CN102773491A - Preparation method of high-performance steel-based coating powder - Google Patents
Preparation method of high-performance steel-based coating powder Download PDFInfo
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- CN102773491A CN102773491A CN2012102838029A CN201210283802A CN102773491A CN 102773491 A CN102773491 A CN 102773491A CN 2012102838029 A CN2012102838029 A CN 2012102838029A CN 201210283802 A CN201210283802 A CN 201210283802A CN 102773491 A CN102773491 A CN 102773491A
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Abstract
The invention discloses a preparation method of high-performance steel-based coating powder. The preparation method comprises the following steps: a) raw material screening, b) grinding pretreatment, c) mixing grinding, d) vacuum drying treatment. The preparation method of the high-performance steel-based coating powder, disclosed by the invention, is reasonable in process arrangement, simple and convenient in preparation process, and medium in cost. Enough corrosion resistant, heat resistant and wear resistant compounds are formed by the powder on the surface of a steel matrix. After the coating is formed by the powder on the surface of a part, all the performance requirements are met when the part runs in high speed, corrosion and high intensity environments.
Description
Technical field
The present invention relates to a kind of preparation method of base steel coating powder, relate in particular to a kind of preparation method of heat-resisting, the anti-corrosion and base steel coating powder that anti-wear performance is good, belong to the coating technology field.
Background technology
Along with the development of the high speed of mechanical industry, the continuous increase of the plant equipment of under severe rugged environments such as high speed, high temperature, corrosion, moving, therefore, modern mechanical comes also high to the specification requirement of the wearability of part, corrosion resistance and performance such as high temperature resistant more.People adopt the base steel piece surface to plate other metal or alloy materials of one deck usually, such as zinc, nickel, chromium, copper, cobalt etc., to reach or to improve the performance of aspects such as corrosion stability to parent metal, wearability, non-oxidizability.
But that common coating material exists is not durable, be prone to wear out, be prone to come off or insufficient strength shortcomings such as non-refractory; And in coating procedure; Coating can produce the noxious material of harmful health or harm Environmental security, although people constantly improve on coating processes and be perfect, the composition of coating constitutes tight not enough, reasonable; Still there is potential safety hazard, remains further to improve and improve.
Summary of the invention
To the demand; The invention provides a kind of preparation method of high-performance base steel coating powder, this preparation method's procedure arrangement is reasonable, and preparation technology is easy; Use the coating performance that this powder makes outstanding, can satisfy part at a high speed, performance requirement in corrosion and the high strength environment during operation.
The present invention is a kind of preparation method of high-performance base steel coating powder, and this preparation method comprises the steps: a) screening of raw material, b) grinds pre-treatment, and c) batch mixing grinds, d) vacuum drying treatment.
In the present invention's one preferred embodiment, in the described step a), the main component of coating material is molybdenum powder, aluminium powder, nickel powder, ferromanganese, ferro-boron, vanadium powder, carbon dust and iron powder; Coating material all need grind separately and screen before grinding batch mixing; Wherein, The granularity that molybdenum powder, nickel powder and vanadium powder grind after the screening is about 500 orders, and the granularity that ferromanganese and ferro-boron grind after the screening is about 400 orders, and the granularity that carbon dust grinds after the screening is about 600 orders.
In the present invention's one preferred embodiment, in the described step b), the raw material after the screening need carry out high-temperature process, and processing mode is a vacuum heat, and heating and temperature control is at 880 ℃-900 ℃, and the processing time is 1.5-2 hour.
In the present invention's one preferred embodiment, in the described step c), raw material needs to add binding agent and hygrometric state protective agent in process of lapping, and binding agent can be selected paraffin for use, and the hygrometric state protective agent is selected absolute ethyl alcohol for use.
In the present invention's one preferred embodiment, to be controlled at 300-320r/min, time be 23-25 hour to the mill ball rotating speed in the described process of lapping.
In the present invention's one preferred embodiment, in the described step d), baking temperature is controlled at 60 ℃-80 ℃, and the time is 3-4 hour.
The present invention has disclosed a kind of preparation method of high-performance base steel coating powder; This preparation method's procedure arrangement is reasonable; Preparation technology is easy, and cost is moderate, and powder can form enough anti-corrosion, heat-resisting and wear compounds on the steel matrix surface; This powder after piece surface forms coating, can satisfy part at a high speed, each item performance requirement in corrosion and the high strength environment during operation.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further detailed explanation:
Fig. 1 is the preparation method's of embodiment of the invention high-performance base steel coating powder process figure.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Fig. 1 is the preparation method's of embodiment of the invention high-performance base steel coating powder process figure; This preparation method comprises the steps: a) screening of raw material, b) grinds pre-treatment, and c) batch mixing grinds, d) vacuum drying treatment.
Embodiment 1
Preparation method's practical implementation step of the high-performance base steel coating powder that the present invention mentions is following:
A) screening of raw material, selected coating material and percentage composition thereof are: molybdenum powder 2.5%, aluminium powder 12%, nickel powder 3.5%, ferromanganese 16%, ferro-boron 13%, vanadium powder 2%, carbon dust 1%, all the other are iron powder; Coating material all need grind separately and screen before grinding batch mixing; Wherein, The granularity that molybdenum powder, nickel powder and vanadium powder grind after the screening is about 500 orders, and the granularity that ferromanganese and ferro-boron grind after the screening is about 400 orders, and the granularity that carbon dust grinds after the screening is about 600 orders;
B) grind pre-treatment, the raw material after the screening is carried out high-temperature process, processing mode is a vacuum heat, and heating and temperature control is at 880 ℃, and the processing time is 2 hours;
C) batch mixing grinds, and raw material needs to add binding agent when grinding machine for grinding, and binding agent can be selected paraffin for use; In process of lapping, also need add quantitative absolute ethyl alcohol, make raw material keep the hygrometric state grinding state; To be controlled at 300r/min, time be 23 hours to the mill ball rotating speed in the process of lapping, and making granularity is 700 purpose coating powders;
D) vacuum drying treatment, baking temperature are controlled at 60 ℃, and the time is 4 hours.
Embodiment 2
Preparation method's practical implementation step of the high-performance base steel coating powder that the present invention mentions is following:
A) screening of raw material, selected coating material and percentage composition thereof are: molybdenum powder 2%, aluminium powder 15%, nickel powder 4%, ferromanganese 15%, ferro-boron 15%, vanadium powder 2.5%, carbon dust 0.9%, all the other are iron powder; Coating material all need grind separately and screen before grinding batch mixing; Wherein, The granularity that molybdenum powder, nickel powder and vanadium powder grind after the screening is about 500 orders, and the granularity that ferromanganese and ferro-boron grind after the screening is about 400 orders, and the granularity that carbon dust grinds after the screening is about 600 orders;
B) grind pre-treatment, the raw material after the screening is carried out high-temperature process, processing mode is a vacuum heat, and heating and temperature control is at 900 ℃, and the processing time is 1.5 hours;
C) batch mixing grinds, and raw material needs to add binding agent when grinding machine for grinding, and binding agent can be selected paraffin for use; In process of lapping, also need add quantitative absolute ethyl alcohol, make raw material keep the hygrometric state grinding state; To be controlled at 320r/min, time be 25 hours to the mill ball rotating speed in the process of lapping, and making granularity is 800 purpose coating powders;
D) vacuum drying treatment, baking temperature are controlled at 70 ℃, and the time is 3 hours.
The bright preparation method who has disclosed a kind of high-performance base steel coating powder of the present invention; Be characterized in: this preparation method's procedure arrangement is reasonable; Preparation technology is easy, and cost is moderate, and powder can form enough anti-corrosion, heat-resisting and wear compounds on the steel matrix surface; This powder after piece surface forms coating, can satisfy part at a high speed, each item performance requirement in corrosion and the high strength environment during operation.
The above; Be merely the specific embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (6)
1. the preparation method of a high-performance base steel coating powder is characterized in that, this preparation method comprises the steps: a) screening of raw material, b) grinds pre-treatment, and c) batch mixing grinds, d) vacuum drying treatment.
2. the preparation method of high-performance base steel coating powder according to claim 1 is characterized in that, in the described step a), the main component of coating material is molybdenum powder, aluminium powder, nickel powder, ferromanganese, ferro-boron, vanadium powder, carbon dust and iron powder; Coating material all need grind separately and screen before grinding batch mixing; Wherein, The granularity that molybdenum powder, nickel powder and vanadium powder grind after the screening is about 500 orders, and the granularity that ferromanganese and ferro-boron grind after the screening is about 400 orders, and the granularity that carbon dust grinds after the screening is about 600 orders.
3. the preparation method of high-performance base steel coating powder according to claim 1 is characterized in that, in the described step b); Raw material after the screening need carry out high-temperature process; Processing mode is a vacuum heat, and heating and temperature control is at 880 ℃-900 ℃, and the processing time is 1.5-2 hour.
4. the preparation method of high-performance base steel coating powder according to claim 1 is characterized in that, in the described step c), raw material needs to add binding agent and hygrometric state protective agent in process of lapping, and binding agent can be selected paraffin for use, and the hygrometric state protective agent is selected absolute ethyl alcohol for use.
5. the preparation method of high-performance base steel coating powder according to claim 4 is characterized in that, to be controlled at 300-320r/min, time be 23-25 hour to the mill ball rotating speed in the described process of lapping.
6. the preparation method of high-performance base steel coating powder according to claim 1 is characterized in that, in the described step d), baking temperature is controlled at 60 ℃-80 ℃, and the time is 3-4 hour.
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| CN2012102838029A CN102773491A (en) | 2012-08-10 | 2012-08-10 | Preparation method of high-performance steel-based coating powder |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58177402A (en) * | 1982-04-08 | 1983-10-18 | Mitsubishi Heavy Ind Ltd | Manufacture of fine powder of maraging steel |
| CN1644279A (en) * | 2005-01-19 | 2005-07-27 | 华南理工大学 | Preparation of warm pressed diffusing particle reinforced iron-based powder metallized composite materials |
| CN1683581A (en) * | 2005-03-02 | 2005-10-19 | 山东大学 | Titanium carbide base ternary composite material and its preparing method |
| CN101898247A (en) * | 2010-07-19 | 2010-12-01 | 北京科技大学 | Pollution-free recycling method of iron-based grinding waste material |
| CN102248178A (en) * | 2011-07-06 | 2011-11-23 | 郑新科 | Process for preparing 6AI4V titanium alloy powder by using mechanical alloying heat treatment method |
| CN102389970A (en) * | 2011-12-05 | 2012-03-28 | 北京工商大学 | Powder metallurgical material for cold extrusion mold and mold forming method using same |
| CN102389969A (en) * | 2011-12-05 | 2012-03-28 | 北京工商大学 | Powder metallurgical material for cold stamping mold and mold forming method using same |
-
2012
- 2012-08-10 CN CN2012102838029A patent/CN102773491A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58177402A (en) * | 1982-04-08 | 1983-10-18 | Mitsubishi Heavy Ind Ltd | Manufacture of fine powder of maraging steel |
| CN1644279A (en) * | 2005-01-19 | 2005-07-27 | 华南理工大学 | Preparation of warm pressed diffusing particle reinforced iron-based powder metallized composite materials |
| CN1683581A (en) * | 2005-03-02 | 2005-10-19 | 山东大学 | Titanium carbide base ternary composite material and its preparing method |
| CN101898247A (en) * | 2010-07-19 | 2010-12-01 | 北京科技大学 | Pollution-free recycling method of iron-based grinding waste material |
| CN102248178A (en) * | 2011-07-06 | 2011-11-23 | 郑新科 | Process for preparing 6AI4V titanium alloy powder by using mechanical alloying heat treatment method |
| CN102389970A (en) * | 2011-12-05 | 2012-03-28 | 北京工商大学 | Powder metallurgical material for cold extrusion mold and mold forming method using same |
| CN102389969A (en) * | 2011-12-05 | 2012-03-28 | 北京工商大学 | Powder metallurgical material for cold stamping mold and mold forming method using same |
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Application publication date: 20121114 |