CN105112726A - Nickel-based ceramic cylinder sleeve and powder metallurgy preparation method thereof - Google Patents
Nickel-based ceramic cylinder sleeve and powder metallurgy preparation method thereof Download PDFInfo
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Abstract
The invention discloses a nickel-based ceramic cylinder sleeve and a powder metallurgy preparation method thereof. The nickel-based ceramic cylinder sleeve is composed of, by weight, 23-45 parts of nickel powder, 12-25 parts of silicon carbide, 6-11 parts of silicon nitride, 8-17 parts of silicon dioxide, 6-13 parts of titanium powder, 5-12 parts of zirconium silicate, 4-11 parts of zirconia, 7-19 parts of dispersing agents and 24-39 parts of water. Compared with the prior art, the nickel-based ceramic cylinder sleeve and the powder metallurgy preparation method thereof have the advantages that (1) the nickel-based ceramic cylinder sleeve is uniform in texture, high in toughness and high in corrosion resistance; (2) the powder metallurgy preparation method of the nickel-based ceramic cylinder sleeve is simple in process and small in energy consumption.
Description
Technical field
The present invention relates to metallurgical technology field, particularly relate to a kind of method for preparing powder metallurgy of Ni-based ceramic liner.
Background technology
Under complexity, bad working environments condition, easily there is early failure in cylinder sleeve of drilling pump, causes drilling cost to remain high.Research finds, wear resistance deficiency is major cause.In order to improve the wear resistance of cylinder sleeve, in prior art, often adopt stupalith, but stupalith frangible characteristics influence work-ing life of cylinder sleeve.In addition, the wear resistance of bi-metal liner packages than ordinary cylinder, but domestic work-ing life only has 200 ~ 400 hours.In recent years, drilling well under the complex geological conditions such as deep-well, hard formation, sea boring, the jetting drilling technology under the high pump pressure widelyd popularize and huge discharge condition to creeping into the wear resistance of pump liner, solidity to corrosion has higher requirement.
Chinese patent CN2014105004278 discloses a kind of wear resistant corrosion resistant toughening ceramic cylinder sleeve and preparation method thereof, described cylinder sleeve is made up of zirconium white, aluminum oxide, silicon carbide, chromium powder, molybdenum powder, nickel powder and dispersion agent, and obtains through ball milling mixing, mist projection granulating, hydrostatic profile, sintering process.Compared with prior art there is following technique effect: the first, the wear resistance of cylinder sleeve and toughness strengthen, and work-ing life extends; The second, cylinder sleeve erosion resistance strengthens, and can adapt to sea boring.But technique scheme has the following disadvantages: (1) cylinder sleeve quality is even not, there is space, thus affect its intensity in material; (2) in cylinder sleeve, metal-powder mixes abundant not with non-metal powder, thus can not play the advantage of pottery completely.
Summary of the invention
The technical problem that the present invention solves: a kind of homogeneous in order to obtain, the cylinder sleeve that toughness is strong, corrosion resistance nature is strong, the invention provides a kind of method for preparing powder metallurgy of Ni-based ceramic liner.
To achieve these goals, the present invention is by the following technical solutions:
A kind of Ni-based ceramic liner, is made up of following raw materials by weight portion proportioning: nickel powder 23 ~ 45 parts, 12 ~ 25 parts, silicon carbide, silicon nitride 6 ~ 11 parts, silicon-dioxide 8 ~ 17 parts, titanium valve 6 ~ 13 parts, zirconium silicate 5 ~ 12 parts, zirconium white 4 ~ 11 parts, dispersion agent 7 ~ 19 parts, 24 ~ 39 parts, water.
As a preferred embodiment of the present invention, described Ni-based ceramic liner is made up of following raw materials by weight portion proportioning: nickel powder 41 parts, 19 parts, silicon carbide, silicon nitride 8 parts, silica 14 parts, titanium valve 11 parts, zirconium silicate 9 parts, zirconium white 8 parts, dispersion agent 15 parts, 34 parts, water.
A method for preparing powder metallurgy for Ni-based ceramic liner, comprises following steps:
(1) add in ball mill by silicon carbide, silicon nitride and fine silica, in process of lapping, 1 ~ 1.2:1.1 ~ 1.5 add water in mass ratio, fully add dispersion agent after mixing, continue ball milling 3 ~ 5 hours;
(2) mixture that step (1) is obtained is carried out drying, spraying granulation;
(3) powdered mixture, nickel powder, titanium valve, zirconium silicate and powdered zirconium oxide that step (2) obtains are placed in blending device, pressure is utilized to be that above-mentioned powder blows afloat by the high pressure gas of 1.3 ~ 1.9MPa, stop after 6 ~ 13 minutes passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly;
(4) by the raw mixture isostatic pressing that step (3) obtains, base substrate is made;
(5) base substrate that obtains of high temperature sintering step (4), sintering temperature is 1480-1670 DEG C, and sintering time is 2.5 ~ 5.5 hours.
As a preferred technical solution of the present invention, silicon carbide, silicon nitride and fine silica add in ball mill in (1) by step, and in process of lapping, 1.1:1.3 adds water in mass ratio, fully add dispersion agent after mixing, continue ball milling 4.5 hours.
As a preferred technical solution of the present invention, in step (3), powdered mixture, nickel powder, titanium valve, zirconium silicate and powdered zirconium oxide that step (2) obtains are placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 1.6MPa, stop after 11 minutes passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly.
As a preferred technical solution of the present invention, the base substrate that in step (5), high temperature sintering step (4) obtains, sintering temperature is 1590 DEG C, and sintering time is 4 hours.
beneficial effect
Compared with prior art, the present invention has the following advantages:
(1) Ni-based ceramic liner of the present invention is homogeneous, and toughness is strong, corrosion resistance nature is strong;
(2) the method for preparing powder metallurgy technical process of Ni-based ceramic liner of the present invention is simple, power consumption is few.
Embodiment
Embodiment 1
A kind of Ni-based ceramic liner, is made up of following raw materials by weight portion proportioning: nickel powder 23 parts, 12 parts, silicon carbide, silicon nitride 6 parts, silicon-dioxide 8 parts, titanium valve 6 parts, zirconium silicate 5 parts, zirconium white 4 parts, dispersion agent 7 parts, 24 parts, water.
A method for preparing powder metallurgy for Ni-based ceramic liner, comprises following steps:
(1) add in ball mill by silicon carbide, silicon nitride and fine silica, in process of lapping, 1:1.1 adds water in mass ratio, fully adds dispersion agent after mixing, continues ball milling 3 hours;
(2) mixture that step (1) is obtained is carried out drying, spraying granulation;
(3) powdered mixture, nickel powder, titanium valve, zirconium silicate and powdered zirconium oxide that step (2) obtains are placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 1.3MPa, stop after 6 minutes passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly;
(4) by the raw mixture isostatic pressing that step (3) obtains, base substrate is made;
(5) base substrate that obtains of high temperature sintering step (4), sintering temperature is 1480 DEG C, and sintering time is 2.5 hours.
Embodiment 2
A kind of Ni-based ceramic liner, is made up of following raw materials by weight portion proportioning: nickel powder 41 parts, 19 parts, silicon carbide, silicon nitride 8 parts, silica 14 parts, titanium valve 11 parts, zirconium silicate 9 parts, zirconium white 8 parts, dispersion agent 15 parts, 34 parts, water.
A method for preparing powder metallurgy for Ni-based ceramic liner, comprises following steps:
(1) add in ball mill by silicon carbide, silicon nitride and fine silica, in process of lapping, 1.1:1.3 adds water in mass ratio, fully adds dispersion agent after mixing, continues ball milling 4.5 hours;
(2) mixture that step (1) is obtained is carried out drying, spraying granulation;
(3) powdered mixture, nickel powder, titanium valve, zirconium silicate and powdered zirconium oxide that step (2) obtains are placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 1.6MPa, stop after 11 minutes passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly;
(4) by the raw mixture isostatic pressing that step (3) obtains, base substrate is made;
(5) base substrate that obtains of high temperature sintering step (4), sintering temperature is 1590 DEG C, and sintering time is 4 hours.
Embodiment 3
A kind of Ni-based ceramic liner, is made up of following raw materials by weight portion proportioning: nickel powder 45 parts, 25 parts, silicon carbide, silicon nitride 11 parts, silica 17 parts, titanium valve 13 parts, zirconium silicate 12 parts, zirconium white 11 parts, dispersion agent 19 parts, 39 parts, water.
A method for preparing powder metallurgy for Ni-based ceramic liner, comprises following steps:
(1) add in ball mill by silicon carbide, silicon nitride and fine silica, in process of lapping, 1.2:1.5 adds water in mass ratio, fully adds dispersion agent after mixing, continues ball milling 5 hours;
(2) mixture that step (1) is obtained is carried out drying, spraying granulation;
(3) powdered mixture, nickel powder, titanium valve, zirconium silicate and powdered zirconium oxide that step (2) obtains are placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 1.9MPa, stop after 13 minutes passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly;
(4) by the raw mixture isostatic pressing that step (3) obtains, base substrate is made;
(5) base substrate that obtains of high temperature sintering step (4), sintering temperature is 1670 DEG C, and sintering time is 5.5 hours.
Detect the Ni-based ceramic liner that above-described embodiment 1 ~ 3 prepares, wherein, comparative example adopts high-chromium alloy cast-iron cylinder sleeve, and corrosion situation is applied in sea boring to add up after 500 hours, and result is as follows:
Claims (6)
1. a Ni-based ceramic liner, it is characterized in that, be made up of following raw materials by weight portion proportioning: nickel powder 23 ~ 45 parts, 12 ~ 25 parts, silicon carbide, silicon nitride 6 ~ 11 parts, silicon-dioxide 8 ~ 17 parts, titanium valve 6 ~ 13 parts, zirconium silicate 5 ~ 12 parts, zirconium white 4 ~ 11 parts, dispersion agent 7 ~ 19 parts, 24 ~ 39 parts, water.
2. a kind of Ni-based ceramic liner according to claim 1, it is characterized in that, be made up of following raw materials by weight portion proportioning: nickel powder 41 parts, 19 parts, silicon carbide, silicon nitride 8 parts, silica 14 parts, titanium valve 11 parts, zirconium silicate 9 parts, zirconium white 8 parts, dispersion agent 15 parts, 34 parts, water.
3. the method for preparing powder metallurgy of a kind of Ni-based ceramic liner described in claim 1, is characterized in that, comprise following steps:
(1) add in ball mill by silicon carbide, silicon nitride and fine silica, in process of lapping, 1 ~ 1.2:1.1 ~ 1.5 add water in mass ratio, fully add dispersion agent after mixing, continue ball milling 3 ~ 5 hours;
(2) mixture that step (1) is obtained is carried out drying, spraying granulation;
(3) powdered mixture, nickel powder, titanium valve, zirconium silicate and powdered zirconium oxide that step (2) obtains are placed in blending device, pressure is utilized to be that above-mentioned powder blows afloat by the high pressure gas of 1.3 ~ 1.9MPa, stop after 6 ~ 13 minutes passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly;
(4) by the raw mixture isostatic pressing that step (3) obtains, base substrate is made;
(5) base substrate that obtains of high temperature sintering step (4), sintering temperature is 1480-1670 DEG C, and sintering time is 2.5 ~ 5.5 hours.
4. the method for preparing powder metallurgy of a kind of Ni-based ceramic liner according to claim 3, it is characterized in that, silicon carbide, silicon nitride and fine silica add in ball mill in (1) by step, in process of lapping, 1.1:1.3 adds water in mass ratio, add dispersion agent after abundant mixing, continue ball milling 4.5 hours.
5. the method for preparing powder metallurgy of a kind of Ni-based ceramic liner according to claim 3, it is characterized in that, in step (3), powdered mixture, nickel powder, titanium valve, zirconium silicate and powdered zirconium oxide that step (2) obtains are placed in blending device, above-mentioned powder blows afloat by the high pressure gas utilizing pressure to be 1.6MPa, stop after 11 minutes passing into high pressure gas, each powder deposits and Homogeneous phase mixing jointly.
6. the method for preparing powder metallurgy of a kind of Ni-based ceramic liner according to claim 3, is characterized in that, the base substrate that in step (5), high temperature sintering step (4) obtains, sintering temperature is 1590 DEG C, and sintering time is 4 hours.
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| CN105463286A (en) * | 2015-12-10 | 2016-04-06 | 无锡拓能自动化科技有限公司 | Pipeline suitable for conveying natural gas and manufacturing method of pipeline |
| CN105508748A (en) * | 2015-12-08 | 2016-04-20 | 无锡拓能自动化科技有限公司 | Pipeline for conveying combustible gas and preparation method thereof |
| CN105499555A (en) * | 2015-12-08 | 2016-04-20 | 无锡拓能自动化科技有限公司 | Pipeline suitable for conveying acidic sewage, and preparation method thereof |
| CN105586510A (en) * | 2016-02-19 | 2016-05-18 | 彭冲 | Wear-resisting gear |
| CN105671368A (en) * | 2016-03-18 | 2016-06-15 | 苏州莱特复合材料有限公司 | Silicon carbide particle enhanced nickel-based composite and preparation method thereof |
| CN105734378A (en) * | 2016-02-29 | 2016-07-06 | 苏州莱特复合材料有限公司 | Anti-cracking ceramic matrix composite material and powder metallurgy preparation method thereof |
| CN106881157A (en) * | 2017-01-26 | 2017-06-23 | 张根 | Ultrapure alkaline-resisting spherical carrier of catalyst |
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| CN114012097A (en) * | 2021-10-22 | 2022-02-08 | 兆山科技（北京）有限公司 | Wear-resistant corrosion-resistant nickel-based powder for preparing gradient ceramics and metallurgical preparation method |
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