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Spring steel quenching agent and preparation method thereof

A quenching agent and spring steel technology, applied in the field of heat treatment, can solve the problems of workpiece cracking and fast cooling, and achieve the effects of no oil fume, reducing deformation, and improving strength and toughness

Inactive Publication Date: 2015-05-06
安徽东星汽车部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water-based quenching agent also has limitations such as fast water cooling speed and easy to cause cracking of the workpiece. It is necessary to overcome the above problems by adjusting the composition of the quenching agent.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] Non-limiting examples of the present invention are as follows:

[0020] A spring steel quenching agent prepared from the following component raw materials in weight (kg):

[0021] Lithium magnesium silicate 1.5, benzotriazole 0.015, polyglutamic acid 0.3, maltodextrin 1.5, sodium chloride 4, alum 3, sodium perfluorooctyl sulfonate 0.3, sodium dioctyl sulfosuccinate 0.15 , pentaerythritol tetraisostearate 0.4, tartaric acid 0.15, additive 4, water 75;

[0022] Among them, the additives are made of raw materials with the following weight (kg):

[0023] Fresh pork bone powder 18, sodium lauroyl sarcosinate 1.5, lauryl glucoside 1.5, sorbitan monooleate 0.8, sodium edetate 1.5, sodium gluconate 4, sodium citrate 3, methyl Isothiazolinone 0.4, Vitamin C Magnesium Phosphate 0.8;

[0024] The preparation method of auxiliary agent:

[0025] First add 10% acetic acid solution to the fresh pork bone powder according to the solid-liquid weight ratio of 1:6, then add sodium lau...

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PUM

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Abstract

The invention relates to a spring steel quenching agent which is characterized by being prepared from the following raw materials in parts by weight: 1-2 parts of magnesium lithium silicate, 0.01-0.02 part of benzotriazole, 0.2-0.4 part of polyglutamic acid, 1-2 parts of maltodextrin, 3-5 parts of sodium chloride, 2-4 parts of alums, 0.2-0.4 part of perfluorooctane sodium sulfonate, 0.1-0.2 part of dioctyl sodium sulfosuccinate, 0.3-0.5 part of pentaerythritl tetraisostearate, 0.1-0.2 part of tartaric acid, 3-5 parts of assistants and 70-80 parts of water. The quenching agent provided by the invention has a good cooling performance, can effectively reduce deformation and cracking of workpieces and improve the strength and toughness of the workpiece, has a certain rustproof function, and is suitable for a quenching process of the spring steel.

Description

technical field [0001] The invention relates to heat treatment technology, in particular to a spring steel quenching agent and a preparation method thereof. Background technique [0002] Quenching is a process in which a metal workpiece is heated above the phase transition temperature, and then rapidly cooled in a quenching medium after heat preservation to obtain a martensitic structure. Through the quenching process, the purpose of improving or adjusting the hardness and wear resistance of the workpiece can be achieved. In this process, the requirements for the quenching medium (quenching agent) are to avoid deformation and cracking of the workpiece; the quenching agent is easy to clean, does not pollute and corrode the surface of the workpiece; has stable performance, high temperature resistance, aging resistance, and is not easy to deteriorate; easy to prepare and transport And storage, safe use; raw materials are easy to get, and the cost is low. [0003] Generally, q...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/60C21D6/00
Inventor 邬全法
Owner 安徽东星汽车部件有限公司
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