Heat treatment quenching agent

A technology of quenching agent and initiator, which is applied in the direction of quenching agent, heat treatment equipment, manufacturing tools, etc., can solve the problem of loss of odor of quenching agent, and achieve the effect of avoiding temperature rise and odor

Inactive Publication Date: 2019-12-20
徐州彭圆锻造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The main purpose of the present invention is to provide a quenching agent for heat treatment, w

Method used

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Examples

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Example Embodiment

[0026] Example 1

[0027] A heat treatment quenching agent, calculated in parts by weight, consists of the following components: 30 parts of sodium silicate, 5 parts of sodium hydroxide, 7 parts of phase change energy storage microcapsules, and 40 parts of water.

[0028] The phase change energy storage microcapsules are prepared by the following method: mixing graphite and DMF at a weight ratio of 1:20, stirring at a high speed of 2000 rpm until the mixed solution is uniform and free of precipitates, adding n-octadecane to maintain the original speed and continuing Stir until it is uniform, the amount of n-octadecane added is 3-4 times the weight of graphite; add polycaprolactone polyol, stir evenly and heat to 50-55℃, add isophorone diisocyanate and dilauric acid in proportion The butyl tin is reacted for 1 hour; titanium dioxide is added, stirred and cooled to room temperature; freeze-dried to obtain phase change energy storage microcapsules.

[0029] The graphite is 2 microns.

...

Example Embodiment

[0033] Example 2

[0034] A heat treatment quenching agent, calculated in parts by weight, consists of the following components: 38 parts of sodium silicate, 10 parts of sodium hydroxide, 12 parts of phase-change energy storage microcapsules, and 58 parts of water.

[0035] The phase change energy storage microcapsules are prepared by the following method: graphite and DMF are mixed at a weight ratio of 1:20, stirred at high speed at 2500 rpm until the mixed solution is uniform and free of precipitates, and n-octadecane is added to maintain the original speed. Stir until it is uniform, the amount of n-octadecane added is 3-4 times the weight of graphite; add polycaprolactone polyol, stir evenly and heat to 50-55℃, add isophorone diisocyanate and dilauric acid in proportion The butyl tin is reacted for 2 hours; titanium dioxide is added, stirred and cooled to room temperature; freeze-dried to obtain phase-change energy storage microcapsules.

[0036] The graphite is 4 microns.

[0037...

Example Embodiment

[0040] Example 3

[0041] A heat treatment quenching agent, calculated in parts by weight, consists of the following components: 35 parts of sodium silicate, 8 parts of sodium hydroxide, 10 parts of phase change energy storage microcapsules, and 47 parts of water.

[0042] The phase change energy storage microcapsules are prepared by the following method: graphite and DMF are mixed at a weight ratio of 1:20, stirred at a high speed of 2200 rpm until the mixed solution is uniform and free of precipitates, and n-octadecane is added to maintain the original speed. Stir until it is uniform, the amount of n-octadecane added is 3.4 times the weight of graphite; add polycaprolactone polyol, stir evenly and heat to 50-55℃, add isophorone diisocyanate and dibutyltin dilaurate in proportion to react 1.5 hours; adding titanium dioxide, stirring and reducing to room temperature; performing freeze-drying to obtain phase change energy storage microcapsules.

[0043] The graphite is 3 microns.

[0...

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Abstract

The invention provides a heat treatment quenching agent. The heat treatment quenching agent is composed of the following components of, in parts by weight, 30 - 38 parts of sodium silicate, 5 - 10 parts of sodium hydroxide, 7 - 12 parts of phase change energy storage microcapsules, 40 - 58 parts of water. The heat treatment quenching agent has the beneficial effects of solving the problem that peculiar smell is generated and loss is high when a quenching agent is used at present.

Description

technical field [0001] The invention belongs to the field of metal heat treatment additives, and in particular relates to a quenching agent for heat treatment. Background technique [0002] Heat treatment of metal materials is divided into four steps: annealing, normalizing, quenching, and tempering. During the heat treatment process, the metal material is put into a special device, heated to a critical temperature between 30°C and 50°C, held for a certain period of time, and then slowly cooled to improve its various properties. Quenching is an important part of the heat treatment process. Quenching can improve various properties of metal materials, such as strength, hardness, toughness, corrosion resistance, fatigue resistance and process performance. Through quenching, the potential of metal materials can be fully utilized to meet the requirements of various product workpieces for metal materials. [0003] Quenching agent is an important additive in the quenching process...

Claims

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Application Information

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IPC IPC(8): C21D1/60
CPCC21D1/60
Inventor 陈新韩长青王国华
Owner 徐州彭圆锻造有限公司
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