid solution and aging heat treatment. [0003] The meaning of solid solu...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/78C21D6/00
CPCC21D1/785C21D6/00C21D2211/001
Inventor 李志广王俭秦新锋张建颖郑智锋王东军
Owner 山西柴油机工业有限责任公司
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