CN109482813A - WCp/EPS evaporative pattern apperance and the preparation of WCp/Fe composite material - Google Patents
WCp/EPS evaporative pattern apperance and the preparation of WCp/Fe composite material Download PDFInfo
- Publication number
- CN109482813A CN109482813A CN201811567823.7A CN201811567823A CN109482813A CN 109482813 A CN109482813 A CN 109482813A CN 201811567823 A CN201811567823 A CN 201811567823A CN 109482813 A CN109482813 A CN 109482813A
- Authority
- CN
- China
- Prior art keywords
- wcp
- apperance
- eps
- particle
- preparation
- 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.)
- Granted
Links
- 239000002131 composite material Substances 0.000 title claims abstract description 64
- 238000002360 preparation method Methods 0.000 title claims abstract description 48
- 239000002245 particle Substances 0.000 claims abstract description 76
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 43
- 239000000843 powder Substances 0.000 claims abstract description 42
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 41
- 238000010114 lost-foam casting Methods 0.000 claims abstract description 38
- 239000011324 bead Substances 0.000 claims abstract description 29
- 239000000853 adhesive Substances 0.000 claims abstract description 22
- 230000001070 adhesive effect Effects 0.000 claims abstract description 22
- 238000002156 mixing Methods 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 94
- 238000005266 casting Methods 0.000 claims description 61
- 239000011248 coating agent Substances 0.000 claims description 34
- 238000000576 coating method Methods 0.000 claims description 34
- 229910052742 iron Inorganic materials 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 24
- 229910001018 Cast iron Inorganic materials 0.000 claims description 23
- 229910045601 alloy Inorganic materials 0.000 claims description 18
- 239000000956 alloy Substances 0.000 claims description 18
- 239000007788 liquid Substances 0.000 claims description 17
- 238000001035 drying Methods 0.000 claims description 16
- 239000011247 coating layer Substances 0.000 claims description 13
- 239000010410 layer Substances 0.000 claims description 12
- 239000004576 sand Substances 0.000 claims description 12
- 238000000465 moulding Methods 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 8
- 238000012360 testing method Methods 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 8
- 238000002791 soaking Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 6
- -1 EPS Bead Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 65
- 230000008569 process Effects 0.000 abstract description 15
- 229910052751 metal Inorganic materials 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 8
- 239000011159 matrix material Substances 0.000 abstract description 8
- 238000005275 alloying Methods 0.000 abstract description 4
- 239000008188 pellet Substances 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 abstract 1
- 239000004794 expanded polystyrene Substances 0.000 description 66
- 230000002708 enhancing effect Effects 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 10
- 230000006872 improvement Effects 0.000 description 8
- 239000007787 solid Substances 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 239000003973 paint Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008034 disappearance Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 4
- 239000003082 abrasive agent Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000004512 die casting Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000009716 squeeze casting Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000012779 reinforcing material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000009718 spray deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910001021 Ferroalloy Inorganic materials 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 229920006248 expandable polystyrene Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000010097 foam moulding Methods 0.000 description 1
- 239000004088 foaming agent Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000001192 hot extrusion Methods 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000010406 interfacial reaction Methods 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012452 mother liquor Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006327 polystyrene foam Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002345 surface coating layer Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
- B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/20—Measures not previously mentioned for influencing the grain structure or texture; Selection of compositions therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
The invention discloses a kind of WCp/EPS evaporative pattern apperance and WCp/Fe composite material lost foam casting forming technologies, belong to technical field of metal formation.For the WCp/EPS evaporative pattern apperance preparation method the following steps are included: weighing WC particle, rare earth powder, EPS bead, adhesive by volume parts, and be uniformly mixed, prepared by completion mixing；Preheated mold starts to fill when mold temperature reaches 100 DEG C of operating temperature；Mixing is inserted into mold, and logical hot steam using compressed air；Release hot steam after, the mold back side water spray cooled down, so that apperance temperature is comparatively fast cooled to 40 DEG C~50 DEG C, be down to softening temperature hereinafter, apperance setting after, depanning.Process provided by the invention, so that being firmly combined between alloying pellet and matrix, particle is uniformly dispersed, improves product comprehensive mechanical property, can make large-scale, complex-shaped WCp/Fe composite material parts by lost foam casting.
Description
Technical field
The invention belongs to technical field of metal formation, and in particular to a kind of WCp/EPS evaporative pattern apperance and WCp/Fe are compound
Material lost foam casting forming technology.
Background technique
WC is due to excellent physical and chemical properties, and WC particle is highly developed as the market of abrasive material, especially
WCp/Fe composite material is that hard phase WC is combined with iron matrix, therefore optimum high stress, height are worn, the operating condition of thump
Condition, and since WCp/Fe composite material is because of its cheap, excellent high temperature resistant, resistance to high-speed resistance performance and good
Mechanical property, and gradually it is widely used in actual industrial production.
Existing WCp/Fe composite material preparation process have powder metallurgic method, power forming process, spray deposition technique, without pressure
Method of impregnation and casting etc..
Powder metallurgic method is to mix matrix alloy powder in solid-state with reinforcement particle, whisker or platelet first, with
(including hot pressing, hot extrusion or hot rolling etc.) is handled through cold pressing, encapsulation, degasification and consolidation again afterwards.The process has
The features such as reinforcement additional amount is arbitrarily adjusted, and component ratio accurately controls, it is the product dense structure of preparation, refinement, uniform and interior
Portion's defect is few.But height is required to raw material, equipment cost is also expensive, and needs to carry out further plastic working to composite material.Cause
This, the complex technical process of particles reiforced metal-base composition is prepared using powder metallurgic method and it is necessary in sealing, vacuum
Or it is carried out under protective atmosphere, required equipment and high production cost, the component structural of preparation and size-constrained system.
Power forming process is to make the strong shock wave moment generated in the way of explosion, gas-powered rifle or electromagnetic force etc.
Make its forming for powder, due to producing impacting with high pressure to powder, the violent shearing between powder particle can be caused to become
The instant melting of shape and particle surface, so as to cause cohering for particle.In the shaping process, the energy master of shock wave
It is consumed in particle surface, and the variation of its internal temperature is less, the blank tissue after forming only changes locally.Power at
The advantages of shape method is the metastable state shape that particle can be made to retain powder, the disadvantage is that being easy during high pressure applies and discharges
It cracks, and material structure can be made to change.
Spray deposition technique is a kind of novel flash set technology, it is that enhancing is added in liquid metal atomization process
Particle deposits alloy powder and enhancing particle simultaneously on the collector.During this method prepares iron base composite material, metal
Liquid and enhancing particle contact time are short, therefore interfacial reaction is small, it is not easy to the casting flaw of macroscopic view occur.The composite material of preparation
Tissue is equiaxed grain structure, has good mechanical property.And with short production cycle, shaping speed is fast.But prepared by this method
Composite material also have disadvantage, such as enhancing particle cannot be uniformly distributed, and production equipment is expensive, lead to high production cost, and increase
Strong particle utilization rate is low.
Casting refers to by being introduced into enhancing particle toward metal bath and making to enhance even particulate dispersion in melt then
Cast form.It is divided into mechanical stirring, electromagnetic agitation, ultrasonic vibration treatment etc. according to the dispersing mode difference of use.According to metal
Mushy stage difference locating for melt is divided into liquid stirring, Semi-solid Stirring etc..Compared with other methods, tradition is can be used in casting
Casting Equipment and device, have many advantages, such as it is low in cost, be suitble to industrialized production, large-scale, complex parts can be manufactured, be mesh
The preceding major processes for preparing particle, whisker and short fiber reinforced metal-base composite materials.It include: casting die, Counter pressure casting
Method, squeeze casting method, semi-solid casting method etc..
Casting die refers under pressure by liquid or semi-liquid metal based composites or metal with certain speed
The hole of casting die chamber or reinforcing material precast body is filled, and is rapidly solidificated into type under pressure and prepares Metal Substrate
The technology method of composite material.Specific embodiment are as follows: first will include that the metal bath of reinforcing material pours into preheating
In mold, and Quick-pressing (pressure is about 70 ~ 100MPa), so that metal-base composites solution quick solidification；Material to be composite
Material ejects after being fully cured, that is, the metal-base composites blank or die casting of shape needed for obtaining and size.With other castings
Technology is compared, and the surface of die casting is more smooth, and dimensional uniformity is good, but poor air-tightness.In comparison, die casting equipment
It is high with the cost of mold, therefore the process is generally only applicable to batch micro operations.
Counter pressure casting is also known as counter-pressure casting, pressure difference casting, is a kind of casting for filling type and solidification and crystallization under pressure
The characteristics of making process, having low pressure casting and autoclave pressure casting concurrently.The process can be described as: install sealing additional outside casting mold
Cover, while compressed air is passed through into crucible and seal closure, and control the pressure in crucible and be higher than internal mask pressure；In crucible
Molten metal enters casting mold from type rising pouring under the action of pressure difference, through stalk, and is crystallized under pressure.Back-pressure casting
The method of making has the characteristics that fill that type is steady, cast structure is fine and close, casting dimension is stable and surface quality is good, but the process is to setting
Standby requirement is high, cost of investment is expensive.
Squeeze casting method, extrusion casint be enhancing particle is cohered by certain mode be made required for reinforcement it is pre-
Product puts reinforcement prefabricated component in a mold, then pours into the metal material of liquid in mold, then applies certain pressure
Power penetrates into solution among the gap of prefabricated component, and then natural cooling can obtain the composite material of required shape.Squeeze casting
Make that there is also certain deficiencies.(1) prefabricated component is not easy to prepare, especially complex-shaped prefabricated component.(2) pressure of extrusion casint
Not easy to control, pressure is too small, and liquid aluminium is not easy to squeeze, and the too big shape for being easily destroyed prefabricated component again of pressure is destroyed compound
The quality of material.(3) during liquid extrusion casting, WC particle is easy that reinforced phase is caused to be unevenly distributed.(4)
Prior art can't well solve the homogeneity question that WC particle is distributed in prefabricated component.
Semi-solid casting method is will to enhance particle to be added in the metal bath of semisolid, and make particle in base by stirring
It is uniformly distributed in body material, good interface cohesion is obtained with this；Then infused by moulding by casting or by semi-solid bonding material
Enter into mold die cast.Although semi-solid casting method simple process, enhance the interface between particle and parent metal melt
In conjunction with and the uniformity of distribution of particles etc. be but difficult to control, the enhancing particle fraction of addition also has the upper limit.
Lost foam casting composite surface material technique is to be coated in prepared alloy coating to use expandable polystyrene
On manufactured cast model, after brushing refractory material and drying, with dry sand vibration molding.When aluminium alloy fills type, Foam Pattern
High temperature alloy liquid decomposition gasification is met with organic binder in surface alloying coating layer etc., the effect of the gas of generation in negative pressure draft
Under overflowed from coating gap, under high-temperature liquid metal is capillary force, negative-pressure sucking, the iron liquid static pressure the effects of, to alloyed powder
Last gap is penetrated into, and alloy powder particle melting is decomposed and spread, and the casting that surface has property is finally formed in conjunction with mother liquor
Part.
Especially there is patent CN103394671A to disclose a kind of system of lost foam casting potassium steel abrasive-resistant composite surface material
Standby technique, prepares composite surface material, processing step using the method for lost foam casting are as follows: prepare water based paint, prepare water
The raw material of base coating is selected: SiC particle, ferrochrome powder, rare earth, EPS bead, CMC weigh SiC particle, chromium in parts by weight
Iron powder, rare earth, EPS bead, CMC；Water based paint obtained is coated in evaporative pattern apperance surface；By the disappearance after coating
Mould apperance is put into drying room baking and finally applies common lost foam cast iron coating after water based paint painting is hung up properly, and dries.Group case, dry sand
Vibration molding；Casting.The surface wear-resistant composites of technique preparation, surface composite layer thickness 3-4mm.But this technical solution
In, due to being in apperance surface coating paint, surface coating layer and molten metal occur metallurgical reaction, it is multiple to form surface technical matters
Condensation material layer, i.e. a part of part.However, since paint thickness is difficult to control accurately, leading to zero when apperance coats coating
The size of part can not accurately control, and therefore, very big difficulty be brought to batch production, moreover, what wearing layer thickness can not be done
Too thick, wearing layer thickness is typically only capable to 3-5mm.
Summary of the invention
The object of the present invention is to provide a kind of WCp/EPS evaporative pattern apperance preparation method and WCp/Fe composite material evaporative patterns
Cast moulding method, the method high production efficiency is at low cost, is firmly combined between alloying pellet and matrix, and particle is uniformly dispersed, shows
Work improves part comprehensive mechanical property, and the method can make large-scale, complex-shaped WCp/Fe composite material parts.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of WCp/EPS evaporative pattern apperance preparation method, includes the following steps,
1) WC particle, rare earth powder, EPS bead, adhesive, are weighed by volume parts, and by weighed WC particle, rare earth powder, EPS
Bead, adhesive are uniformly mixed, and complete mixing preparation；
2), mold is preheated to 100 DEG C of operating temperature；
3) mixing, is inserted into mold using compressed air, and leads to hot steam into mold, while carrying out pressure maintaining processing；
4), after pressure maintaining, hot steam is released, water spray is cooled down at the mold back side, and apperance temperature is made comparatively fast to be cooled to 40 DEG C
~50 DEG C, softening temperature is down to hereinafter, depanning after apperance setting, obtains WCp/EPS evaporative pattern apperance.
Technical solution of the present invention further improvement lies in that: rare earth powder in step 1) uses rare earth silicon.
Technical solution of the present invention further improvement lies in that: the volume parts of mixing in step 1) are as follows: 5-10 parts of WC particle,
1-2 parts of rare earth powder, 87-92 parts of EPS bead, 2-3 parts of adhesive.
Technical solution of the present invention further improvement lies in that: in step 1) the granularity of WC particle be 500-2000 mesh.
Technical solution of the present invention further improvement lies in that: in step 3) hot steam temperature be 120 DEG C, air pressure 0.15-
0.25MPa, the ventilation dwell time in mold are 0.5-10min.
Technical solution of the present invention further improvement lies in that: complicated apperance first divides multiple modular manufactures, then by each mould
Block assembles integral apperance, and whole apperance and running gate system are assembled into apperance group.
A kind of WCp/Fe composite material lost foam casting manufacturing process is disappeared using WCp/EPS prepared by any one of right 1-5
Lose mould apperance, specific steps are as follows:
1), WCp/EPS apperance surface applies cast iron lost foam casting coating；
2) the WCp/EPS apperance after coating, will be applied and be put into drying room baking, 50~55 DEG C of baking temperature, while drying room
Relative humidity is less than or equal to 30%；
3) case, is organized, with dry sand vibration molding；
4) it, is poured cast-iron alloy liquid in the case, 1380-1480 DEG C of pouring temperature, is poured heat preservation 2-10 hours, mould turnover is fallen
Sand obtains casting；
5), lost foam casting test block is heat-treated, 1050 DEG C -1100 DEG C of heating temperature, soaking time 1-3h.
Technical solution of the present invention further improvement lies in that: step 1) medium cast iron thickness of coating layer are as follows: 1.2-1.8mm.
Technical solution of the present invention further improvement lies in that: step 1) medium cast iron dope layer is ZT-1 iron casting coating.
Technical solution of the present invention further improvement lies in that: in step 4) casting use vacuum-assist pouring, vacuum degree 0.03-
0.06MPa, pressure maintaining 10-60 minutes.
By adopting the above-described technical solution, the technical effect that the present invention obtains has:
WCp/EPS evaporative pattern apperance preparation method provided by the invention and WCp/Fe composite material lost foam casting manufacturing process,
The method high production efficiency, it is at low cost, it is firmly combined between alloying pellet and matrix, particle is uniformly dispersed, significantly improves part
Comprehensive mechanical property, the method can make large-scale, complex-shaped WCp/Fe composite material parts.
Rare earth element has larger solid solubility in silicon, and the content of rare earth of rare earth silicon is larger, and has to product good solid
Molten reinforcing, precipitation enhancement can effectively improve alloy structure and microstructure, improve Alloy At Room Temperature and high-temperature mechanics
Can, it enhance alloy corrosion resistance and heat resistance etc..Meanwhile rare earth element has good ageing strengthening to act on, and can be precipitated very steady
Fixed disperse phase particle, so as to increase substantially elevated temperature strength and creep resistance.After rare earth silicon is added, the tensile strength of alloy
It is significantly improved with elongation, and increases with rare earth silicon mass fraction, in first increasing the trend reduced afterwards.It is siliceous in rare earth
When amount score is 1.5% or so, alloy structure thinning effect is best, and tensile strength reaches maximum value.
The present invention mainly uses the raw materials such as WC particle, rare earth powder, additive, EPS bead, and WC particle source is wide.Hard phase
WC particle is evenly distributed in iron matrix, plays the role of dispersion-strengtherning, while WC particle has been shared external as hard phase
Load reduces the abrasive action to iron matrix.EPS bead have certain compression strength, guarantee WC particle be mixed into iron liquid it
It is preceding that defeated and dispersed reunion does not occur, while there is good volatility again, guaranteeing being capable of Quick-gasifying disappearance after acting on high temperature iron liquid.
WC particle, rare earth powder, EPS bead, adhesive volume ratio make the WC in preforming apperance obtain EPS bead
Good support, WC particle can be uniformly distributed in the space based on EPS bead, segregation do not occur.
It is filled in the preparation process of evaporative pattern apperance using compressed air, can guarantee that mixing material uniformly exists
It is filled in mold；Pressure maintaining processing can guarantee that bead further expands in a mold, improve the consistency of evaporative pattern apperance and complete
Whole property.Pneumatic parameter is mutually matched with the dwell time, guarantees that evaporative pattern apperance conforms to quality requirements.
Complicated apperance can divide multiple modular manufactures, then form whole apperance by assembling, reduce the requirement to mold, simplify
The manufacturing process of complicated apperance, expands the scope of application of the invention.
Evaporative pattern apperance preparation method provided by the invention and composite material lost foam casting manufacturing process are as a set of complete
Whole technique prepares the WCp/EPS evaporative pattern apperance containing enhancing particle first, then prepares WCp/ using the method for lost foam casting
Fe composite material, this technique can not only prepare integral composite part, can also prepare abrasive-resistant composite surface material part.Production
When surface wear-resistant composites, only the disappearance apperance containing enhancing particle of preparation need to be needed to carry out according to shape and size
Cutting, then, is bonded in EPS apperance surface, after casting, abrasive-resistant composite surface material, and accurate size can be obtained herein, at
Product rate is high.
The present invention obtains the wearing layer thickness equal with evaporative pattern mold thickness by lost foam casting negative pressure, compares apperance
The technique of surface coating paint can greatly increase wearing layer thickness.
The present invention adapts to the manufacture of the particle reinforced iron matrix composites parts product of complicated shape, adapts to thin-walled or thick big
Iron base composite material part production, improve the accurate size of iron base composite material product.Strong operability of the present invention, it is raw
Produce at low cost, high production efficiency, it is easy to accomplish industrialized production is conducive to energy-saving.
WCp/EPS evaporative pattern apperance preparation method provided by the invention and matched coherent WCp/Fe composite material disappear
Lost pattern casting manufacturing process, strong operability, production cost is low, high production efficiency, it is easy to accomplish industrialized production especially mentions
The mechanical property of high target part extends the service life of target part, energy-saving, meets the strategy of national sustainable development
State basic policy.
Detailed description of the invention
Fig. 1 is a kind of method flow diagram of WCp/EPS evaporative pattern apperance preparation method provided by the invention；
Fig. 2 is a kind of method flow diagram of WCp/Fe composite material lost foam casting manufacturing process provided by the invention.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described in further details the present invention.
The invention discloses a kind of WCp/EPS evaporative pattern apperance preparation method and WCp/Fe composite material lost foam casting at
Shape method, this method are used to prepare evaporative pattern apperance and iron base composite material casting.
As shown in connection with fig. 1, the method flow diagram of a kind of WCp/EPS evaporative pattern apperance preparation method provided by the invention, this
Invention is a kind of technology of novel evaporative pattern apperance preparation, and preparation method mainly uses WC particle, EPS bead and dilute
The auxiliary materials such as native powder, adhesive；WC particle have excellent physical and chemical properties, due to WC particle as abrasive material market very
Maturation, so that WC powder kind is more, WC particle enhancing cast iron composite material has good application prospect.Therefore, by abrasive material work
The WC particle that industry provides is added in ferroalloy (casting), the WC particle of preparation enhancing iron base composite material have it is at low cost,
The advantages that being suitble to industrialized production.It the described method comprises the following steps:
1) WC particle, rare earth powder, EPS bead, adhesive, are weighed by volume parts, and by weighed WC particle, rare earth powder, EPS
Bead, adhesive are uniformly mixed, and complete mixing preparation.
Wherein, WC particle, EPS bead are major ingredient, and rare earth powder, adhesive are auxiliary material.In embodiments of the present invention, described mixed
The volume parts of material are as follows: 5-10 parts of WC particle, 1-2 parts of rare earth powder, 87-92 parts of EPS bead, 2-3 parts of adhesive, the grain of WC particle
Degree is 500-2000 mesh.
In embodiment provided by the invention, firstly, adhesive is configured to melt, then, solution is sprayed on EPS bead
Surface, then after WC hard alloy particle and EPS bead are stirred evenly, then be sent into EPS bead after mixing with compressed air
Mold.
Specifically, the EPS in the embodiment of the present invention refers to polystyrene foam, (Expanded Polystyrene is referred to as
It EPS), is a kind of light polymer.It is foaming agent to be added using polystyrene resin, while heating is softened,
Gas is generated, a kind of foamed plastics of rigid closed cell structure is formed.
WC particle in the embodiment of the present invention carries out ultrasonic surface cleaning before prepared by mixing.In the embodiment of the present invention
In the local composite material in the frayed face of Wet Parts of slurry pump of WC particle preparation, it is uniformly compound to realize complex region substantially,
The erosion-wear-resisting performance of the composite material of acquisition improves nearly 3 times than rich chromium cast iron.It is obtained and is carbonized using negative pressure of vacuum technique
Tungsten particle enhances iron base composite material, analyzes composite layer heterogeneous microstructure, and simulates actual condition and investigate the anti-of composite layer
Slurry Erosive Properties, obtained composite material erosion wear resistance are 3 ~ 4 times of rich chromium cast iron.WC particle is added to high chromium casting
In iron, some hardening constituents, such as Fe can be formed6W6C、C0.055Fe1.943、W2C、Fe7W6Deng newborn hard phase, these new reinforcings
The opposite wear-resisting property for improving rich chromium cast iron plays obvious action.
Rare earth powder in the embodiment of the present invention uses rare earth silicon.
2), preheated mold starts to fill when mold temperature reaches 100 DEG C of operating temperature.
3) mixing, is inserted into mold, and logical hot steam using compressed air, while carrying out pressure maintaining processing.
Specifically, mixing material is inserted into mold using compressed air, and logical steam, 120 DEG C of vapor (steam) temperature；Pressure 0.15-
0.25MPa；Dwell time, dwell time 0.5-10min are determined depending on apperance average thickness.In the WCp/ for preparing thickness 3-7mm
EPS evaporative pattern apperance, steam-heated dwell time are 3-5min, steam pressure 0.2MPa；In preparation apperance average thickness 8-
The apperance of 12mm, steam pressure 0.25MPa, heating time 5-10min.
It is filled in the preparation process of evaporative pattern using compressed air, pressure maintaining processing can guarantee bead in a mold
Further expansion improves the consistency and integrality of evaporative pattern apperance.Pneumatic parameter is mutually matched with the dwell time, guarantees to disappear
Mould apperance conforms to quality requirements.
4), after pressure maintaining, hot steam is released, water spray is cooled down at the mold back side, is cooled to apperance temperature comparatively fast
40 DEG C~50 DEG C, softening temperature is down to hereinafter, depanning after apperance setting, obtains WCp/EPS evaporative pattern apperance.
Complicated apperance first divides multiple modular manufactures, then by the integral apperance of each module assembled, whole apperance and casting
System assembles are at apperance group.Specifically, tending not to integrated foam molding to complicated apperance, piecemeal is needed to manufacture, then by each mould
Block assembles integral apperance.In addition, apperance and running gate system are assembled into apperance group.So operation can reduce the requirement to mold,
The manufacturing process for simplifying complicated apperance expands the scope of application of the invention.
Further, a kind of WCp/Fe composite material lost foam casting manufacturing process provided by the invention is formerly prepared
Continue on the basis of WCp/EPS evaporative pattern apperance；A kind of WCp/Fe composite material disappearance provided by the invention as shown in connection with fig. 2
The method flow diagram of die cast manufacturing process, steps are as follows for specific method:
1), WCp/EPS apperance surface applies cast iron lost foam casting coating.
Specifically, iron casting coating layer uses ZT-1 iron casting coating mature on the market in embodiment provided by the invention,
And iron casting coating layer is with a thickness of 1.2-1.8mm.
2) the WCp/EPS apperance after coating, will be applied and be put into drying room baking, 50~55 DEG C of baking temperature, dried simultaneously
The relative humidity of room is less than or equal to 30%.
3) case, is organized, with dry sand vibration molding.
4) it, is poured cast-iron alloy liquid under negative pressure, vacuum degree 0.03-0.06MPa, is poured by 1380-1480 DEG C of pouring temperature
Note finishes heat preservation 2-10 hours, and mould turnover, knockout obtain casting.
Specific casting process uses vacuum-assist pouring, vacuum degree 0.03-0.06MPa, and pressure maintaining 10-60 minutes.With the casting of high chromium
For iron, 1450-1470 DEG C of pouring temperature, vacuum degree 0.03MPa, pressure maintaining 15 minutes, it is poured heat preservation 3 hours, mould turnover is fallen
Sand obtains test block.
5), lost foam casting test block is heat-treated, 1050 DEG C -1100 DEG C of heating temperature, soaking time 1-3h.
In conjunction with above-mentioned, a kind of WCp/EPS evaporative pattern apperance preparation method provided by the invention and a kind of WCp/Fe composite wood
Expect that lost foam casting manufacturing process, integrated artistic include WCp/EPS composite material apperance preparation process flow, apperance coating applies
Extension, drying, lost foam casting WCp/Fe composite technology process, pouring technology, heat treatment process etc..System provided by the invention
Make the method and process of surface wear-resistant composites, need to first prepare the apperance containing enhancing particle, it can also be according to shape and size need
It is cut, then, is bonded in EPS apperance surface, after casting, abrasive-resistant composite surface material can be obtained, and meet material
Target shape and size it is exactly accurate.
Embodiment one
A kind of WCp/EPS evaporative pattern apperance preparation process, comprises the technical steps that:
1) 5 parts of WC particle, 1 part of rare earth powder, 92 parts of EPS bead, 2 parts of adhesive, are weighed by volume parts, and by weighed WC
Grain, rare earth powder, EPS bead, adhesive are uniformly mixed, and complete mixing preparation.Wherein, the granularity of WC particle is 500 mesh, described dilute
Native powder is rare earth silicon.
2), preheated mold starts to fill when mold temperature reaches 100 DEG C of operating temperature.
3) mixing material, is inserted into mold using compressed air, logical steam, 120 DEG C of vapor (steam) temperature；Pressure 0.15MPa；Depending on
Apperance average thickness determines dwell time, dwell time 1min.
4), after pressure maintaining, hot steam is released, water spray is cooled down at the mold back side, is cooled to apperance temperature comparatively fast
50 DEG C, be down to softening temperature hereinafter, apperance setting after, depanning.
A kind of WCp/Fe composite material lost foam casting forming is formerly carried out on the basis of preparation WCp/EPS evaporative pattern apperance
Method, steps are as follows for specific method:
1), WCp/EPS apperance surface applies cast iron lost foam casting coating.
Iron casting coating layer is using ZT-1 iron casting coating mature on the market, and iron casting coating layer is with a thickness of 1.2mm.
2) the WCp/EPS apperance after coating, will be applied and be put into drying room baking, 50 DEG C of baking temperature, while drying room
Relative humidity is 30%.
Specifically, total to apply of coating brushes one times, will be dried after being painted with.
3) case, is organized, with dry sand vibration molding.
4), using vacuum-assist pouring cast-iron alloy liquid, vacuum degree 0.03MPa, pressure maintaining 60 minutes, 1480 DEG C of pouring temperature,
It is poured heat preservation 10 hours, mould turnover, knockout obtain casting.
5), lost foam casting test block is heat-treated, 1050 DEG C of heating temperature, soaking time 3h.
Embodiment two
A kind of WCp/EPS evaporative pattern apperance preparation process, comprises the technical steps that:
1) 10 parts of WC particle, 2 parts of rare earth powder, 85 parts of EPS bead, 3 parts of adhesive, are weighed by volume parts, and by weighed WC
Particle, rare earth powder, EPS bead, adhesive are uniformly mixed, and complete mixing preparation.Wherein, the granularity of WC particle is 2000 mesh, institute
Stating rare earth powder is rare earth silicon.
2), preheated mold starts to fill when mold temperature reaches 100 DEG C of operating temperature.
3) mixing material, is inserted into mold using compressed air, logical steam, 120 DEG C of vapor (steam) temperature；Pressure 0.25MPa；Depending on
Apperance average thickness determines dwell time, dwell time 10min.
4), after pressure maintaining, hot steam is released, water spray is cooled down at the mold back side, is cooled to apperance temperature comparatively fast
40 DEG C, be down to softening temperature hereinafter, apperance setting after, depanning.
A kind of WCp/Fe composite material lost foam casting forming is formerly carried out on the basis of preparation WCp/EPS evaporative pattern apperance
Method, steps are as follows for specific method:
1), WCp/EPS apperance surface applies cast iron lost foam casting coating.
Iron casting coating layer is using ZT-1 iron casting coating mature on the market, and iron casting coating layer is with a thickness of 1.8mm.
2) the WCp/EPS apperance after coating, will be applied and be put into drying room baking, 55 DEG C of baking temperature, while drying room
Relative humidity 25%.
Specifically, coating is total will to be brushed twice, will be dried after being painted with every time.
3) case, is organized, with dry sand vibration molding.
4), using vacuum-assist pouring cast-iron alloy liquid, vacuum degree 0.06MPa, pressure maintaining 10 minutes, 1380 DEG C of pouring temperature,
It is poured heat preservation 2 hours, mould turnover, knockout obtain casting.
5), lost foam casting test block is heat-treated, 1100 DEG C of heating temperature, soaking time 1h.
Embodiment three
A kind of WCp/EPS evaporative pattern apperance preparation process, comprises the technical steps that:
1) 8 parts of WC particle, 1 part of rare earth powder, 89 parts of EPS bead, 2 parts of adhesive, are weighed by volume parts, and by weighed WC
Grain, rare earth powder, EPS bead, adhesive are uniformly mixed, and complete mixing preparation.Wherein, the granularity of WC particle is 1000 mesh, described
Rare earth powder is rare earth silicon.
2), preheated mold starts to fill when mold temperature reaches 100 DEG C of operating temperature.
3) mixing material, is inserted into mold using compressed air, logical steam, 120 DEG C of vapor (steam) temperature；Pressure 0.2MPa；Depending on
Apperance average thickness determines dwell time, dwell time 5min.
4), after pressure maintaining, hot steam is released, water spray is cooled down at the mold back side, is cooled to apperance temperature comparatively fast
45 DEG C, be down to softening temperature hereinafter, apperance setting after, depanning.
A kind of WCp/Fe composite material lost foam casting forming is formerly carried out on the basis of preparation WCp/EPS evaporative pattern apperance
Method, steps are as follows for specific method:
1), WCp/EPS apperance surface applies cast iron lost foam casting coating.
Iron casting coating layer is using ZT-1 iron casting coating mature on the market, and iron casting coating layer is with a thickness of 1.6mm.
2) the WCp/EPS apperance after coating, will be applied and be put into drying room baking, 53 DEG C of baking temperature, while drying room
Relative humidity 28%.
Specifically, coating is total will to be brushed twice, will be dried after being painted with every time.
3) case, is organized, with dry sand vibration molding.
4), using vacuum-assist pouring cast-iron alloy liquid, vacuum degree 0.05MPa, pressure maintaining 30 minutes, 1420 DEG C of pouring temperature,
It is poured heat preservation 6 hours, mould turnover, knockout obtain casting.
5), lost foam casting test block is heat-treated, 1080 DEG C of heating temperature, soaking time 2h.
Example IV (comparative example)
A kind of WCp/EPS evaporative pattern apperance preparation process, comprises the technical steps that:
1) 15 parts of WC particle, 3 parts of rare earth powder, 80 parts of EPS bead, 2 parts of adhesive, are weighed by volume parts, and by weighed WC
Particle, rare earth powder, EPS bead, adhesive are uniformly mixed, and complete mixing preparation.Wherein, the granularity of WC particle is 1000 mesh, institute
Stating rare earth powder is rare earth silicon.
2), preheated mold starts to fill when mold temperature reaches 100 DEG C of operating temperature.
3) mixing material, is inserted into mold using compressed air, logical steam, 125 DEG C of vapor (steam) temperature；Pressure 0.15MPa；Depending on
Apperance average thickness determines dwell time, dwell time 3min.
4), after pressure maintaining, hot steam is released, water spray is cooled down at the mold back side, is cooled to apperance temperature comparatively fast
40 DEG C, be down to softening temperature hereinafter, apperance setting after, depanning.
A kind of WCp/Fe composite material lost foam casting forming is formerly carried out on the basis of preparation WCp/EPS evaporative pattern apperance
Method, steps are as follows for specific method:
1), WCp/EPS apperance surface applies cast iron lost foam casting coating.
Iron casting coating layer is using ZT-1 iron casting coating mature on the market, and iron casting coating layer is with a thickness of 1.2mm.
2) the WCp/EPS apperance after coating, will be applied and be put into drying room baking, 50 DEG C of baking temperature, while drying room
Relative humidity is 30%.
Specifically, total to apply of coating brushes one times, will be dried after being painted with.
3) case, is organized, with dry sand vibration molding.
4), using vacuum-assist pouring cast-iron alloy liquid, vacuum degree 0.045MPa, pressure maintaining 15 minutes, 1400 DEG C of pouring temperature,
It is poured heat preservation 6 hours, mould turnover, knockout obtain casting.
5), lost foam casting test block is heat-treated, 900 DEG C of heating temperature, soaking time 2.5h.
Show the ruler that manufactured parts can be accurately controlled according to method provided by the present application in conjunction with the experiment of comparative example
Very little, wearing layer thickness can reach 3-20mm, and wearability performance improves 3 times or so, and wearing layer thickness and wearability are shown
It writes and improves.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of WCp/EPS evaporative pattern apperance preparation method, it is characterised in that: include the following steps,
1) WC particle, rare earth powder, EPS bead, adhesive, are weighed by volume parts, and by weighed WC particle, rare earth powder, EPS
Bead, adhesive are uniformly mixed, and complete mixing preparation；
2), mold is preheated to 100 DEG C of operating temperature；
3) mixing, is inserted into mold using compressed air, and leads to hot steam into mold, while carrying out pressure maintaining processing；
4), after pressure maintaining, hot steam is released, water spray is cooled down at the mold back side, and apperance temperature is made comparatively fast to be cooled to 40 DEG C
~50 DEG C, softening temperature is down to hereinafter, depanning after apperance setting, obtains WCp/EPS evaporative pattern apperance.
2. a kind of WCp/EPS evaporative pattern apperance preparation method according to claim 1, it is characterised in that: in step 1)
Rare earth powder uses rare earth silicon.
3. a kind of WCp/EPS evaporative pattern apperance preparation method according to claim 1, it is characterised in that: mixed in step 1)
The volume parts of material are as follows: 5-10 parts of WC particle, 1-2 parts of rare earth powder, 87-92 parts of EPS bead, 2-3 parts of adhesive.
4. a kind of WCp/EPS evaporative pattern apperance preparation method according to claim 3, it is characterised in that: WC in step 1)
The granularity of particle is 500-2000 mesh.
5. a kind of WCp/EPS evaporative pattern apperance preparation method according to claim 1, it is characterised in that: hot in step 3)
Vapor (steam) temperature is 120 DEG C, air pressure 0.15-0.25MPa, and the ventilation dwell time in mold is 0.5-10min.
6. a kind of WCp/EPS evaporative pattern apperance preparation method according to claim 1, it is characterised in that: complicated apperance
First divide multiple modular manufactures, then by the integral apperance of each module assembled, whole apperance and running gate system are then assembled into apperance
Group.
7. a kind of WCp/Fe composite material lost foam casting manufacturing process, it is characterised in that: using any one of right 1-5 preparation
WCp/EPS evaporative pattern apperance, specific steps are as follows:
1), WCp/EPS apperance surface applies cast iron lost foam casting coating；
2) the WCp/EPS apperance after coating, will be applied and be put into drying room baking, 50~55 DEG C of baking temperature, while drying room
Relative humidity is less than or equal to 30%；
3) case, is organized, with dry sand vibration molding；
4) it, is poured cast-iron alloy liquid in the case, 1380-1480 DEG C of pouring temperature, is poured heat preservation 2-10 hours, mould turnover is fallen
Sand obtains casting；
5), lost foam casting test block is heat-treated, 1050 DEG C -1100 DEG C of heating temperature, soaking time 1-3h.
8. a kind of WCp/Fe composite material lost foam casting manufacturing process according to claim 7, it is characterised in that: step
1) medium cast iron thickness of coating layer are as follows: 1.2-1.8mm.
9. a kind of WCp/Fe composite material lost foam casting manufacturing process according to claim 7, it is characterised in that: step
1) medium cast iron dope layer is ZT-1 iron casting coating.
10. special according to a kind of described in any item WCp/Fe composite material lost foam casting manufacturing process of claim 7~9
Sign is: it is poured in step 4) and uses vacuum-assist pouring, vacuum degree 0.03-0.06MPa, and pressure maintaining 10-60 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567823.7A CN109482813B (en) | 2018-12-21 | 2018-12-21 | WCp/EPS lost foam pattern and WCp/Fe composite material preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811567823.7A CN109482813B (en) | 2018-12-21 | 2018-12-21 | WCp/EPS lost foam pattern and WCp/Fe composite material preparation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109482813A true CN109482813A (en) | 2019-03-19 |
| CN109482813B CN109482813B (en) | 2020-12-01 |
Family
ID=65711242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811567823.7A Active CN109482813B (en) | 2018-12-21 | 2018-12-21 | WCp/EPS lost foam pattern and WCp/Fe composite material preparation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109482813B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909448A (en) * | 2019-03-28 | 2019-06-21 | 河北科技大学 | A kind of preparation method of dispellable mould casting bubbles model and the method for preparing metal-base composites with it |
| CN109926544A (en) * | 2019-04-24 | 2019-06-25 | 河北科技大学 | A kind of miscellaneous granules enhancing metal-base composites and its casting method |
| CN110000335A (en) * | 2019-05-13 | 2019-07-12 | 河北科技大学 | A kind of casting method of impeller |
| CN110055448A (en) * | 2019-04-24 | 2019-07-26 | 河北科技大学 | A kind of metal-base composites and preparation method thereof |
| CN110202091A (en) * | 2019-07-08 | 2019-09-06 | 河北科技大学 | A kind of tungsten carbide particle enhances the preparation method of whole iron base composite material |
| CN111992664A (en) * | 2020-08-29 | 2020-11-27 | 晋城市金工铸业有限公司 | Nodular cast iron surface chromium white wear-resistant casting process |
| CN114807663A (en) * | 2022-04-28 | 2022-07-29 | 河北科技大学 | Preparation method of iron-based composite volute cooperatively enhanced by aluminum oxide and chromium carbide |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288681A (en) * | 1999-03-31 | 2000-10-17 | Kubota Corp | Production of cast material provided with ceramic-metal composite layer |
| CN102489686A (en) * | 2011-12-28 | 2012-06-13 | 昆明理工大学 | Method for preparing ceramic particle enhanced steel-base composite material cast by evaporative pattern casting die |
| CN103394671A (en) * | 2013-08-01 | 2013-11-20 | 河北海钺耐磨材料科技有限公司 | Preparation technology for lost foam casting high manganese steel wear-resisting surface composite materials |
-
2018
- 2018-12-21 CN CN201811567823.7A patent/CN109482813B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288681A (en) * | 1999-03-31 | 2000-10-17 | Kubota Corp | Production of cast material provided with ceramic-metal composite layer |
| CN102489686A (en) * | 2011-12-28 | 2012-06-13 | 昆明理工大学 | Method for preparing ceramic particle enhanced steel-base composite material cast by evaporative pattern casting die |
| CN103394671A (en) * | 2013-08-01 | 2013-11-20 | 河北海钺耐磨材料科技有限公司 | Preparation technology for lost foam casting high manganese steel wear-resisting surface composite materials |
Non-Patent Citations (1)
| Title |
|---|
| 孙志敏，曹新胜，陈炜: "《铝及铝合金加工技术》", 31 December 2013, 冶金工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109909448A (en) * | 2019-03-28 | 2019-06-21 | 河北科技大学 | A kind of preparation method of dispellable mould casting bubbles model and the method for preparing metal-base composites with it |
| CN109926544A (en) * | 2019-04-24 | 2019-06-25 | 河北科技大学 | A kind of miscellaneous granules enhancing metal-base composites and its casting method |
| CN110055448A (en) * | 2019-04-24 | 2019-07-26 | 河北科技大学 | A kind of metal-base composites and preparation method thereof |
| CN110000335A (en) * | 2019-05-13 | 2019-07-12 | 河北科技大学 | A kind of casting method of impeller |
| CN110202091A (en) * | 2019-07-08 | 2019-09-06 | 河北科技大学 | A kind of tungsten carbide particle enhances the preparation method of whole iron base composite material |
| CN110202091B (en) * | 2019-07-08 | 2021-06-01 | 河北科技大学 | Preparation method of tungsten carbide particle reinforced integral iron-based composite material |
| CN111992664A (en) * | 2020-08-29 | 2020-11-27 | 晋城市金工铸业有限公司 | Nodular cast iron surface chromium white wear-resistant casting process |
| CN114807663A (en) * | 2022-04-28 | 2022-07-29 | 河北科技大学 | Preparation method of iron-based composite volute cooperatively enhanced by aluminum oxide and chromium carbide |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109482813B (en) | 2020-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109482813A (en) | WCp/EPS evaporative pattern apperance and the preparation of WCp/Fe composite material | |
| CN107937799B (en) | A kind of burr cylinder jacket of centrifugal casting and preparation method thereof | |
| CN109465387B (en) | SiCp/EPS lost foam and SiCp/Al casting forming process | |
| WO2017114068A1 (en) | Environmentally friendly method for preparing automobile engine blade | |
| WO2017114079A1 (en) | Method for preparing automobile supercharging turbine | |
| CN109909448B (en) | Preparation method of foam model and method for preparing metal matrix composite material | |
| WO2017114070A1 (en) | Environmentally friendly preparation method for automobile booster turbine | |
| CN102430743A (en) | Method for preparing surface layer composite material by cast-infiltration method | |
| CN103113123A (en) | Preparation method of SiCf/SiC ceramic matrix composite turbine blades | |
| WO2017114078A1 (en) | Method for preparing engine component | |
| WO2017114066A1 (en) | Environmentally friendly method for preparing automobile engine shell | |
| CN109465386B (en) | TiCp/EPS lost foam preparation and steel-based composite material process thereof | |
| CN102430704B (en) | Preparation method for lost foam casting paint | |
| CN104399865A (en) | Water-soluble graphite composited salt core material, graphite composited salt core and preparation method thereof | |
| CN110976758B (en) | Lost foam full mold casting process | |
| CN113182494A (en) | Preparation method of high-strength fiber formwork for single crystal blade | |
| CN106350695A (en) | Preparation method of elemental-copper-coated multiwalled carbon nanotube/aluminum-based composite semisolid-state blank | |
| CN103725909A (en) | Method for manufacturing aluminum alloy through powder liquid phase die forging | |
| CN107052243A (en) | A kind of cast iron lost foam casting process | |
| CN108788003A (en) | A kind of powdered mold release agents and preparation method thereof and application method | |
| CN109249019B (en) | Variable-temperature sintering process for 25% Cr high-chromium cast iron and product thereof | |
| CN114799063B (en) | Preparation method of titanium carbonitride and chromium carbide synergistically reinforced iron-based composite impeller | |
| CN106424743A (en) | Production method for high-strength and high-modulus additive manufacturing materials | |
| CN111719074A (en) | Preparation method for high-entropy alloy particle reinforced magnesium-based composite lost foam casting | |
| CN108326264A (en) | A kind of method that cold-box makes forming graphite chill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20190319 Assignee: Qian'an Litianmingsheng Trading Co.,Ltd. Assignor: HEBEI University OF SCIENCE AND TECHNOLOGY Contract record no.: X2024980008798 Denomination of invention: WCp/EPS lost foam pattern and preparation of WCp/Fe composite materials Granted publication date: 20201201 License type: Common License Record date: 20240702 |