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Additive for improving wear resistance of iron casting

A pig iron casting and wear resistance technology, which is applied in the field of additives for improving the wear resistance of pig iron castings, can solve the problem that the performance of pig iron materials cannot meet the needs of the market, and achieves enhanced wear resistance, reduced residual stress, improved service life and safety effect

Inactive Publication Date: 2019-01-01
含山县林头宝兴铸造厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] With the advancement of modern science and technology, especially the rapid development of aerospace and the use of large-scale atomic energy, the emergence of new industries such as ocean development, higher and higher requirements are placed on structural materials, and the performance of traditional pig iron materials cannot meet the market. needs

Method used

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  • Additive for improving wear resistance of iron casting

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] An additive for improving the wear resistance of pig iron castings is made of the following components in parts by weight: humic acid modified graphene 6, cryolite 4, sodium alginate 1.5, and ferromolybdenum 0.55.

[0021] Further, the preparation method of the humic acid modified graphene is:

[0022] (1) The graphene is uniformly dispersed in the ethanol solution at a ratio of 30g:300mL, and then treated with ultrasound for 2 minutes to obtain a graphenol suspension;

[0023] (2) Add 1.6% of the graphene mass of triethanolamine to the graphene alcohol suspension, heat to 72°C, and stir at 3500r / min for 40 minutes to obtain the graphene suspension intermediate;

[0024] (3) Add 5-8% humic acid and 0.5% trimellitic acid to the graphene suspension intermediate, and stir for 2 hours at 300r / min under the heating of a water bath at 80℃, and then proceed Suction filtration to obtain the modified graphene initial material. Put the modified graphene initial material into a reaction c...

Embodiment 2

[0033] An additive for improving the wear resistance of pig iron castings is made of the following components in parts by weight: humic acid modified graphene 9, cryolite 6, sodium alginate 1.9, and ferromolybdenum 0.59.

[0034] Further, the preparation method of the humic acid modified graphene is:

[0035] (1) The graphene is uniformly dispersed in the ethanol solution at a ratio of 30g:300mL, and then treated with ultrasound for 2 minutes to obtain a graphene alcohol suspension;

[0036] (2) Add 1.6% of the graphene mass of triethanolamine to the graphene alcohol suspension, heat to 72°C, and stir at 3500r / min for 40 minutes to obtain the graphene suspension intermediate;

[0037] (3) Add 5-8% humic acid and 0.5% trimellitic acid to the graphene suspension intermediate, and stir for 2 hours at 300r / min under the heating of a water bath at 80℃, and then proceed Suction filtration to obtain the modified graphene initial material. Put the modified graphene initial material into a rea...

Embodiment 3

[0046] An additive for improving the wear resistance of pig iron castings is made of the following components in parts by weight: humic acid modified graphene 7, cryolite 5, sodium alginate 1.6, and ferromolybdenum 0.58.

[0047] Further, the preparation method of the humic acid modified graphene is:

[0048] (1) The graphene is uniformly dispersed in the ethanol solution at a ratio of 30g:300mL, and then treated with ultrasound for 2 minutes to obtain a graphene alcohol suspension;

[0049] (2) Add 1.6% of the graphene mass of triethanolamine to the graphene alcohol suspension, heat to 72°C, and stir at 3500r / min for 40 minutes to obtain the graphene suspension intermediate;

[0050] (3) Add 5-8% humic acid and 0.5% trimellitic acid to the graphene suspension intermediate, and stir for 2 hours at 300r / min under the heating of a water bath at 80℃, and then proceed Suction filtration to obtain the modified graphene initial material. Put the modified graphene initial material into a rea...

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Abstract

The invention discloses an additive for improving wear resistance of iron casting, which relates to the technical field of iron casting. The additive is prepared from the following ingredients: humicacid modifying graphene, cryolite, sodium alginate and ferromolybdenum. By adding the additive for improving the wear resistance of the iron casting according to a given mass ratio, the wear resistance of the iron casting can be effectively improved.

Description

Technical field [0001] The invention belongs to the technical field of pig iron castings, and specifically relates to an additive for improving the wear resistance of pig iron castings. Background technique [0002] Pig iron is an iron-carbon alloy with a carbon content of more than 2%. Industrial pig iron generally has a carbon content of 2.11%-4.3%, and contains C, Si, Mn, S, P and other elements. It is smelted from iron ore in a blast furnace product. According to the different forms of carbon in pig iron, it can be divided into steel-making pig iron, cast pig iron and ductile iron. [0003] With the advancement of modern science and technology, especially the rapid development of aerospace and aviation, the use of large-scale atomic energy, and the emergence of new industries such as ocean development, higher and higher requirements are placed on structural materials. The performance of traditional pig iron materials cannot meet the market. Demand. Summary of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C1/00C21C7/00
CPCC21C1/00C21C7/00
Inventor 张世宝
Owner 含山县林头宝兴铸造厂
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