CN110340332A - A kind of weight piece preparation method of high-hardness corrosion-resistant - Google Patents

A kind of weight piece preparation method of high-hardness corrosion-resistant Download PDF

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Publication number
CN110340332A
CN110340332A CN201910782859.5A CN201910782859A CN110340332A CN 110340332 A CN110340332 A CN 110340332A CN 201910782859 A CN201910782859 A CN 201910782859A CN 110340332 A CN110340332 A CN 110340332A
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resistant
powder
preparation
parent metal
metal liquid
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李传
杜保柱
杜道军
盛华
胡家村
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Anhui Boshengyi Power Technology Co Ltd
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Anhui Boshengyi Power Technology Co Ltd
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Priority to CN201910782859.5A priority Critical patent/CN110340332A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/08—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal
    • B22D19/085—Casting in, on, or around objects which form part of the product for building-up linings or coverings, e.g. of anti-frictional metal of anti-frictional metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon

Abstract

The invention discloses a kind of weight piece preparation methods of high-hardness corrosion-resistant, including preparing parent metal liquid, preparation grinding bottom material and preparation coating slurry, coating slurry is evenly applied to heavy punch piece surface several times, then is poured parent metal liquid up to the heavy punch piece of high-hardness corrosion-resistant；The present invention utilizes borax, epoxychloropropane is crosslinked, pass through silane coupler modified rear and ferrochrome powder, sepiolite powder, nano zirconium diboride powder and the grinding compound obtained coating slurry of bottom material, wherein, bottom material is ground with diadust, cubic boron nitride, carborundum grain inert material is aggregate, and cooperate the appropriate silicon powder of addition and quartz sand, so that grinding bottom material is in the bonding hardness for increasing substantially raw material with subsequent coated slurry compound tense, the adhesiveness of the heavy punch piece after casting mold can effectively be promoted, facilitate to promote infiltration of the parent metal liquid in casting process to heavy punch piece surface again, permeance property, improve the bond strength of heavy punch piece and parent metal liquid.

Description

A kind of weight piece preparation method of high-hardness corrosion-resistant
Technical field
The present invention relates to heavy punch piece technical field, the weight piece preparation method of specially a kind of high-hardness corrosion-resistant.
Background technique
Currently, the various aspects quality requirement to transmission line of electricity is all very high, because the safety of transmission line of electricity is very important, Otherwise it will result in great security risk.Wherein, transmission line of electricity Anti-galloping be one cause in recent years concern the problem of.It waves It is the self-excited vibration that guide line generates low frequency (0.1Hz~3Hz), large amplitude (up to 10m or more).With overhead transmission line String is hung in the extensive application of composite insulator, especially strain rod tower drainage thread, because composite insulator is light-weight, wind-deviation ability Difference is easy to happen windage yaw discharge accident, so needing to install additional heavy punch piece to improve the wind-deviation ability of transmission line of electricity.
Heavy punch piece is used for overhead transmission line, is one kind of electric armour clamp, main function is exactly to prevent conducting wire by big wind It is swung left and right after dynamic, causes the insulation spacing of high-voltage conducting wires and steel tower or other objects insufficient.Heavy punch piece requires weight enough, with Play the role of stabilizing lead, prevent windage yaw.Traditional heavy punch piece is all cylinder iron to cast, surface coat anticorrosive paint or Hot galvanizing carries out anti-corrosion.There is energy consumption is high, pollution is high, discharge is high, manufacturing process is long etc. in such casting processing and hot galvanizing processing Defect, and heavy punch piece leaks outside cruelly for a long time, and existing heavy punch piece anti-corrosion effect is poor etc..
Summary of the invention
The purpose of the present invention is to provide a kind of weight piece preparation method of high-hardness corrosion-resistant, whole preparation process defects Few, presentation quality is high, and durability is good, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme:
A kind of weight piece preparation method of high-hardness corrosion-resistant, comprising the following steps:
S1: parent metal liquid is prepared: the raw material including following weight percent composition: C:8-12%, Si:5-8%, Mn: 0.5-1.0%, Cr:6-8%, Mo:0.8-1.0%, Zr:2-4%, V:1-2%, Ta:0.5-0.8%, P :≤1.0%, surplus For Fe；Above-mentioned matrix material is placed in melting in electric induction furnace, it is melting down after adjusting component obtain parent metal by skimming, deoxidation Liquid, smelting temperature are 1580-1620 DEG C；
S2: preparation grinding bottom material: the raw material including following weight percent composition: diadust 15-30%, cube nitrogen Change boron 8-15%, modified phenolic thermosetting resin 3-5%, titanate esters 6-10%, carborundum grain 8-15%, modified aluminas 15-20%, silicon powder 5-8%, quartz sand 6-8%；Above-mentioned grinding raw material is placed in ball milling 30-40min in ball mill, revolving speed 80-120r/s obtains grinding powder；
S3: preparation coating slurry: the raw material including following weight percent composition: 300 mesh ferrochrome powder 20-40%, 300 mesh Sepiolite powder 15-20%, nano zirconium diboride 5-8%, silane coupling agent KH-560 5-8%, borax 5-8%, hydrogen peroxide 6- 10%, silicone acrylic emulsion 2-3%, zirconium tetrafluoride 3-5%, surplus are water；First hydrogen peroxide, the epoxychloropropane in raw material are added 1-2h is stirred in 55-65 DEG C of water, is then added under silane coupling agent KH-560 similarity condition and is stirred 0.5-1h, obtains component A；Again will Remaining raw material is placed in S2 in the ball mill for containing grinding powder after mixing in 100-120 DEG C of processing 10-20min, and grinding is uniform B component is obtained, ball milling after finally mixing component A with B component obtains coating slurry；
S4: the heavy punch piece surface after casting and forming is first cleaned, the coating slurry in S3 is evenly applied to weight several times Piece surface, coating thickness 6-10mm, then in 500-550 DEG C of processing 1-2h；
S5: the temperature of the parent metal liquid in casting S1, parent metal liquid controls between 1550-1600 DEG C, pours It is slowly cooled to room temperature, up to the heavy punch piece of high-hardness corrosion-resistant after conventional postprocessing working procedures.
Preferably, matrix material includes: C:10%, Si:7%, Mn:0.8%, Cr:7%, Mo:1.0%, Zr in S1: 3%, V:2%, Ta:0.7%, P:0.6%, surplus Fe.
Preferably, raw material is ground in S2 includes: diadust 30%, cubic boron nitride 12%, modified phenolic thermosetting property Resin 4%, titanate esters 10%, carborundum grain 12%, modified aluminas 18%, silicon powder 7%, quartz sand 7%.
Preferably, the preparation process of S2 cubic boron nitride are as follows: by weight percentage by 85-90% hexagonal boron nitride and 10-15% magnesium base alloy is uniformly mixed, and is then 1980-2000 DEG C in temperature, pressure is 4.2 × 106It is converted under conditions of KPa Obtained cubic boron nitride.
Preferably, coating slurry raw material includes: 300 mesh ferrochrome powder 30%, 300 mesh sepiolite powders 20%, nanometer two in S3 Zirconium boride 7%, silane coupling agent KH-560 8%, borax 6%, hydrogen peroxide 9%, silicone acrylic emulsion 3%, zirconium tetrafluoride 4%, surplus For water.
Preferably, ferrochrome powder chemical component is as follows: C:0.06%, Cr:65.0%, Si:1.5%, P:0.04%, S: 0.03%, surplus Fe.
Compared with prior art, the beneficial effects of the present invention are:
A kind of weight piece preparation method of high-hardness corrosion-resistant provided by the invention is carried out using borax, epoxychloropropane Crosslinking passes through silane coupler modified rear and ferrochrome powder, sepiolite powder, nano zirconium diboride powder and the grinding compound system of bottom material Obtain coating slurry, wherein grinding bottom material is matched using diadust, cubic boron nitride, carborundum grain inert material as aggregate It closes and adds appropriate silicon powder and quartz sand, so that grinding bottom material is increasing substantially the viscous of raw material with subsequent coated slurry compound tense Hardness is tied, the adhesiveness of the heavy punch piece after casting mold can be effectively promoted and promotes parent metal liquid in casting process Infiltration, permeance property to heavy punch piece surface, improve heavy punch piece and parent metal liquid bond strength, parent metal liquid by The defects of mixing C, Si, Mn, Cr, Mo, Zr, V, Ta, the P of certain content in Fe, slag inclusion can be effectively reduced and in heavy punch piece Matrix surface forms the casting that secured, thickness is suitable, high rigidity, wear-resisting property are good and seeps composite layer, while the tune for passing through matrix composition Whole the heavy punch piece made has excellent wear-resisting property and good corrosion resistance and high rigidity with cooperation, entirely prepares Process defect is few, and presentation quality is high, and durability is good.
Detailed description of the invention
Fig. 1 is flow chart of the method for the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Embodiment one:
Referring to Fig. 1, in the embodiment of the present invention: a kind of weight piece preparation method of high-hardness corrosion-resistant, including following step It is rapid:
Step 1: preparing parent metal liquid: the raw material including following weight percent composition: C:8-12%, Si:5-8%, Mn:0.5-1.0%, Cr:6-8%, Mo:0.8-1.0%, Zr:2-4%, V:1-2%, Ta:0.5-0.8%, P :≤1.0%, it is remaining Amount is Fe；Above-mentioned matrix material is placed in melting in electric induction furnace, it is melting down after adjusting component obtain matrix gold by skimming, deoxidation Belong to liquid, smelting temperature is 1580-1620 DEG C；The matrix parent metal liquid by mixing C, Si, the Mn of certain content in Fe, Cr, Mo, Zr, V, Ta, P, so that playing certain antisepsis for metal surface.
Step 2: preparation grinding bottom material: the raw material including following weight percent composition: diadust 15-30% is stood Square boron nitride 8-15%, modified phenolic thermosetting resin 3-5%, titanate esters 6-10%, carborundum grain 8-15% are modified oxidized Aluminium 15-20%, silicon powder 5-8%, quartz sand 6-8%；Above-mentioned grinding raw material is placed in ball milling 30-40min in ball mill, revolving speed 80-120r/s obtains grinding powder；Wherein, the preparation process of cubic boron nitride are as follows: by weight percentage by six side of 85-90% Boron nitride and 10-15% magnesium base alloy are uniformly mixed, and are then 1980-2000 DEG C in temperature, pressure is 4.2 × 106The item of KPa The cubic boron nitride converted under part；The grinding powder is with diadust, cubic boron nitride, carborundum grain inert material For aggregate, and cooperate the appropriate silicon powder of addition and quartz sand, so that grinding bottom material improves original when mixing with subsequent coated slurry The bonding hardness of material.
Step 3: preparation coating slurry: the raw material including following weight percent composition: 300 mesh ferrochrome powder 20-40%, 300 mesh sepiolite powder 15-20%, nano zirconium diboride 5-8%, silane coupling agent KH-560 5-8%, borax 5-8%, dioxygen Water 6-10%, silicone acrylic emulsion 2-3%, zirconium tetrafluoride 3-5%, surplus are water；First hydrogen peroxide, the epoxychloropropane in raw material are added Enter and stir 1-2h in 55-65 DEG C of water, is then added under silane coupling agent KH-560 similarity condition and stirs 0.5-1h, obtain component A；Again Remaining raw material is placed in S2 in the ball mill for containing grinding powder after mixing in 100-120 DEG C of processing 10-20min, grinding is equal It is even that B component, ball milling after finally mixing component A with B component obtain coating slurry；The coating slurry utilizes borax, epoxy Chloropropane is crosslinked, and silane coupler modified rear and ferrochrome powder, sepiolite powder, nano zirconium diboride powder and grinding bottom are passed through Expect compound obtained coating slurry, can effectively promote the adhesiveness to cast(ing) surface and promote parent metal liquid and cast To the infiltration of cast(ing) surface, permeance property during making, the bond strength of cast(ing) surface and parent metal liquid is improved, and can be effective The defects of reducing slag inclusion.
Step 4: first cleaning the heavy punch piece surface after casting and forming, the coating slurry in step 3 is uniformly applied several times It is overlying on heavy punch piece surface, coating thickness 6-10mm, then in 500-550 DEG C of processing 1-2h；
Step 5: casting step 1 in parent metal liquid, parent metal liquid temperature control 1550-1600 DEG C it Between, it pours and is slowly cooled to room temperature, up to the heavy punch piece of high-hardness corrosion-resistant after conventional postprocessing working procedures.
In order to further preferably illustrate foregoing invention, following examples are also provided:
Embodiment two:
A kind of weight piece preparation method of high-hardness corrosion-resistant, comprising the following steps:
Step 1: preparing parent metal liquid: the raw material including following weight percent composition: C:10%, Si:7%, Mn: 0.8%, Cr:7%, Mo:1.0%, Zr:3%, V:2%, Ta:0.7%, P:0.6%, surplus Fe；Above-mentioned matrix material is set The melting in electric induction furnace, it is melting down after adjusting component obtain parent metal liquid, smelting temperature 1580- by skimming, deoxidation 1620℃；The matrix parent metal liquid by mixing C, Si, Mn, Cr, Mo, Zr, V, Ta, the P of certain content in Fe so that Certain antisepsis is played for metal surface.
Step 2: preparation grinding bottom material: the raw material including following weight percent composition: diadust 30%, cube Boron nitride 12%, modified phenolic thermosetting resin 4%, titanate esters 10%, carborundum grain 12%, modified aluminas 18%, silicon Micro mist 7%, quartz sand 7%；Above-mentioned grinding raw material is placed in ball milling 30-40min in ball mill, revolving speed 80-120r/s is ground Milling material；Wherein, the preparation process of cubic boron nitride are as follows: by weight percentage by 85-90% hexagonal boron nitride and 10-15% magnesium Based alloy is uniformly mixed, and is then 1980-2000 DEG C in temperature, pressure is 4.2 × 106What conversion obtained under conditions of KPa is vertical Square boron nitride；The grinding powder cooperates and adds using diadust, cubic boron nitride, carborundum grain inert material as aggregate Add appropriate silicon powder and quartz sand, so that grinding bottom material improves the bonding hardness of raw material when mixing with subsequent coated slurry.
Step 3: preparation coating slurry: the raw material including following weight percent composition: 300 mesh ferrochrome powder 30%, 300 Mesh sepiolite powder 20%, nano zirconium diboride 7%, silane coupling agent KH-560 8%, borax 6%, hydrogen peroxide 9%, the third cream of silicon Liquid 3%, zirconium tetrafluoride 4%, surplus are water；First hydrogen peroxide, the epoxychloropropane in raw material are added in 55-65 DEG C of water and stir 1- Then 2h is added under silane coupling agent KH-560 similarity condition and stirs 0.5-1h, obtains component A；Remaining raw material is placed in S2 again It contains in 100-120 DEG C of processing 10-20min after being mixed in the ball mill of grinding powder, grinding is uniform to obtain B component, finally by A group Divide ball milling after mixing with B component, obtains coating slurry；The coating slurry is crosslinked using borax, epoxychloropropane, is passed through Silane coupler modified rear and ferrochrome powder, sepiolite powder, nano zirconium diboride powder and the grinding compound obtained coating slurry of bottom material, The adhesiveness to cast(ing) surface can effectively be promoted and promote parent metal liquid in casting process to cast(ing) surface Infiltration, permeance property, the defects of improving the bond strength of cast(ing) surface and parent metal liquid, and slag inclusion can be effectively reduced.
Step 4: first cleaning the heavy punch piece surface after casting and forming, the coating slurry in step 3 is uniformly applied several times It is overlying on heavy punch piece surface, coating thickness 6-10mm, then in 500-550 DEG C of processing 1-2h；
Step 5: casting step 1 in parent metal liquid, parent metal liquid temperature control 1550-1600 DEG C it Between, it pours and is slowly cooled to room temperature, up to the heavy punch piece of high-hardness corrosion-resistant after conventional postprocessing working procedures.
In the above-described embodiments, ferrochrome powder chemical component is as follows: C:0.06%, Cr:65.0%, Si:1.5%, P: 0.04%, S:0.03%, surplus Fe.
By hardness test, 99.9HRC, impact flexibility 300J/cm are reached by the weight sheet hardness that the above method is worth2。
In summary: a kind of weight piece preparation method of high-hardness corrosion-resistant provided by the invention utilizes borax, epoxy chlorine Propane is crosslinked, and silane coupler modified rear and ferrochrome powder, sepiolite powder, nano zirconium diboride powder and grinding bottom are passed through Expect compound obtained coating slurry, wherein grinding bottom material with diadust, cubic boron nitride, carborundum grain inert material is Aggregate, and cooperate the appropriate silicon powder of addition and quartz sand, so that grinding bottom material is significantly mentioned with subsequent coated slurry compound tense The bonding hardness of high raw material, the adhesiveness and promotion parent metal liquid that can effectively promote the heavy punch piece after casting mold exist Infiltration, permeance property in casting process to heavy punch piece surface improve the bond strength of heavy punch piece and parent metal liquid, matrix gold Belong to the defects of liquid in Fe by mixing C, Si, Mn, Cr, Mo, Zr, V, Ta, the P of certain content, slag inclusion can be effectively reduced and The casting that secured, thickness is suitable, high rigidity, wear-resisting property are good can be formed in heavy punch piece matrix surface and seep composite layer, while passing through base The adjustment and cooperation of body ingredient, the heavy punch piece made have excellent wear-resisting property and good corrosion resistance and height hard Degree, whole preparation process defect is few, and presentation quality is high, and durability is good.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto, Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.

Claims (6)

1. a kind of weight piece preparation method of high-hardness corrosion-resistant, which comprises the following steps:
S1: parent metal liquid is prepared: the raw material including following weight percent composition: C:8-12%, Si:5-8%, Mn:0.5- 1.0%, Cr:6-8%, Mo:0.8-1.0%, Zr:2-4%, V:1-2%, Ta:0.5-0.8%, P :≤1.0%, surplus Fe； Above-mentioned matrix material is placed in melting in electric induction furnace, it is melting down after adjusting component obtain parent metal liquid, melt by skimming, deoxidation Refining temperature is 1580-1620 DEG C；
S2: preparation grinding bottom material: the raw material including following weight percent composition: diadust 15-30%, cubic boron nitride 8-15%, modified phenolic thermosetting resin 3-5%, titanate esters 6-10%, carborundum grain 8-15%, modified aluminas 15- 20%, silicon powder 5-8%, quartz sand 6-8%；Above-mentioned grinding raw material is placed in ball milling 30-40min in ball mill, revolving speed 80- 120r/s obtains grinding powder；
S3: preparation coating slurry: the raw material including following weight percent composition: 300 mesh ferrochrome powder 20-40%, 300 mesh Hai Pao Mountain flour 15-20%, nano zirconium diboride 5-8%, silane coupling agent KH-560 5-8%, borax 5-8%, hydrogen peroxide 6-10%, Silicone acrylic emulsion 2-3%, zirconium tetrafluoride 3-5%, surplus are water；Hydrogen peroxide, the epoxychloropropane in raw material are first added 55-65 DEG C 1-2h is stirred in water, is then added under silane coupling agent KH-560 similarity condition and is stirred 0.5-1h, obtains component A；Again by remaining original Material is placed in S2 in the ball mill for containing grinding powder mix after in 100-120 DEG C of processing 10-20min, grind and uniform obtain B group Point, ball milling after finally mixing component A with B component obtains coating slurry；
S4: the heavy punch piece surface after casting and forming is first cleaned, the coating slurry in S3 is evenly applied to heavy punch piece table several times Face, coating thickness 6-10mm, then in 500-550 DEG C of processing 1-2h；
S5: the temperature of the parent metal liquid in casting S1, parent metal liquid controls between 1550-1600 DEG C, pours slowly It is cooled to room temperature, up to the heavy punch piece of high-hardness corrosion-resistant after conventional postprocessing working procedures.
2. a kind of weight piece preparation method of high-hardness corrosion-resistant as described in claim 1, which is characterized in that matrix is former in S1 Material includes: C:10%, Si:7%, Mn:0.8%, Cr:7%, Mo:1.0%, Zr:3%, V:2%, Ta:0.7%, P:0.6%, Surplus is Fe.
3. a kind of weight piece preparation method of high-hardness corrosion-resistant as described in claim 1, which is characterized in that ground in S2 former Material includes: diadust 30%, cubic boron nitride 12%, modified phenolic thermosetting resin 4%, titanate esters 10%, silicon carbide Crystal grain 12%, modified aluminas 18%, silicon powder 7%, quartz sand 7%.
4. a kind of weight piece preparation method of high-hardness corrosion-resistant as described in claim 1, which is characterized in that cube nitrogen in S2 Change the preparation process of boron are as follows: be by weight percentage uniformly mixed 85-90% hexagonal boron nitride and 10-15% magnesium base alloy, so It is afterwards 1980-2000 DEG C in temperature, pressure is 4.2 × 106The cubic boron nitride converted under conditions of KPa.
5. a kind of weight piece preparation method of high-hardness corrosion-resistant as described in claim 1, which is characterized in that coating materials in S3 Expect that raw material includes: 300 mesh ferrochrome powder 30%, 300 mesh sepiolite powders 20%, nano zirconium diboride 7%, silane coupling agent KH-560 8%, borax 6%, hydrogen peroxide 9%, silicone acrylic emulsion 3%, zirconium tetrafluoride 4%, surplus is water.
6. a kind of weight piece preparation method of high-hardness corrosion-resistant as claimed in claim 5, which is characterized in that ferrochrome dusting Ingredient is as follows: C:0.06%, Cr:65.0%, Si:1.5%, P:0.04%, S:0.03%, surplus Fe.
CN201910782859.5A 2019-08-23 2019-08-23 A kind of weight piece preparation method of high-hardness corrosion-resistant Pending CN110340332A (en)

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CN106048457A (en) * 2016-05-23 2016-10-26 安徽鑫宏机械有限公司 High-hardness corrosion-resistant abrasion-resistant crusher hammer head for casting infiltration compound ore and production method of crusher hammer head
CN107497991A (en) * 2017-08-21 2017-12-22 安徽省含山县兴建铸造厂 A kind of heavy punch piece coating for dispellable mould casting

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104152110A (en) * 2014-07-31 2014-11-19 宁国市鑫煌矿冶配件制造有限公司 Wear-resistant high-hardness anticorrosive grinding body
CN106041028A (en) * 2016-05-23 2016-10-26 安徽鑫宏机械有限公司 Crusher abrasion-resistant hammer head for magnesium aluminum silicate modified casting infiltration compound ore and production method of crusher abrasion-resistant hammer head
CN106048457A (en) * 2016-05-23 2016-10-26 安徽鑫宏机械有限公司 High-hardness corrosion-resistant abrasion-resistant crusher hammer head for casting infiltration compound ore and production method of crusher hammer head
CN107497991A (en) * 2017-08-21 2017-12-22 安徽省含山县兴建铸造厂 A kind of heavy punch piece coating for dispellable mould casting

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Application publication date: 20191018