Powder metallurgy magnetic ring for new energy automobile magnetic force water pump and manufacturing method of powder metallurgy magnetic ring

A new energy vehicle, powder metallurgy technology, applied in the field of magnetic materials, can solve the problems of poor wear resistance, poor corrosion resistance, low magnetic properties, etc., and achieve the effects of good cost performance, compactness, not easy to crack, and high product yield.

Inactive Publication Date: 2017-10-27
JIANGSU FOOD & PHARMA SCI COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when it is used to prepare magnetic rings, it has defects such as

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0019] Example 1

[0020] In the embodiment of the present invention, a powder metallurgy magnetic ring for a magnetic water pump for a new energy vehicle includes 1 part by weight of raw materials: 1 part of copper, 1 part of calcium phosphate, 0.5 part of graphite, 0.5 part of ethyltrimethoxysilane, and antimony oxide. 0.5 parts, 0.5 parts nickel, 0.1 parts niobium, 0.2 parts molybdenum disulfide, 0.05 parts zinc borate, 0.1 parts vinyl trimethoxysilane, 0.05 parts sodium metasilicate, 0.1 parts cobalt trioxide, and 40 parts iron.

[0021] A manufacturing method of powder metallurgy magnetic ring for new energy vehicle magnetic water pump, including the following steps:

[0022] 1) Mix calcium phosphate, graphite, ethyltrimethoxysilane, antimony oxide, molybdenum disulfide, zinc borate, vinyltrimethoxysilane, sodium metasilicate, and cobalt trioxide and add 5% of the total mass of the above raw materials The deionized water was stirred at 60°C for 30 minutes to prepare mixture A. ...

Example Embodiment

[0025] Example 2

[0026] In the embodiment of the present invention, a powder metallurgy magnetic ring for a magnetic water pump for a new energy vehicle includes raw materials in parts by weight: 10 parts of copper, 10 parts of calcium phosphate, 8 parts of graphite, 8 parts of ethyltrimethoxysilane, and antimony oxide. 8 parts, nickel 10 parts, niobium 3 parts, molybdenum disulfide 3 parts, zinc borate 2 parts, vinyl trimethoxysilane 5 parts, sodium metasilicate 3 parts, cobalt trioxide 5 parts, iron 70 parts.

[0027] A manufacturing method of powder metallurgy magnetic ring for new energy vehicle magnetic water pump, including the following steps:

[0028] 1) Mix calcium phosphate, graphite, ethyltrimethoxysilane, antimony oxide, molybdenum disulfide, zinc borate, vinyltrimethoxysilane, sodium metasilicate, and cobalt trioxide and add 10% of the total mass of the above raw materials The deionized water was stirred at 80°C for 40 min to prepare mixture A.

[0029] 2) The mixture ...

Example Embodiment

[0031] Example 3

[0032] In the embodiment of the present invention, a powder metallurgy magnetic ring for a magnetic water pump for a new energy vehicle includes 2 parts by weight of raw materials: 2 parts of copper, 2 parts of calcium phosphate, 0.8 parts of graphite, 0.8 parts of ethyltrimethoxysilane, and antimony oxide. 0.8 parts, 0.6 parts nickel, 0.2 parts niobium, 0.3 parts molybdenum disulfide, 0.1 parts zinc borate, 0.3 parts vinyltrimethoxysilane, 0.1 parts sodium metasilicate, 0.2 parts cobalt trioxide, and 45 parts iron.

[0033] A manufacturing method of powder metallurgy magnetic ring for new energy vehicle magnetic water pump, including the following steps:

[0034] 1) Mix calcium phosphate, graphite, ethyltrimethoxysilane, antimony oxide, molybdenum disulfide, zinc borate, vinyltrimethoxysilane, sodium metasilicate, and cobalt trioxide and add 7% of the total mass of the above raw materials The deionized water was stirred for 38 min at 68°C to obtain mixture A.

[0...

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PUM

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Abstract

The invention discloses a powder metallurgy magnetic ring for a new energy automobile magnetic force water pump and a manufacturing method of the powder metallurgy magnetic ring. The powder metallurgy magnetic ring is prepared from, by weight, 1-10 parts of copper, 1-10 parts of calcium phosphate, 0.5-8 parts of graphite, 0.5-8 parts of ethyltrimethoxysilane, 0.5-8 parts of antimony oxide, 0.5-10 parts of nickel, 0.1-3 parts of niobium, 0.2-3 parts of molybdenum disulfide, 0.05-2 parts of zinc borate, 0.1-5 parts of vinyl trimethoxy silane, 0.05-3 parts of sodium metasilicate, 0.1-5 parts of cobalt oxide and 40-70 parts of iron. Calcium phosphate, graphite, ethyltrimethoxysilane, antimony oxide, molybdenum disulfide, zinc borate, vinyl trimethoxy silane, sodium metasilicate and cobalt oxide are mixed, then, deionized water is added for heating and stirring, heating is performed at high temperature, then, copper powder, nickel powder, niobium powder and iron powder are added for high-temperature treatment, and annealing and discharging are performed to obtain the powder metallurgy magnetic ring. The powder metallurgy magnetic ring is not likely to crack, the magnetic performance is improved, and corrosion resistance and abrasion resistance are achieved. The preparation technology is simple, easy to implement, low in production cost and suitable for industrial production.

Description

technical field [0001] The invention relates to the technical field of magnetic materials, in particular to a powder metallurgy magnetic ring for a new energy vehicle magnetic water pump and a manufacturing method thereof. Background technique [0002] Soft magnetic materials are magnetic materials with low coercive force and high magnetic permeability. Soft magnetic materials are easy to magnetize and demagnetize, and are widely used in electrical and electronic equipment. The most widely used soft magnetic materials are iron-silicon alloys (silicon steel sheets) and various soft ferrites. With the continuous development of the automobile industry, the penetration rate of environmentally friendly, energy-saving and emission-reducing, green new energy vehicles is increasing year by year, and the demand for soft magnetic materials is also increasing steadily, especially for electrical appliances such as motors and controllers for new energy vehicles. The market size of the ...

Claims

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Application Information

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IPC IPC(8): B22F5/10B22F3/00B22F1/00C22C33/02
CPCB22F1/0003C22C33/0257B22F3/00B22F5/106
Inventor 许云飞
Owner JIANGSU FOOD & PHARMA SCI COLLEGE
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