CN104550912A - High-temperature-resistant iron-based powder metallurgy material for valve and preparation method of material - Google Patents
High-temperature-resistant iron-based powder metallurgy material for valve and preparation method of material Download PDFInfo
- Publication number
- CN104550912A CN104550912A CN201410818923.8A CN201410818923A CN104550912A CN 104550912 A CN104550912 A CN 104550912A CN 201410818923 A CN201410818923 A CN 201410818923A CN 104550912 A CN104550912 A CN 104550912A
- Authority
- CN
- China
- Prior art keywords
- powder
- parts
- minute
- add
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Medicinal Preparation (AREA)
Abstract
The invention discloses a high-temperature-resistant iron-based powder metallurgy material for a valve. The high-temperature-resistant iron-based powder metallurgy material is prepared from the following raw materials in parts by weight: 0.9-1.2 parts of nickel powder, 3-5 parts of ferrosilicon, 9-12 parts of BaTiO3, 2-3 parts of ferrotitanium, 3-4 parts of chromium powder, 12-15 parts of molybdenum disilicide powder, 2-3 parts of nano copper powder, 0.3-0.5 part of a silane coupling agent kh-550, a proper amount of 1% sodium carbonate solution, a proper amount of water, 0.4-0.6 part of zinc stearate, 4-5 parts of sodium hypophosphite, 50-55 parts of 2Mol/L copper sulfate solution, 2-3 parts of a wetting additive and 70-74 parts of iron powder. According to the valve material, the BaTiO3 and molybdenum disilicide powder are added, so that the high temperature resistance and the abrasion resistance of the valve are improved; by adding ferrosilicon and ferrotitanium, the structure uniformity of the valve material is improved; the toughness and strength are improved; through the adoption of the process, the wettability and cohesiveness of nonmetallic phase and metallic phase are improved; the composition segregation can be avoided; the material is uniform in structure.
Description
Technical field
The present invention relates to powder metallurgical technology, particularly relate to a kind of high temperature resistant iron-based valve mmaterial and preparation method thereof.
Background technology
Valve is in fluid system, is used for controlling the device of the direction of fluid, pressure, flow, is the medium in pipe arrangement and equipment (liquid, gas, powder) is flowed or stops and controlling the device of its flow.
Valve material therefor is a lot, and wherein mmaterial manufacture craft is simple, makes precision high, saved cost, but powder metallurgy exists a lot of problem.Such as common iron-base powder metallurgy material is heat-resisting, erosion resistance is poor, and bearing is poor, and the mechanical properties such as intensity, hardness, shock-resistance are not high enough.
Metal has heat-shock resistance, the feature of good toughness, but metal is easily oxidized, and hot strength is not high.Stupalith has high rigidity, good heat resistance, the feature such as corrosion-resistant.By metal and Ceramic bond, can obtain that hardness is large, hot strength is high, high temperature creep is good, the material of good thermal shock, many excellent properties such as anti-oxidant, corrosion-resistant, wear-resistant, make valve be more suitable for the change of environment, longer service life.But due to nonmetallic phase and metallographic phase poor compatibility, easily make composition occur segregation, homogeneity of structure is poor, intensity is uneven, occur piebald, running-in ability is poor, wears no resistance, larger pressure can not be born, heat declines seriously, and cracking resistance can be poor, and thermal fatigue resistance can be poor, reduce use properties, shorten work-ing life.
The performance of iron-base powder metallurgy material can be improved by feed change, the performance of material can also be improved by the consistency improving nonmetallic phase and metallographic phase.
Summary of the invention
The object of the present invention is to provide a kind of high temperature resistant iron-based valve mmaterial and preparation method thereof, this valve material has high thermal resistance, wear resistance is good, good toughness, the feature that intensity is high.
Technical scheme of the present invention is as follows:
A kind of high temperature resistant iron-based valve mmaterial, is characterized in that being made up of the raw material of following weight part: nickel powder 0.9-1.2, ferrosilicon 3-5, BaTiO3 9-12, ferrotianium 2-3, chromium powder 3-4, molybdenum silicide powder 12-15, copper nanoparticle 2-3, silane coupling agent kh-550 0.3-0.5,1% sodium carbonate solution is appropriate, water appropriate, inferior sodium phosphate 4-5, polyoxyethylene glycol 0.4-0.6,2Mol/L copper-bath 50-55, wetting aid 2-3, iron powder 70-74;
Described wetting aid is made up of the raw material of following weight part: Ga1-2, P1-1.3, boron oxide 0.8-1.4, titanium 1.4-1.6, Mn 1.3-1.6, vanadium oxide 0.6-0.9, SnO0.3-0.5, Bi2O3 0.2-0.4, magnesium powder 0.6-0.9, NaF0.1-0.2, water 8-10, polyoxyethylene glycol 0.1-0.2; Preparation method is: be added to the water by polyoxyethylene glycol, add magnesium powder after stirring, be heated to 70-80 DEG C, stir 20-30 minute, ultrasonic disperse 3-4 minute, add P, vanadium oxide, boron oxide, titanium, SnO, Bi2O3, Mn again, under 7000-8000 rev/min, stir 10-15 minute, ultrasonic disperse 4-5 minute, spraying dry, mix with other remaining components, be ground to granularity and be less than 5 μm, to obtain final product.
The preparation method of described high temperature resistant iron-based valve mmaterial, is characterized in that comprising the following steps:
(1) by BaTiO3, molybdenum silicide powder mixing, add in 1% sodium carbonate solution of 3-4 times of weight part, be heated to 40-50 DEG C, stir 10-15 minute, filter, add the water washing of 3-4 times of weight part, repeated washing 2-3 time, filter, obtain filter cake;
(2) mixed with wetting aid by filter cake, grinding 30-40 minute, adds the water of 4-5 times of weight part, add silane coupling agent kh-550, stir 10-15 minute, be heated to 60-70 DEG C, then add copper nanoparticle, the iron powder of 1-1.4 weight part, nickel powder, stir 30-40 minute, filter, spraying dry under an atmosphere of hydrogen, pulverize, cross 130 mesh sieves, obtain powder;
(3) powder that (2) step obtains is added in 2Mol/L copper-bath, add polyoxyethylene glycol, inferior sodium phosphate, be heated to 60-70 DEG C, stirring reaction 1-2 hour, filter, be washed with water to neutrality, pass into hot hydrogen and dry, pulverize, obtain powder;
(4) powder that (3) step obtains is mixed with other remaining components, ball milling, shaping, sintering, finished machined, to obtain final product.
Beneficial effect of the present invention
Valve material of the present invention, by adding BaTiO3, molybdenum silicide powder, adds high temperature resistant, the wear resistance of valve, by adding ferrosilicon, ferrotianium, adding the homogeneity of structure of valve material, adding toughness and intensity; Technique of the present invention makes metallographic phase be wrapped in nonmetallic phase skin, adds wettability and the cohesiveness of nonmetallic phase and metallographic phase, can prevent component segregation, makes material structure even, adds intensity and toughness; The wetting aid of the application of the invention, can increase the wettability of metal pair nonmetallic phase, increases fatigue strength and the toughness of valve.
Embodiment
A kind of high temperature resistant iron-based valve mmaterial, is made up of the raw material of following weight part (kilogram): nickel powder 1, ferrosilicon 4, BaTiO3 11, ferrotianium 2.5, chromium powder 3.5, molybdenum silicide powder 13, copper nanoparticle 2.5, silane coupling agent kh-550 0.4,1% sodium carbonate solution are appropriate, water appropriate, inferior sodium phosphate 4.5, polyoxyethylene glycol 0.5,2Mol/L copper-bath 53, wetting aid 2.5, iron powder 72;
Described wetting aid is made up of the raw material of following weight part (kilogram): Ga1.5, P1.2, boron oxide 1, titanium 1.5, Mn 1.5, vanadium oxide 0.7, SnO0.4, Bi2O3 0.3, magnesium powder 0.7, NaF0.1, water 9, polyoxyethylene glycol 0.1; Preparation method is: be added to the water by polyoxyethylene glycol, add magnesium powder after stirring, be heated to 75 DEG C, stir 25 minutes, ultrasonic disperse 3.5 minutes, add P, vanadium oxide, boron oxide, titanium, SnO, Bi2O3, Mn again, stir 13 minutes under 7500 revs/min, ultrasonic disperse 4.5 minutes, spraying dry, mix with other remaining components, be ground to granularity and be less than 5 μm, to obtain final product.
The preparation method of described high temperature resistant iron-based valve mmaterial, comprises the following steps:
(1) by BaTiO3, molybdenum silicide powder mixing, add in 1% sodium carbonate solution of 3.5 times of weight parts, be heated to 45 DEG C, stir 13 minutes, filter, add the water washing of 3.5 times of weight parts, repeated washing 2 times, filter, obtain filter cake;
(2) filter cake is mixed with wetting aid, grind 35 minutes, add the water of 4.5 times of weight parts, add silane coupling agent kh-550, stir 13 minutes, be heated to 65 DEG C, then add copper nanoparticle, the iron powder of 1.2 weight parts, nickel powder, stir 35 minutes, filter, spraying dry under an atmosphere of hydrogen, pulverize, cross 130 mesh sieves, obtain powder;
(3) powder that (2) step obtains is added in 2Mol/L copper-bath, add polyoxyethylene glycol, inferior sodium phosphate, be heated to 65 DEG C, stirring reaction 1.5 hours, filter, be washed with water to neutrality, pass into hot hydrogen and dry, pulverize, obtain powder;
(4) powder that (3) step obtains is mixed with other remaining components, ball milling, shaping, sintering, finished machined, to obtain final product.
Experimental data:
The hardness HB of this embodiment valve material is 64 after tested, and density is 95.78%, voidage 9.11%, and fracture toughness property is 14.5MPam
1/2, ultimate compression strength is 159MPa, and bending strength is 519MPa.
Claims (2)
1. a high temperature resistant iron-based valve mmaterial, is characterized in that being made up of the raw material of following weight part: nickel powder 0.9-1.2, ferrosilicon 3-5, BaTiO3 9-12, ferrotianium 2-3, chromium powder 3-4, molybdenum silicide powder 12-15, copper nanoparticle 2-3, silane coupling agent kh-550 0.3-0.5,1% sodium carbonate solution are appropriate, water appropriate, inferior sodium phosphate 4-5, polyoxyethylene glycol 0.4-0.6,2Mol/L copper-bath 50-55, wetting aid 2-3, iron powder 70-74;
Described wetting aid is made up of the raw material of following weight part: Ga1-2, P1-1.3, boron oxide 0.8-1.4, titanium 1.4-1.6, Mn 1.3-1.6, vanadium oxide 0.6-0.9, SnO0.3-0.5, Bi2O3 0.2-0.4, magnesium powder 0.6-0.9, NaF0.1-0.2, water 8-10, polyoxyethylene glycol 0.1-0.2; Preparation method is: be added to the water by polyoxyethylene glycol, add magnesium powder after stirring, be heated to 70-80 DEG C, stir 20-30 minute, ultrasonic disperse 3-4 minute, add P, vanadium oxide, boron oxide, titanium, SnO, Bi2O3, Mn again, under 7000-8000 rev/min, stir 10-15 minute, ultrasonic disperse 4-5 minute, spraying dry, mix with other remaining components, be ground to granularity and be less than 5 μm, to obtain final product.
2. the preparation method of high temperature resistant iron-based valve mmaterial according to claim 1, is characterized in that comprising the following steps:
(1) by BaTiO3, molybdenum silicide powder mixing, add in 1% sodium carbonate solution of 3-4 times of weight part, be heated to 40-50 DEG C, stir 10-15 minute, filter, add the water washing of 3-4 times of weight part, repeated washing 2-3 time, filter, obtain filter cake;
(2) mixed with wetting aid by filter cake, grinding 30-40 minute, adds the water of 4-5 times of weight part, add silane coupling agent kh-550, stir 10-15 minute, be heated to 60-70 DEG C, then add copper nanoparticle, the iron powder of 1-1.4 weight part, nickel powder, stir 30-40 minute, filter, spraying dry under an atmosphere of hydrogen, pulverize, cross 130 mesh sieves, obtain powder;
(3) powder that (2) step obtains is added in 2Mol/L copper-bath, add polyoxyethylene glycol, inferior sodium phosphate, be heated to 60-70 DEG C, stirring reaction 1-2 hour, filter, be washed with water to neutrality, pass into hot hydrogen and dry, pulverize, obtain powder;
(4) powder that (3) step obtains is mixed with other remaining components, ball milling, shaping, sintering, finished machined, to obtain final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818923.8A CN104550912A (en) | 2014-12-25 | 2014-12-25 | High-temperature-resistant iron-based powder metallurgy material for valve and preparation method of material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410818923.8A CN104550912A (en) | 2014-12-25 | 2014-12-25 | High-temperature-resistant iron-based powder metallurgy material for valve and preparation method of material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104550912A true CN104550912A (en) | 2015-04-29 |
Family
ID=53068570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410818923.8A Pending CN104550912A (en) | 2014-12-25 | 2014-12-25 | High-temperature-resistant iron-based powder metallurgy material for valve and preparation method of material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104550912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048445A (en) * | 2016-07-07 | 2016-10-26 | 无锡戴尔普机电设备有限公司 | Novel air regulation valve stop piece material |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1745184A (en) * | 2003-01-29 | 2006-03-08 | L·E·琼斯公司 | Corrosion and wear resistant alloy |
| CN101818298A (en) * | 2010-05-20 | 2010-09-01 | 什邡市明日宇航工业股份有限公司 | Corrosion-resistant medium-silicon-molybdenum-nickel-cobalt nodular cast iron alloy |
| CN102251184A (en) * | 2011-07-12 | 2011-11-23 | 北京工业大学 | Fe-Cr-B antifriction alloy containing aluminum and preparation method thereof |
| US20120160363A1 (en) * | 2010-12-28 | 2012-06-28 | Exxonmobil Research And Engineering Company | High manganese containing steels for oil, gas and petrochemical applications |
| CN103511525A (en) * | 2013-10-23 | 2014-01-15 | 中南大学 | Carbon ceramic braking pad for high-speed train and preparation method of carbon ceramic braking pad |
| CN103602922A (en) * | 2013-10-10 | 2014-02-26 | 铜陵新创流体科技有限公司 | Powder metallurgy ferrous alloy and preparation method thereof |
| CN103600075A (en) * | 2013-10-10 | 2014-02-26 | 铜陵新创流体科技有限公司 | Powder metallurgical cobalt-free iron-base alloy and manufacture method thereof |
| CN103667944A (en) * | 2013-11-14 | 2014-03-26 | 安徽荣达阀门有限公司 | Pump super-wear-resistant high-hardness alloy steel material and preparation method thereof |
| CN104057090A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Method for removing printing metal, ceramic product metal, ceramic powder and polymer mixed material and polymer from finished product |
-
2014
- 2014-12-25 CN CN201410818923.8A patent/CN104550912A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1745184A (en) * | 2003-01-29 | 2006-03-08 | L·E·琼斯公司 | Corrosion and wear resistant alloy |
| CN101818298A (en) * | 2010-05-20 | 2010-09-01 | 什邡市明日宇航工业股份有限公司 | Corrosion-resistant medium-silicon-molybdenum-nickel-cobalt nodular cast iron alloy |
| US20120160363A1 (en) * | 2010-12-28 | 2012-06-28 | Exxonmobil Research And Engineering Company | High manganese containing steels for oil, gas and petrochemical applications |
| CN102251184A (en) * | 2011-07-12 | 2011-11-23 | 北京工业大学 | Fe-Cr-B antifriction alloy containing aluminum and preparation method thereof |
| CN104057090A (en) * | 2013-03-20 | 2014-09-24 | 江苏天一超细金属粉末有限公司 | Method for removing printing metal, ceramic product metal, ceramic powder and polymer mixed material and polymer from finished product |
| CN103602922A (en) * | 2013-10-10 | 2014-02-26 | 铜陵新创流体科技有限公司 | Powder metallurgy ferrous alloy and preparation method thereof |
| CN103600075A (en) * | 2013-10-10 | 2014-02-26 | 铜陵新创流体科技有限公司 | Powder metallurgical cobalt-free iron-base alloy and manufacture method thereof |
| CN103511525A (en) * | 2013-10-23 | 2014-01-15 | 中南大学 | Carbon ceramic braking pad for high-speed train and preparation method of carbon ceramic braking pad |
| CN103667944A (en) * | 2013-11-14 | 2014-03-26 | 安徽荣达阀门有限公司 | Pump super-wear-resistant high-hardness alloy steel material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106048445A (en) * | 2016-07-07 | 2016-10-26 | 无锡戴尔普机电设备有限公司 | Novel air regulation valve stop piece material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104550913A (en) | Corrosion-resistant iron-based powder metallurgy valve and preparation method thereof | |
| CN104550931A (en) | Scattering particle reinforced iron-based powder metallurgical valve and preparation method thereof | |
| CN104388722B (en) | Hard alloy with binding phase intensified by virtue of heat treatment and preparation method of hard alloy | |
| CN103028730B (en) | Powder metallurgy preparation method of valve clack of membrane valve | |
| CN104550923A (en) | Iron-base powder metallurgy material for high temperature environment valve and preparation method of iron-base powder metallurgy material | |
| CN105039869A (en) | Alloy powder used for laser remanufacturing of martensitic stainless steel parts and preparation method | |
| CN104550934A (en) | Iron-base powder metallurgy material for high pressure valve and preparation method thereof | |
| CN104550908A (en) | Cracking-resistant iron-base powder metallurgy material used for valve and preparation method of cracking-resistant iron-base powder metallurgy material | |
| CN102162079A (en) | Low-oxygen-content high-yield spherical aluminum bronze alloy powder for thermal spraying and preparation method thereof | |
| CN104588641A (en) | Zirconium silicate whisker reinforced valve material and preparation method thereof | |
| CN104550912A (en) | High-temperature-resistant iron-based powder metallurgy material for valve and preparation method of material | |
| CN104550918A (en) | Acid-resistant powder metallurgy material for valve and preparation method of acid-resistant powder metallurgy material | |
| CN104550917A (en) | Wear-proof powder metallurgy material used for valve and preparation method of wear-proof powder metallurgy material | |
| CN107322193A (en) | A kind of preparation method of welding rod | |
| CN104550914A (en) | Iron-based self-lubrication powder metallurgy material for valve and preparation method of material | |
| CN104550920A (en) | Iron-based powder metallurgy material used for high-hardness valve and preparation method of iron-based powder metallurgy material | |
| CN104550927A (en) | Iron-base powder metallurgy material containing electric fused mullite powder for valve and preparation method of iron-base powder metallurgy material | |
| CN105970063A (en) | Method for preparing coated tungsten alloy material | |
| CN104588640A (en) | High-hardness ferrum-based powder metallurgy material for valve and preparing method thereof | |
| CN104550916A (en) | Heat-resistant free-cutting ferrum-based powder metallurgy material for valve and preparation method of heat-resistant free-cutting ferrum-based powder metallurgy material | |
| CN104550932A (en) | Iron-based-fused alumina zirconia powder metallurgy valve material and preparation method thereof | |
| CN102900663B (en) | Cylinder sleeve and manufacture method thereof | |
| CN104588642A (en) | High-and-low-temperature-resistant valve ferrum-based powder metallurgy material and preparing method of high-and-low-temperature-resistant valve ferrum-based powder metallurgy material | |
| CN104550926A (en) | Iron-based tungsten carbide powder metallurgy valve material and preparation method thereof | |
| CN104550924B (en) | A kind of wearable valve iron-base powder metallurgy material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150429 |