Critical solid solution and critical multiple cooling aging and annealing composite heat treatment method

A composite heat treatment and solid solution heat treatment technology, applied in heat treatment equipment, heat treatment process control, manufacturing tools, etc., can solve the problems of poor resistance to discoloration and corrosion, poor heating reliability of heat treatment equipment, poor quality stability, etc., to reduce residual cold and heat Effects of processing stress and deformation, reducing or inhibiting solid solution and aging weakening phases, and improving surface resistance to discoloration and corrosion

Pending Publication Date: 2022-04-26
山西柴油机工业有限责任公司
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  • Abstract
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  • Claims
  • Application Information

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Benefits of technology

This patented technology describes a new type of thermal treatments for steels that are difficult to work properly due to their chemical composition and structure. These techniques aimed towards improving these materials' qualities by promoting better resistance against corrosion without reducing its effectiveness over longer periods of operation. Additionally, they provide effective methods for prevention of damage caused during manufacturing processes while also enhancing the overall durable lifespan of the material being treated.

Problems solved by technology

This technical problem addressed in this patents relates to improving the performance and durability of conventional heat treatments used for martensite steels without sacrificial layers like nickel plating.

Method used

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  • Critical solid solution and critical multiple cooling aging and annealing composite heat treatment method
  • Critical solid solution and critical multiple cooling aging and annealing composite heat treatment method
  • Critical solid solution and critical multiple cooling aging and annealing composite heat treatment method

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Embodiment Construction

[0049] 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.

[0050] In the present invention, a composite heat treatment method of critical solid solution and critical multiple cooling aging and annealing, said method includes "a critical solution heat treatment method", "a critical multiple cooling aging heat treatment method" and "a critical multiple cooling aging heat treatment method" A critical annealing heat treatment method "continuously uses a composite composition of critical solid solution and critical multiple cooling aging and annealing composite heat treatment method"; Two-part critical multiple cooling and aging heat treatment, and finally the third part of critical annealing heat treatment.

[0051] In the present invention, the first part of the critical solution

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Abstract

The invention provides a critical solid solution and critical multiple cooling aging and annealing composite heat treatment method. The method comprises a critical solid solution heat treatment process and a critical multiple cooling aging and annealing composite heat treatment process. According to the scheme, the problems that existing austenitic stainless steel heat treatment is poor in quality stability, low in qualified rate, low in hardness, low in mechanical property, poor in consistency, poor in discoloration and corrosion resistance, long in heating time, low in efficiency, low in cost and the like can be solved. The heating reliability of heat treatment equipment is poor; the service life of a high-temperature component is short; the cost is high; and the like.

Description

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Claims

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Application Information

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Owner 山西柴油机工业有限责任公司
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